From f76046548293bb703ab489201ff453006ac000c7 Mon Sep 17 00:00:00 2001
From: Sija <sija@sija.pl>
Date: Tue, 19 Oct 2021 09:45:33 +0000
Subject: [PATCH] =?UTF-8?q?Deploying=20to=20gh-pages=20from=20=20@=2048b15?=
 =?UTF-8?q?b9bf8751bfec56e48ad029542e7376f7ffe=20=F0=9F=9A=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Ameba.html                                    |   37 +-
 Ameba/AST.html                                |   39 +-
 Ameba/AST/Argument.html                       |   80 +-
 Ameba/AST/Assignment.html                     |  177 ++-
 Ameba/AST/BaseVisitor.html                    |   22 +-
 Ameba/AST/Branch.html                         |  100 +-
 Ameba/AST/Branchable.html                     |  106 +-
 Ameba/AST/CountingVisitor.html                |   29 +-
 Ameba/AST/FlowExpression.html                 |   98 +-
 Ameba/AST/FlowExpressionVisitor.html          |   42 +-
 Ameba/AST/InstanceVariable.html               |   77 +-
 Ameba/AST/NodeVisitor.html                    | 1314 +++++++++--------
 .../RedundantControlExpressionVisitor.html    |   33 +-
 Ameba/AST/Reference.html                      |   63 +-
 Ameba/AST/Scope.html                          |  234 ++-
 Ameba/AST/ScopeVisitor.html                   |   19 +-
 Ameba/AST/TopLevelNodesVisitor.html           |   33 +-
 Ameba/AST/Util.html                           |   92 +-
 Ameba/AST/Variable.html                       |  183 ++-
 Ameba/Config.html                             |  111 +-
 Ameba/Formatter.html                          |   23 +-
 Ameba/Formatter/BaseFormatter.html            |   53 +-
 Ameba/Formatter/DisabledFormatter.html        |   29 +-
 Ameba/Formatter/DotFormatter.html             |   49 +-
 Ameba/Formatter/ExplainFormatter.html         |   42 +-
 Ameba/Formatter/FlycheckFormatter.html        |   29 +-
 Ameba/Formatter/JSONFormatter.html            |   49 +-
 Ameba/Formatter/TODOFormatter.html            |   49 +-
 Ameba/Formatter/Util.html                     |   33 +-
 Ameba/GlobUtils.html                          |   23 +-
 Ameba/InlineComments.html                     |   41 +-
 Ameba/InlineComments/Action.html              |   21 +-
 Ameba/Issue.html                              |   79 +-
 Ameba/Issue/Status.html                       |   21 +-
 Ameba/Reportable.html                         |   47 +-
 Ameba/Rule.html                               |   12 +-
 Ameba/Rule/Base.html                          |   81 +-
 Ameba/Rule/Layout.html                        |   13 +-
 Ameba/Rule/Layout/LineLength.html             |   85 +-
 Ameba/Rule/Layout/TrailingBlankLines.html     |   71 +-
 Ameba/Rule/Layout/TrailingWhitespace.html     |   71 +-
 Ameba/Rule/Lint.html                          |   66 +-
 Ameba/Rule/Lint/AmbiguousAssignment.html      | 1208 +++++++++++++++
 Ameba/Rule/Lint/BadDirective.html             |   75 +-
 Ameba/Rule/Lint/ComparisonToBoolean.html      |   77 +-
 Ameba/Rule/Lint/DebuggerStatement.html        |   73 +-
 Ameba/Rule/Lint/DuplicatedRequire.html        |   73 +-
 Ameba/Rule/Lint/EmptyEnsure.html              |   79 +-
 Ameba/Rule/Lint/EmptyExpression.html          |  108 +-
 Ameba/Rule/Lint/EmptyLoop.html                |  114 +-
 Ameba/Rule/Lint/HashDuplicatedKey.html        |   79 +-
 Ameba/Rule/Lint/LiteralInCondition.html       |  118 +-
 Ameba/Rule/Lint/LiteralInInterpolation.html   |   98 +-
 Ameba/Rule/Lint/PercentArrays.html            |   95 +-
 Ameba/Rule/Lint/RandZero.html                 |   79 +-
 Ameba/Rule/Lint/RedundantStringCoercion.html  |  102 +-
 Ameba/Rule/Lint/RedundantWithIndex.html       |   79 +-
 Ameba/Rule/Lint/RedundantWithObject.html      |   79 +-
 Ameba/Rule/Lint/ShadowedArgument.html         |   85 +-
 Ameba/Rule/Lint/ShadowedException.html        |   79 +-
 Ameba/Rule/Lint/ShadowingOuterLocalVar.html   |   91 +-
 Ameba/Rule/Lint/SharedVarInFiber.html         |   93 +-
 Ameba/Rule/Lint/SpecFocus.html                |   87 +-
 Ameba/Rule/Lint/Syntax.html                   |   75 +-
 Ameba/Rule/Lint/UnneededDisableDirective.html |   77 +-
 Ameba/Rule/Lint/UnreachableCode.html          |  112 +-
 Ameba/Rule/Lint/UnusedArgument.html           |  119 +-
 Ameba/Rule/Lint/UselessAssign.html            |   85 +-
 Ameba/Rule/Lint/UselessConditionInWhen.html   |   79 +-
 Ameba/Rule/Metrics.html                       |    9 +-
 Ameba/Rule/Metrics/CyclomaticComplexity.html  |   79 +-
 Ameba/Rule/Performance.html                   |   25 +-
 Ameba/Rule/Performance/AnyAfterFilter.html    |   97 +-
 Ameba/Rule/Performance/AnyInsteadOfEmpty.html |   92 +-
 Ameba/Rule/Performance/Base.html              |   36 +-
 .../Performance/ChainedCallWithNoBang.html    |  103 +-
 Ameba/Rule/Performance/CompactAfterMap.html   |   95 +-
 .../Performance/FirstLastAfterFilter.html     |  103 +-
 Ameba/Rule/Performance/FlattenAfterMap.html   |   95 +-
 Ameba/Rule/Performance/MapInsteadOfBlock.html |   95 +-
 Ameba/Rule/Performance/SizeAfterFilter.html   |  103 +-
 Ameba/Rule/Style.html                         |   37 +-
 Ameba/Rule/Style/ConstantNames.html           |   79 +-
 Ameba/Rule/Style/IsAFilter.html               |   93 +-
 Ameba/Rule/Style/IsANil.html                  |   79 +-
 Ameba/Rule/Style/LargeNumbers.html            |   87 +-
 Ameba/Rule/Style/MethodNames.html             |   79 +-
 .../Rule/Style/NegatedConditionsInUnless.html |   81 +-
 Ameba/Rule/Style/PredicateName.html           |   79 +-
 Ameba/Rule/Style/RedundantBegin.html          |  132 +-
 Ameba/Rule/Style/RedundantNext.html           |  143 +-
 Ameba/Rule/Style/RedundantReturn.html         |  143 +-
 Ameba/Rule/Style/TypeNames.html               |  103 +-
 Ameba/Rule/Style/UnlessElse.html              |   83 +-
 Ameba/Rule/Style/VariableNames.html           |   91 +-
 Ameba/Rule/Style/VerboseBlock.html            |  135 +-
 Ameba/Rule/Style/WhileTrue.html               |   79 +-
 Ameba/Runner.html                             |   42 +-
 Ameba/Severity.html                           |   41 +-
 Ameba/SeverityYamlConverter.html              |   21 +-
 Ameba/Source.html                             |   77 +-
 Ameba/Tokenizer.html                          |   33 +-
 index.html                                    |  158 +-
 index.json                                    |    2 +-
 js/doc.js                                     |   10 +-
 search-index.js                               |    2 +-
 106 files changed, 5612 insertions(+), 4623 deletions(-)
 create mode 100644 Ameba/Rule/Lint/AmbiguousAssignment.html

diff --git a/Ameba.html b/Ameba.html
index 944dc22f..729a2d92 100644
--- a/Ameba.html
+++ b/Ameba.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -638,13 +643,9 @@
   </h2>
 
   <p>Ameba's entry module.</p>
-
 <p>To run the linter with default parameters:</p>
-
 <pre><code class="language-crystal"><span class="t">Ameba</span>.run</code></pre>
-
 <p>To configure and run it:</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.formatter <span class="o">=</span> formatter
 config.files <span class="o">=</span> file_paths
@@ -688,63 +689,63 @@ config.files <span class="o">=</span> file_paths
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba.cr#L23" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba.cr#L23" target="_blank">
         ameba.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/glob_utils.cr#L1" target="_blank">
         ameba/glob_utils.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L1" target="_blank">
         ameba/inline_comments.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L1" target="_blank">
         ameba/issue.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L1" target="_blank">
         ameba/reportable.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L1" target="_blank">
         ameba/runner.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L1" target="_blank">
         ameba/severity.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L1" target="_blank">
         ameba/source.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/tokenizer.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L3" target="_blank">
         ameba/tokenizer.cr
       </a>
     
@@ -789,7 +790,7 @@ config.files <span class="o">=</span> file_paths
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#run(config=Config.load)-instance-method" class="signature"><strong>#run</strong>(config = <span class="t">Config</span>.load)</a>
+        <a href="#run%28config%3DConfig.load%29-instance-method" class="signature"><strong>#run</strong>(config = <span class="t">Config</span>.load)</a>
         
           <div class="summary"><p>Initializes <code><a href="Ameba/Runner.html">Ameba::Runner</a></code> and runs it.</p></div>
         
@@ -824,16 +825,14 @@ config.files <span class="o">=</span> file_paths
         
         def <strong>run</strong>(config = <span class="t">Config</span>.load)
 
-        <a class="method-permalink" href="#run(config=Config.load)-instance-method">#</a>
+        <a class="method-permalink" href="#run%28config%3DConfig.load%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Initializes <code><a href="Ameba/Runner.html">Ameba::Runner</a></code> and runs it.
 Can be configured via <code>config</code> parameter.</p>
-
 <p>Examples:</p>
-
 <pre><code class="language-crystal"><span class="t">Ameba</span>.run
 <span class="t">Ameba</span>.run config</code></pre>
         </div>
@@ -841,7 +840,7 @@ Can be configured via <code>config</code> parameter.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba.cr#L37" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba.cr#L37" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST.html b/Ameba/AST.html
index a3309285..46892606 100644
--- a/Ameba/AST.html
+++ b/Ameba/AST.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -662,112 +667,112 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L1" target="_blank">
         ameba/ast/branch.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L3" target="_blank">
         ameba/ast/branchable.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L3" target="_blank">
         ameba/ast/flow_expression.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L3" target="_blank">
         ameba/ast/scope.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L1" target="_blank">
         ameba/ast/variabling/argument.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L4" target="_blank">
         ameba/ast/variabling/assignment.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L1" target="_blank">
         ameba/ast/variabling/ivariable.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/reference.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/reference.cr#L3" target="_blank">
         ameba/ast/variabling/reference.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L1" target="_blank">
         ameba/ast/variabling/variable.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/base_visitor.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/base_visitor.cr#L4" target="_blank">
         ameba/ast/visitors/base_visitor.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/counting_visitor.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/counting_visitor.cr#L1" target="_blank">
         ameba/ast/visitors/counting_visitor.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/flow_expression_visitor.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/flow_expression_visitor.cr#L4" target="_blank">
         ameba/ast/visitors/flow_expression_visitor.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L3" target="_blank">
         ameba/ast/visitors/node_visitor.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L1" target="_blank">
         ameba/ast/visitors/redundant_control_expression_visitor.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/scope_visitor.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/scope_visitor.cr#L3" target="_blank">
         ameba/ast/visitors/scope_visitor.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L1" target="_blank">
         ameba/ast/visitors/top_level_nodes_visitor.cr
       </a>
     
diff --git a/Ameba/AST/Argument.html b/Ameba/AST/Argument.html
index 20c2708c..e40270df 100644
--- a/Ameba/AST/Argument.html
+++ b/Ameba/AST/Argument.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,9 +646,7 @@
 
   <p>Represents the argument of some node.
 Holds the reference to the variable, thus to scope.</p>
-
 <p>For example, all these vars are arguments:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b, c <span class="o">=</span> <span class="n">10</span>, <span class="o">&amp;</span>block)
   <span class="n">3</span>.times <span class="k">do</span> <span class="o">|</span>i<span class="o">|</span>
   <span class="k">end</span>
@@ -674,7 +677,7 @@ Holds the reference to the variable, thus to scope.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L15" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L15" target="_blank">
         ameba/ast/variabling/argument.cr
       </a>
     
@@ -696,7 +699,7 @@ Holds the reference to the variable, thus to scope.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,variable)-class-method" class="signature"><strong>.new</strong>(node, variable)</a>
+        <a href="#new%28node%2Cvariable%29-class-method" class="signature"><strong>.new</strong>(node, variable)</a>
         
           <div class="summary"><p>Creates a new argument.</p></div>
         
@@ -719,29 +722,29 @@ Holds the reference to the variable, thus to scope.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignored?-instance-method" class="signature"><strong>#ignored?</strong></a>
+        <a href="#ignored%3F-instance-method" class="signature"><strong>#ignored?</strong></a>
         
           <div class="summary"><p>Returns true if the name starts with '_', false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
@@ -753,24 +756,24 @@ Holds the reference to the variable, thus to scope.</p>
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::Var%7CCrystal::Arg-instance-method" class="signature"><strong>#node</strong> : Crystal::Var | Crystal::Arg</a>
+        <a href="#node%3ACrystal%3A%3AVar%7CCrystal%3A%3AArg-instance-method" class="signature"><strong>#node</strong> : Crystal::Var | Crystal::Arg</a>
         
           <div class="summary"><p>The actual node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#variable:Variable-instance-method" class="signature"><strong>#variable</strong> : Variable</a>
+        <a href="#variable%3AVariable-instance-method" class="signature"><strong>#variable</strong> : Variable</a>
         
           <div class="summary"><p>Variable of this argument (may be the same node)</p></div>
         
@@ -821,20 +824,19 @@ Holds the reference to the variable, thus to scope.</p>
         
         def self.<strong>new</strong>(node, variable)
 
-        <a class="method-permalink" href="#new(node,variable)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Cvariable%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new argument.</p>
-
 <pre><code class="language-crystal"><span class="t">Argument</span>.<span class="k">new</span>(node, variable)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L31" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L31" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -858,29 +860,29 @@ Holds the reference to the variable, thus to scope.</p>
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -890,7 +892,7 @@ Holds the reference to the variable, thus to scope.</p>
         
         def <strong>ignored?</strong>
 
-        <a class="method-permalink" href="#ignored?-instance-method">#</a>
+        <a class="method-permalink" href="#ignored%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -901,7 +903,7 @@ Holds the reference to the variable, thus to scope.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -911,29 +913,29 @@ Holds the reference to the variable, thus to scope.</p>
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -954,7 +956,7 @@ Holds the reference to the variable, thus to scope.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L40" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L40" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -964,7 +966,7 @@ Holds the reference to the variable, thus to scope.</p>
         
         def <strong>node</strong> : Crystal::Var | Crystal::Arg
 
-        <a class="method-permalink" href="#node:Crystal::Var%7CCrystal::Arg-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AVar%7CCrystal%3A%3AArg-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -975,7 +977,7 @@ Holds the reference to the variable, thus to scope.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L17" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L17" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -985,29 +987,29 @@ Holds the reference to the variable, thus to scope.</p>
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1017,7 +1019,7 @@ Holds the reference to the variable, thus to scope.</p>
         
         def <strong>variable</strong> : <a href="../../Ameba/AST/Variable.html">Variable</a>
 
-        <a class="method-permalink" href="#variable:Variable-instance-method">#</a>
+        <a class="method-permalink" href="#variable%3AVariable-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1028,7 +1030,7 @@ Holds the reference to the variable, thus to scope.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/argument.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/argument.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Assignment.html b/Ameba/AST/Assignment.html
index 9ab25f84..8cb4f03c 100644
--- a/Ameba/AST/Assignment.html
+++ b/Ameba/AST/Assignment.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -665,7 +670,7 @@ Holds the assign node and the variable.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L7" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L7" target="_blank">
         ameba/ast/variabling/assignment.cr
       </a>
     
@@ -687,7 +692,7 @@ Holds the assign node and the variable.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,variable,scope)-class-method" class="signature"><strong>.new</strong>(node, variable, scope)</a>
+        <a href="#new%28node%2Cvariable%2Cscope%29-class-method" class="signature"><strong>.new</strong>(node, variable, scope)</a>
         
           <div class="summary"><p>Creates a new assignment.</p></div>
         
@@ -710,70 +715,70 @@ Holds the assign node and the variable.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#branch:Branch?-instance-method" class="signature"><strong>#branch</strong> : Branch?</a>
+        <a href="#branch%3ABranch%3F-instance-method" class="signature"><strong>#branch</strong> : Branch?</a>
         
           <div class="summary"><p>Branch of this assignment.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#in_branch?-instance-method" class="signature"><strong>#in_branch?</strong></a>
+        <a href="#in_branch%3F-instance-method" class="signature"><strong>#in_branch?</strong></a>
         
           <div class="summary"><p>Returns true if this assignment is in a branch, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::ASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
+        <a href="#node%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>The actual assignment node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#op_assign?-instance-method" class="signature"><strong>#op_assign?</strong></a>
+        <a href="#op_assign%3F-instance-method" class="signature"><strong>#op_assign?</strong></a>
         
           <div class="summary"><p>Returns true if this assignment is an op assign, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#referenced=(referenced)-instance-method" class="signature"><strong>#referenced=</strong>(referenced)</a>
+        <a href="#referenced%3D%28referenced%29-instance-method" class="signature"><strong>#referenced=</strong>(referenced)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#referenced?:Bool-instance-method" class="signature"><strong>#referenced?</strong> : Bool</a>
+        <a href="#referenced%3F%3ABool-instance-method" class="signature"><strong>#referenced?</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#referenced_in_loop?-instance-method" class="signature"><strong>#referenced_in_loop?</strong></a>
+        <a href="#referenced_in_loop%3F-instance-method" class="signature"><strong>#referenced_in_loop?</strong></a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#scope:Scope-instance-method" class="signature"><strong>#scope</strong> : Scope</a>
+        <a href="#scope%3AScope-instance-method" class="signature"><strong>#scope</strong> : Scope</a>
         
           <div class="summary"><p>A scope assignment belongs to</p></div>
         
@@ -787,24 +792,24 @@ Holds the assign node and the variable.</p>
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#transformed?-instance-method" class="signature"><strong>#transformed?</strong></a>
+        <a href="#transformed%3F-instance-method" class="signature"><strong>#transformed?</strong></a>
         
           <div class="summary"><p>Indicates whether the node is a transformed assignment by the compiler.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#variable:Variable-instance-method" class="signature"><strong>#variable</strong> : Variable</a>
+        <a href="#variable%3AVariable-instance-method" class="signature"><strong>#variable</strong> : Variable</a>
         
           <div class="summary"><p>Variable of this assignment.</p></div>
         
@@ -855,20 +860,19 @@ Holds the assign node and the variable.</p>
         
         def self.<strong>new</strong>(node, variable, scope)
 
-        <a class="method-permalink" href="#new(node,variable,scope)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Cvariable%2Cscope%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new assignment.</p>
-
 <pre><code class="language-crystal"><span class="t">Assignment</span>.<span class="k">new</span>(node, variable, scope)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L31" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L31" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -892,7 +896,7 @@ Holds the assign node and the variable.</p>
         
         def <strong>branch</strong> : <a href="../../Ameba/AST/Branch.html">Branch</a>?
 
-        <a class="method-permalink" href="#branch:Branch?-instance-method">#</a>
+        <a class="method-permalink" href="#branch%3ABranch%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -903,23 +907,7 @@ Holds the assign node and the variable.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L17" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
-      <div class="signature">
-        
-        def <strong>end_location</strong>(*args, **options, &)
-
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
-      </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L17" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -929,13 +917,29 @@ Holds the assign node and the variable.</p>
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L24" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
+      <div class="signature">
+        
+        def <strong>end_location</strong>(*args, **options, &)
+
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -945,21 +949,20 @@ Holds the assign node and the variable.</p>
         
         def <strong>in_branch?</strong>
 
-        <a class="method-permalink" href="#in_branch?-instance-method">#</a>
+        <a class="method-permalink" href="#in_branch%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if this assignment is in a branch, false if not.
 For example, this assignment is in a branch:</p>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span> <span class="k">if</span> a.<span class="k">nil?</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L60" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L60" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -969,29 +972,29 @@ For example, this assignment is in a branch:</p>
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1001,7 +1004,7 @@ For example, this assignment is in a branch:</p>
         
         def <strong>node</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#node:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1012,7 +1015,7 @@ For example, this assignment is in a branch:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L11" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L11" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1022,21 +1025,20 @@ For example, this assignment is in a branch:</p>
         
         def <strong>op_assign?</strong>
 
-        <a class="method-permalink" href="#op_assign?-instance-method">#</a>
+        <a class="method-permalink" href="#op_assign%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if this assignment is an op assign, false if not.
 For example, this is an op assign:</p>
-
 <pre><code class="language-crystal">a ||= <span class="n">1</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L50" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L50" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1046,13 +1048,13 @@ For example, this is an op assign:</p>
         
         def <strong>referenced=</strong>(referenced)
 
-        <a class="method-permalink" href="#referenced=(referenced)-instance-method">#</a>
+        <a class="method-permalink" href="#referenced%3D%28referenced%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1062,13 +1064,13 @@ For example, this is an op assign:</p>
         
         def <strong>referenced?</strong> : Bool
 
-        <a class="method-permalink" href="#referenced?:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#referenced%3F%3ABool-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1078,13 +1080,13 @@ For example, this is an op assign:</p>
         
         def <strong>referenced_in_loop?</strong>
 
-        <a class="method-permalink" href="#referenced_in_loop?-instance-method">#</a>
+        <a class="method-permalink" href="#referenced_in_loop%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L40" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L40" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1094,7 +1096,7 @@ For example, this is an op assign:</p>
         
         def <strong>scope</strong> : <a href="../../Ameba/AST/Scope.html">Scope</a>
 
-        <a class="method-permalink" href="#scope:Scope-instance-method">#</a>
+        <a class="method-permalink" href="#scope%3AScope-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1105,7 +1107,7 @@ For example, this is an op assign:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1126,23 +1128,7 @@ For example, this is an op assign:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L65" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
-      <div class="signature">
-        
-        def <strong>to_s</strong>(*args, **options, &)
-
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
-      </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L65" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1152,13 +1138,29 @@ For example, this is an op assign:</p>
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L22" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
+      <div class="signature">
+        
+        def <strong>to_s</strong>(*args, **options, &)
+
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1168,20 +1170,17 @@ For example, this is an op assign:</p>
         
         def <strong>transformed?</strong>
 
-        <a class="method-permalink" href="#transformed?-instance-method">#</a>
+        <a class="method-permalink" href="#transformed%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Indicates whether the node is a transformed assignment by the compiler.
 i.e.</p>
-
 <pre><code class="language-crystal">collection.each <span class="k">do</span> <span class="o">|</span>(a, b)<span class="o">|</span>
   puts b
 <span class="k">end</span></code></pre>
-
 <p>is transformed to:</p>
-
 <pre><code class="language-crystal">collection.each <span class="k">do</span> <span class="o">|</span>__arg0<span class="o">|</span>
   a <span class="o">=</span> __arg0[<span class="n">0</span>]
   b <span class="o">=</span> __arg0[<span class="n">1</span>]
@@ -1192,7 +1191,7 @@ i.e.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L97" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L97" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1202,7 +1201,7 @@ i.e.</p>
         
         def <strong>variable</strong> : <a href="../../Ameba/AST/Variable.html">Variable</a>
 
-        <a class="method-permalink" href="#variable:Variable-instance-method">#</a>
+        <a class="method-permalink" href="#variable%3AVariable-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1213,7 +1212,7 @@ i.e.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/assignment.cr#L14" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/assignment.cr#L14" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/BaseVisitor.html b/Ameba/AST/BaseVisitor.html
index c6aa73cb..2737915b 100644
--- a/Ameba/AST/BaseVisitor.html
+++ b/Ameba/AST/BaseVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -682,7 +687,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/base_visitor.cr#L6" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/base_visitor.cr#L6" target="_blank">
         ameba/ast/visitors/base_visitor.cr
       </a>
     
@@ -704,7 +709,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(rule,source)-class-method" class="signature"><strong>.new</strong>(rule, source)</a>
+        <a href="#new%28rule%2Csource%29-class-method" class="signature"><strong>.new</strong>(rule, source)</a>
         
           <div class="summary"><p>Creates instance of this visitor.</p></div>
         
@@ -727,7 +732,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#visit(node:Crystal::ASTNode)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ASTNode)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ASTNode)</a>
         
           <div class="summary"><p>A main visit method that accepts <code>Crystal::ASTNode</code>.</p></div>
         
@@ -788,20 +793,19 @@
         
         def self.<strong>new</strong>(rule, source)
 
-        <a class="method-permalink" href="#new(rule,source)-class-method">#</a>
+        <a class="method-permalink" href="#new%28rule%2Csource%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates instance of this visitor.</p>
-
 <pre><code class="language-crystal">visitor <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">AST</span><span class="t">::</span><span class="t">NodeVisitor</span>.<span class="k">new</span>(rule, source)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/base_visitor.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/base_visitor.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -825,7 +829,7 @@
         
         def <strong>visit</strong>(node : Crystal::ASTNode)
 
-        <a class="method-permalink" href="#visit(node:Crystal::ASTNode)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -837,7 +841,7 @@ Returns true meaning all child nodes will be traversed.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/base_visitor.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/base_visitor.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Branch.html b/Ameba/AST/Branch.html
index e6e86c3f..d739c20e 100644
--- a/Ameba/AST/Branch.html
+++ b/Ameba/AST/Branch.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -642,7 +647,6 @@
   <p>Represents the branch in Crystal code.
 Branch is a part of a branchable statement.
 For example, the branchable if statement contains 3 branches:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> a <span class="o">=</span> something <span class="c"># --&gt; Branch A</span>
   a <span class="o">=</span> <span class="n">1</span>          <span class="c"># --&gt; Branch B</span>
   put a <span class="k">if</span> <span class="k">out</span>   <span class="c"># --&gt; Branch C</span>
@@ -673,7 +677,7 @@ For example, the branchable if statement contains 3 branches:</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L15" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L15" target="_blank">
         ameba/ast/branch.cr
       </a>
     
@@ -695,7 +699,7 @@ For example, the branchable if statement contains 3 branches:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,parent)-class-method" class="signature"><strong>.new</strong>(node, parent)</a>
+        <a href="#new%28node%2Cparent%29-class-method" class="signature"><strong>.new</strong>(node, parent)</a>
         
           <div class="summary"><p>Creates a new branch.</p></div>
         
@@ -716,14 +720,14 @@ For example, the branchable if statement contains 3 branches:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#of(node:Crystal::ASTNode,parent_node:Crystal::ASTNode)-class-method" class="signature"><strong>.of</strong>(node : Crystal::ASTNode, parent_node : Crystal::ASTNode)</a>
+        <a href="#of%28node%3ACrystal%3A%3AASTNode%2Cparent_node%3ACrystal%3A%3AASTNode%29-class-method" class="signature"><strong>.of</strong>(node : Crystal::ASTNode, parent_node : Crystal::ASTNode)</a>
         
           <div class="summary"><p>Constructs a new branch based on the node some parent scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#of(node:Crystal::ASTNode,scope:Scope)-class-method" class="signature"><strong>.of</strong>(node : Crystal::ASTNode, scope : Scope)</a>
+        <a href="#of%28node%3ACrystal%3A%3AASTNode%2Cscope%3AScope%29-class-method" class="signature"><strong>.of</strong>(node : Crystal::ASTNode, scope : Scope)</a>
         
           <div class="summary"><p>Constructs a new branch based on the node in scope.</p></div>
         
@@ -744,67 +748,67 @@ For example, the branchable if statement contains 3 branches:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#==(other:self)-instance-method" class="signature"><strong>#==</strong>(other : <span class="k">self</span>)</a>
+        <a href="#%3D%3D%28other%3Aself%29-instance-method" class="signature"><strong>#==</strong>(other : <span class="k">self</span>)</a>
         
           <div class="summary"><p>Returns <code>true</code> if this reference is the same as <em>other</em>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#hash(hasher)-instance-method" class="signature"><strong>#hash</strong>(hasher)</a>
+        <a href="#hash%28hasher%29-instance-method" class="signature"><strong>#hash</strong>(hasher)</a>
         
           <div class="summary"><p>See <code>Object#hash(hasher)</code></p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#in_loop?-instance-method" class="signature"><strong>#in_loop?</strong></a>
+        <a href="#in_loop%3F-instance-method" class="signature"><strong>#in_loop?</strong></a>
         
           <div class="summary"><p>Returns true if current branch is in a loop, false - otherwise.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::ASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
+        <a href="#node%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>The actual branch node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#parent:Branchable-instance-method" class="signature"><strong>#parent</strong> : Branchable</a>
+        <a href="#parent%3ABranchable-instance-method" class="signature"><strong>#parent</strong> : Branchable</a>
         
           <div class="summary"><p>The parent branchable.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
@@ -853,20 +857,19 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def self.<strong>new</strong>(node, parent)
 
-        <a class="method-permalink" href="#new(node,parent)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Cparent%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new branch.</p>
-
 <pre><code class="language-crystal"><span class="t">Branch</span>.<span class="k">new</span>(if_node)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L33" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L33" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -888,20 +891,19 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def self.<strong>of</strong>(node : Crystal::ASTNode, parent_node : Crystal::ASTNode)
 
-        <a class="method-permalink" href="#of(node:Crystal::ASTNode,parent_node:Crystal::ASTNode)-class-method">#</a>
+        <a class="method-permalink" href="#of%28node%3ACrystal%3A%3AASTNode%2Cparent_node%3ACrystal%3A%3AASTNode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Constructs a new branch based on the node some parent scope.</p>
-
 <pre><code class="language-crystal"><span class="t">Branch</span>.<span class="k">of</span>(assign_node, def_node)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L65" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L65" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -911,20 +913,19 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def self.<strong>of</strong>(node : Crystal::ASTNode, scope : <a href="../../Ameba/AST/Scope.html">Scope</a>)
 
-        <a class="method-permalink" href="#of(node:Crystal::ASTNode,scope:Scope)-class-method">#</a>
+        <a class="method-permalink" href="#of%28node%3ACrystal%3A%3AASTNode%2Cscope%3AScope%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Constructs a new branch based on the node in scope.</p>
-
 <pre><code class="language-crystal"><span class="t">Branch</span>.<span class="k">of</span>(assign_node, scope)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L56" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L56" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -946,7 +947,7 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def <strong>==</strong>(other : <span class="k">self</span>)
 
-        <a class="method-permalink" href="#==(other:self)-instance-method">#</a>
+        <a class="method-permalink" href="#%3D%3D%28other%3Aself%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -969,29 +970,29 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1001,7 +1002,7 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def <strong>hash</strong>(hasher)
 
-        <a class="method-permalink" href="#hash(hasher)-instance-method">#</a>
+        <a class="method-permalink" href="#hash%28hasher%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1024,14 +1025,13 @@ For example, the branchable if statement contains 3 branches:</p>
         
         def <strong>in_loop?</strong>
 
-        <a class="method-permalink" href="#in_loop?-instance-method">#</a>
+        <a class="method-permalink" href="#in_loop%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if current branch is in a loop, false - otherwise.
 For example, this branch is in a loop:</p>
-
 <pre><code class="language-crystal"><span class="k">while</span> <span class="n">true</span>
   handle_input <span class="c"># this branch is in a loop</span>
   <span class="k">if</span> wrong_input
@@ -1043,7 +1043,7 @@ For example, this branch is in a loop:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1053,29 +1053,29 @@ For example, this branch is in a loop:</p>
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1085,7 +1085,7 @@ For example, this branch is in a loop:</p>
         
         def <strong>node</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#node:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1096,7 +1096,7 @@ For example, this branch is in a loop:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L17" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L17" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1106,7 +1106,7 @@ For example, this branch is in a loop:</p>
         
         def <strong>parent</strong> : <a href="../../Ameba/AST/Branchable.html">Branchable</a>
 
-        <a class="method-permalink" href="#parent:Branchable-instance-method">#</a>
+        <a class="method-permalink" href="#parent%3ABranchable-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1117,7 +1117,7 @@ For example, this branch is in a loop:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1127,29 +1127,29 @@ For example, this branch is in a loop:</p>
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branch.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branch.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Branchable.html b/Ameba/AST/Branchable.html
index 4c66aa2a..a5fe4d84 100644
--- a/Ameba/AST/Branchable.html
+++ b/Ameba/AST/Branchable.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -642,7 +647,6 @@
   <p>A generic entity to represent a branchable Crystal node.
 For example, <code>Crystal::If</code>, <code>Crystal::Unless</code>, <code>Crystal::While</code>
 are branchables.</p>
-
 <pre><code class="language-crystal">white a <span class="o">&gt;</span> <span class="n">100</span> <span class="c"># Branchable A</span>
   <span class="k">if</span> b <span class="o">&gt;</span> <span class="n">2</span>    <span class="c"># Branchable B</span>
     a += <span class="n">1</span>
@@ -686,7 +690,7 @@ are branchables.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L15" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L15" target="_blank">
         ameba/ast/branchable.cr
       </a>
     
@@ -708,7 +712,7 @@ are branchables.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,parent=nil)-class-method" class="signature"><strong>.new</strong>(node, parent = <span class="n">nil</span>)</a>
+        <a href="#new%28node%2Cparent%3Dnil%29-class-method" class="signature"><strong>.new</strong>(node, parent = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>Creates a new branchable</p></div>
         
@@ -731,58 +735,58 @@ are branchables.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#branches:Array(Crystal::ASTNode)-instance-method" class="signature"><strong>#branches</strong> : Array(Crystal::ASTNode)</a>
+        <a href="#branches%3AArray%28Crystal%3A%3AASTNode%29-instance-method" class="signature"><strong>#branches</strong> : Array(Crystal::ASTNode)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#loop?-instance-method" class="signature"><strong>#loop?</strong></a>
+        <a href="#loop%3F-instance-method" class="signature"><strong>#loop?</strong></a>
         
           <div class="summary"><p>Returns true if this node or one of the parent branchables is a loop, false otherwise.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::ASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
+        <a href="#node%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>The actual Crystal node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#parent:Branchable?-instance-method" class="signature"><strong>#parent</strong> : Branchable?</a>
+        <a href="#parent%3ABranchable%3F-instance-method" class="signature"><strong>#parent</strong> : Branchable?</a>
         
           <div class="summary"><p>Parent branchable (if any)</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
@@ -799,44 +803,49 @@ are branchables.</p>
   <h3>Instance methods inherited from module <code><a href="../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -885,20 +894,19 @@ are branchables.</p>
         
         def self.<strong>new</strong>(node, parent = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(node,parent=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Cparent%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new branchable</p>
-
 <pre><code class="language-crystal"><span class="t">Branchable</span>.<span class="k">new</span>(node, parent_branchable)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -922,13 +930,13 @@ are branchables.</p>
         
         def <strong>branches</strong> : Array(Crystal::ASTNode)
 
-        <a class="method-permalink" href="#branches:Array(Crystal::ASTNode)-instance-method">#</a>
+        <a class="method-permalink" href="#branches%3AArray%28Crystal%3A%3AASTNode%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -938,29 +946,29 @@ are branchables.</p>
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -970,29 +978,29 @@ are branchables.</p>
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1002,7 +1010,7 @@ are branchables.</p>
         
         def <strong>loop?</strong>
 
-        <a class="method-permalink" href="#loop?-instance-method">#</a>
+        <a class="method-permalink" href="#loop%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1013,7 +1021,7 @@ are branchables.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1023,7 +1031,7 @@ are branchables.</p>
         
         def <strong>node</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#node:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1034,7 +1042,7 @@ are branchables.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L21" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L21" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1044,7 +1052,7 @@ are branchables.</p>
         
         def <strong>parent</strong> : <a href="../../Ameba/AST/Branchable.html">Branchable</a>?
 
-        <a class="method-permalink" href="#parent:Branchable?-instance-method">#</a>
+        <a class="method-permalink" href="#parent%3ABranchable%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1055,7 +1063,7 @@ are branchables.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1065,29 +1073,29 @@ are branchables.</p>
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L26" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L26" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/branchable.cr#L26" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/branchable.cr#L26" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/CountingVisitor.html b/Ameba/AST/CountingVisitor.html
index ea6013ec..2a1cac5e 100644
--- a/Ameba/AST/CountingVisitor.html
+++ b/Ameba/AST/CountingVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -664,7 +669,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/counting_visitor.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/counting_visitor.cr#L3" target="_blank">
         ameba/ast/visitors/counting_visitor.cr
       </a>
     
@@ -705,7 +710,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(scope:Crystal::ASTNode)-class-method" class="signature"><strong>.new</strong>(scope : Crystal::ASTNode)</a>
+        <a href="#new%28scope%3ACrystal%3A%3AASTNode%29-class-method" class="signature"><strong>.new</strong>(scope : Crystal::ASTNode)</a>
         
           <div class="summary"><p>Creates a new counting visitor</p></div>
         
@@ -735,12 +740,12 @@
       </li>
     
       <li class="entry-summary">
-        <a href="#macro_condition:Bool-instance-method" class="signature"><strong>#macro_condition</strong> : Bool</a>
+        <a href="#macro_condition%3ABool-instance-method" class="signature"><strong>#macro_condition</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#visit(node:Crystal::MacroIf%7CCrystal::MacroFor)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::MacroIf | Crystal::MacroFor)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AMacroIf%7CCrystal%3A%3AMacroFor%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::MacroIf | Crystal::MacroFor)</a>
         
       </li>
     
@@ -799,7 +804,7 @@
         
         def self.<strong>new</strong>(scope : Crystal::ASTNode)
 
-        <a class="method-permalink" href="#new(scope:Crystal::ASTNode)-class-method">#</a>
+        <a class="method-permalink" href="#new%28scope%3ACrystal%3A%3AASTNode%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -810,7 +815,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/counting_visitor.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/counting_visitor.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -845,7 +850,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/counting_visitor.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/counting_visitor.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -855,13 +860,13 @@
         
         def <strong>macro_condition</strong> : Bool
 
-        <a class="method-permalink" href="#macro_condition:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#macro_condition%3ABool-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/counting_visitor.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/counting_visitor.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -871,13 +876,13 @@
         
         def <strong>visit</strong>(node : Crystal::MacroIf | Crystal::MacroFor)
 
-        <a class="method-permalink" href="#visit(node:Crystal::MacroIf%7CCrystal::MacroFor)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AMacroIf%7CCrystal%3A%3AMacroFor%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/counting_visitor.cr#L44" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/counting_visitor.cr#L44" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/FlowExpression.html b/Ameba/AST/FlowExpression.html
index e2c44f04..a6785046 100644
--- a/Ameba/AST/FlowExpression.html
+++ b/Ameba/AST/FlowExpression.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,13 +646,11 @@
 
   <p>Represents a flow expression in Crystal code.
 For example,</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">foobar</span>
   a <span class="o">=</span> <span class="n">3</span>
   <span class="k">return</span> <span class="n">42</span> <span class="c"># =&gt; flow expression</span>
   a <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <p>Flow expression contains an actual node of a control expression and
 a parent node, which allows easily search through the related statement
 (i.e. find unreachable code)</p>
@@ -689,7 +692,7 @@ a parent node, which allows easily search through the related statement
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L18" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L18" target="_blank">
         ameba/ast/flow_expression.cr
       </a>
     
@@ -711,7 +714,7 @@ a parent node, which allows easily search through the related statement
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,in_loop)-class-method" class="signature"><strong>.new</strong>(node, in_loop)</a>
+        <a href="#new%28node%2Cin_loop%29-class-method" class="signature"><strong>.new</strong>(node, in_loop)</a>
         
           <div class="summary"><p>Creates a new flow expression.</p></div>
         
@@ -734,46 +737,46 @@ a parent node, which allows easily search through the related statement
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#in_loop?:Bool-instance-method" class="signature"><strong>#in_loop?</strong> : Bool</a>
+        <a href="#in_loop%3F%3ABool-instance-method" class="signature"><strong>#in_loop?</strong> : Bool</a>
         
           <div class="summary"><p>Is true only if some of the nodes parents is a loop.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::ASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
+        <a href="#node%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>The actual node of the flow expression.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
@@ -797,44 +800,49 @@ a parent node, which allows easily search through the related statement
   <h3>Instance methods inherited from module <code><a href="../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -883,20 +891,19 @@ a parent node, which allows easily search through the related statement
         
         def self.<strong>new</strong>(node, in_loop)
 
-        <a class="method-permalink" href="#new(node,in_loop)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Cin_loop%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new flow expression.</p>
-
 <pre><code class="language-crystal"><span class="t">FlowExpression</span>.<span class="k">new</span>(node, parent_node)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -920,29 +927,29 @@ a parent node, which allows easily search through the related statement
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -952,7 +959,7 @@ a parent node, which allows easily search through the related statement
         
         def <strong>in_loop?</strong> : Bool
 
-        <a class="method-permalink" href="#in_loop?:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#in_loop%3F%3ABool-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -963,7 +970,7 @@ a parent node, which allows easily search through the related statement
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -973,29 +980,29 @@ a parent node, which allows easily search through the related statement
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1005,7 +1012,7 @@ a parent node, which allows easily search through the related statement
         
         def <strong>node</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#node:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1016,7 +1023,7 @@ a parent node, which allows easily search through the related statement
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L25" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L25" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1026,29 +1033,29 @@ a parent node, which allows easily search through the related statement
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1065,7 +1072,6 @@ a parent node, which allows easily search through the related statement
           
           <p>Returns nodes which can't be reached because of a flow command inside.
 For example:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">foobar</span>
   a <span class="o">=</span> <span class="n">1</span>
   <span class="k">return</span> <span class="n">42</span>
@@ -1077,7 +1083,7 @@ For example:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/flow_expression.cr#L50" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/flow_expression.cr#L50" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/FlowExpressionVisitor.html b/Ameba/AST/FlowExpressionVisitor.html
index c3f6ead9..a7a63204 100644
--- a/Ameba/AST/FlowExpressionVisitor.html
+++ b/Ameba/AST/FlowExpressionVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -678,7 +683,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/flow_expression_visitor.cr#L6" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/flow_expression_visitor.cr#L6" target="_blank">
         ameba/ast/visitors/flow_expression_visitor.cr
       </a>
     
@@ -700,7 +705,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(rule,source)-class-method" class="signature"><strong>.new</strong>(rule, source)</a>
+        <a href="#new%28rule%2Csource%29-class-method" class="signature"><strong>.new</strong>(rule, source)</a>
         
           <div class="summary"><p>Creates a new flow expression visitor.</p></div>
         
@@ -723,44 +728,49 @@
   <h3>Instance methods inherited from module <code><a href="../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -777,7 +787,7 @@
   <h3>Instance methods inherited from class <code><a href="../../Ameba/AST/BaseVisitor.html">Ameba::AST::BaseVisitor</a></code></h3>
   
   
-    <a href="../../Ameba/AST/BaseVisitor.html#visit(node:Crystal::ASTNode)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/BaseVisitor.html#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method" class="tooltip">
       <span>visit(node : Crystal::ASTNode)</span>
     visit</a>
     
@@ -789,7 +799,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/AST/BaseVisitor.html">Ameba::AST::BaseVisitor</a></code></h3>
   
   
-    <a href="../../Ameba/AST/BaseVisitor.html#new(rule,source)-class-method" class="tooltip">
+    <a href="../../Ameba/AST/BaseVisitor.html#new%28rule%2Csource%29-class-method" class="tooltip">
       <span>new(rule, source)</span>
     new</a>
     
@@ -847,7 +857,7 @@
         
         def self.<strong>new</strong>(rule, source)
 
-        <a class="method-permalink" href="#new(rule,source)-class-method">#</a>
+        <a class="method-permalink" href="#new%28rule%2Csource%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -858,7 +868,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/flow_expression_visitor.cr#L12" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/flow_expression_visitor.cr#L12" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/InstanceVariable.html b/Ameba/AST/InstanceVariable.html
index 93d64749..63532b26 100644
--- a/Ameba/AST/InstanceVariable.html
+++ b/Ameba/AST/InstanceVariable.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -653,7 +658,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L2" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L2" target="_blank">
         ameba/ast/variabling/ivariable.cr
       </a>
     
@@ -675,7 +680,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node)-class-method" class="signature"><strong>.new</strong>(node)</a>
+        <a href="#new%28node%29-class-method" class="signature"><strong>.new</strong>(node)</a>
         
       </li>
     
@@ -696,47 +701,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#name(*args,**options)-instance-method" class="signature"><strong>#name</strong>(*args, **options)</a>
+        <a href="#name%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#name</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#name(*args,**options,&)-instance-method" class="signature"><strong>#name</strong>(*args, **options, &)</a>
+        <a href="#name%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#name</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::InstanceVar-instance-method" class="signature"><strong>#node</strong> : Crystal::InstanceVar</a>
+        <a href="#node%3ACrystal%3A%3AInstanceVar-instance-method" class="signature"><strong>#node</strong> : Crystal::InstanceVar</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
@@ -785,13 +790,13 @@
         
         def self.<strong>new</strong>(node)
 
-        <a class="method-permalink" href="#new(node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -815,29 +820,29 @@
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L6" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L6" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L6" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L6" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -847,29 +852,29 @@
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -879,29 +884,29 @@
         
         def <strong>name</strong>(*args, **options)
 
-        <a class="method-permalink" href="#name(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#name%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L7" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L7" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="name(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="name(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>name</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#name(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#name%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L7" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L7" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -911,13 +916,13 @@
         
         def <strong>node</strong> : Crystal::InstanceVar
 
-        <a class="method-permalink" href="#node:Crystal::InstanceVar-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AInstanceVar-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L3" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L3" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -927,29 +932,29 @@
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/ivariable.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/ivariable.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/NodeVisitor.html b/Ameba/AST/NodeVisitor.html
index 494698f8..30a1df4a 100644
--- a/Ameba/AST/NodeVisitor.html
+++ b/Ameba/AST/NodeVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,7 +646,6 @@
 
   <p>An AST Visitor that traverses the source and allows all nodes
 to be inspected by rules.</p>
-
 <pre><code class="language-crystal">visitor <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">AST</span><span class="t">::</span><span class="t">NodeVisitor</span>.<span class="k">new</span>(rule, source)</code></pre>
 
 
@@ -667,7 +671,7 @@ to be inspected by rules.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L39" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L39" target="_blank">
         ameba/ast/visitors/node_visitor.cr
       </a>
     
@@ -689,7 +693,7 @@ to be inspected by rules.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(rule,source,skip=nil)-class-method" class="signature"><strong>.new</strong>(rule, source, skip = <span class="n">nil</span>)</a>
+        <a href="#new%28rule%2Csource%2Cskip%3Dnil%29-class-method" class="signature"><strong>.new</strong>(rule, source, skip = <span class="n">nil</span>)</a>
         
       </li>
     
@@ -710,175 +714,175 @@ to be inspected by rules.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#visit(node:Crystal::Alias)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Alias)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AAlias%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Alias)</a>
         
           <div class="summary"><p>A visit callback for <code>Crystal::Alias</code> node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#visit(node:Crystal::Until)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Until)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Until</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::While)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::While)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::While</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::When)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::When)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::When</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Var)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Var)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Var</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Unless)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Unless)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Unless</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::StringInterpolation)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::StringInterpolation)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::StringInterpolation</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::NilLiteral)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::NilLiteral)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::NilLiteral</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::ModuleDef)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ModuleDef)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::ModuleDef</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::LibDef)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::LibDef)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::LibDef</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::InstanceVar)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::InstanceVar)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::InstanceVar</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::If)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::If)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::If</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::HashLiteral)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::HashLiteral)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::HashLiteral</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Expressions)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Expressions)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Expressions</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::ExceptionHandler)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ExceptionHandler)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::ExceptionHandler</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::EnumDef)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::EnumDef)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::EnumDef</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Def)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Def)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Def</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::ClassVar)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ClassVar)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::ClassVar</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::ClassDef)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ClassDef)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::ClassDef</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Case)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Case)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Case</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Block)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Block)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Block</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Call)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Call)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Call</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::Assign)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Assign)</a>
-        
-          <div class="summary"><p>A visit callback for <code>Crystal::Assign</code> node.</p></div>
-        
-      </li>
-    
-      <li class="entry-summary">
-        <a href="#visit(node:Crystal::IsA)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::IsA)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AIsA%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::IsA)</a>
         
           <div class="summary"><p>A visit callback for <code>Crystal::IsA</code> node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#visit(node)-instance-method" class="signature"><strong>#visit</strong>(node)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AAssign%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Assign)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Assign</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Call)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Call</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3ABlock%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Block)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Block</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3ACase%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Case)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Case</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AClassDef%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ClassDef)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::ClassDef</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AClassVar%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ClassVar)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::ClassVar</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3ADef%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Def)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Def</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AEnumDef%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::EnumDef)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::EnumDef</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AExceptionHandler%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ExceptionHandler)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::ExceptionHandler</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AExpressions%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Expressions)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Expressions</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AHashLiteral%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::HashLiteral)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::HashLiteral</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AIf%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::If)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::If</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AInstanceVar%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::InstanceVar)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::InstanceVar</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3ALibDef%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::LibDef)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::LibDef</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AModuleDef%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ModuleDef)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::ModuleDef</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3ANilLiteral%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::NilLiteral)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::NilLiteral</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AStringInterpolation%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::StringInterpolation)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::StringInterpolation</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AUnless%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Unless)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Unless</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AVar%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Var)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Var</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AWhen%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::When)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::When</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AWhile%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::While)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::While</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%3ACrystal%3A%3AUntil%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Until)</a>
+        
+          <div class="summary"><p>A visit callback for <code>Crystal::Until</code> node.</p></div>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#visit%28node%29-instance-method" class="signature"><strong>#visit</strong>(node)</a>
         
       </li>
     
@@ -895,7 +899,7 @@ to be inspected by rules.</p>
   <h3>Instance methods inherited from class <code><a href="../../Ameba/AST/BaseVisitor.html">Ameba::AST::BaseVisitor</a></code></h3>
   
   
-    <a href="../../Ameba/AST/BaseVisitor.html#visit(node:Crystal::ASTNode)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/BaseVisitor.html#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method" class="tooltip">
       <span>visit(node : Crystal::ASTNode)</span>
     visit</a>
     
@@ -907,7 +911,7 @@ to be inspected by rules.</p>
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/AST/BaseVisitor.html">Ameba::AST::BaseVisitor</a></code></h3>
   
   
-    <a href="../../Ameba/AST/BaseVisitor.html#new(rule,source)-class-method" class="tooltip">
+    <a href="../../Ameba/AST/BaseVisitor.html#new%28rule%2Csource%29-class-method" class="tooltip">
       <span>new(rule, source)</span>
     new</a>
     
@@ -965,13 +969,13 @@ to be inspected by rules.</p>
         
         def self.<strong>new</strong>(rule, source, skip = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(rule,source,skip=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28rule%2Csource%2Cskip%3Dnil%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L42" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L42" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -995,7 +999,7 @@ to be inspected by rules.</p>
         
         def <strong>visit</strong>(node : Crystal::Alias)
 
-        <a class="method-permalink" href="#visit(node:Crystal::Alias)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AAlias%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1007,491 +1011,7 @@ Returns true meaning that child nodes will be traversed as well.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Until)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Until)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Until)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Until</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::While)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::While)
-
-        <a class="method-permalink" href="#visit(node:Crystal::While)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::While</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::When)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::When)
-
-        <a class="method-permalink" href="#visit(node:Crystal::When)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::When</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Var)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Var)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Var)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Var</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Unless)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Unless)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Unless)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Unless</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::StringInterpolation)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::StringInterpolation)
-
-        <a class="method-permalink" href="#visit(node:Crystal::StringInterpolation)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::StringInterpolation</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::NilLiteral)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::NilLiteral)
-
-        <a class="method-permalink" href="#visit(node:Crystal::NilLiteral)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::NilLiteral</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::ModuleDef)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::ModuleDef)
-
-        <a class="method-permalink" href="#visit(node:Crystal::ModuleDef)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::ModuleDef</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::LibDef)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::LibDef)
-
-        <a class="method-permalink" href="#visit(node:Crystal::LibDef)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::LibDef</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::InstanceVar)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::InstanceVar)
-
-        <a class="method-permalink" href="#visit(node:Crystal::InstanceVar)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::InstanceVar</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::If)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::If)
-
-        <a class="method-permalink" href="#visit(node:Crystal::If)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::If</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::HashLiteral)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::HashLiteral)
-
-        <a class="method-permalink" href="#visit(node:Crystal::HashLiteral)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::HashLiteral</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Expressions)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Expressions)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Expressions)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Expressions</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::ExceptionHandler)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::ExceptionHandler)
-
-        <a class="method-permalink" href="#visit(node:Crystal::ExceptionHandler)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::ExceptionHandler</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::EnumDef)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::EnumDef)
-
-        <a class="method-permalink" href="#visit(node:Crystal::EnumDef)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::EnumDef</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Def)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Def)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Def)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Def</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::ClassVar)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::ClassVar)
-
-        <a class="method-permalink" href="#visit(node:Crystal::ClassVar)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::ClassVar</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::ClassDef)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::ClassDef)
-
-        <a class="method-permalink" href="#visit(node:Crystal::ClassDef)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::ClassDef</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Case)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Case)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Case)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Case</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Block)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Block)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Block)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Block</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Call)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Call)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Call)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Call</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="visit(node:Crystal::Assign)-instance-method">
-      <div class="signature">
-        
-        def <strong>visit</strong>(node : Crystal::Assign)
-
-        <a class="method-permalink" href="#visit(node:Crystal::Assign)-instance-method">#</a>
-      </div>
-      
-        <div class="doc">
-          
-          <p>A visit callback for <code>Crystal::Assign</code> node.
-Returns true meaning that child nodes will be traversed as well.</p>
-        </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1501,7 +1021,7 @@ Returns true meaning that child nodes will be traversed as well.</p>
         
         def <strong>visit</strong>(node : Crystal::IsA)
 
-        <a class="method-permalink" href="#visit(node:Crystal::IsA)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AIsA%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1513,7 +1033,491 @@ Returns true meaning that child nodes will be traversed as well.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Assign)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Assign)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AAssign%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Assign</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Call)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Call)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3ACall%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Call</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Block)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Block)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3ABlock%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Block</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Case)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Case)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3ACase%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Case</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::ClassDef)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::ClassDef)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AClassDef%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::ClassDef</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::ClassVar)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::ClassVar)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AClassVar%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::ClassVar</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Def)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Def)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3ADef%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Def</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::EnumDef)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::EnumDef)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AEnumDef%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::EnumDef</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::ExceptionHandler)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::ExceptionHandler)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AExceptionHandler%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::ExceptionHandler</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Expressions)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Expressions)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AExpressions%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Expressions</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::HashLiteral)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::HashLiteral)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AHashLiteral%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::HashLiteral</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::If)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::If)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AIf%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::If</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::InstanceVar)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::InstanceVar)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AInstanceVar%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::InstanceVar</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::LibDef)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::LibDef)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3ALibDef%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::LibDef</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::ModuleDef)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::ModuleDef)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AModuleDef%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::ModuleDef</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::NilLiteral)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::NilLiteral)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3ANilLiteral%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::NilLiteral</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::StringInterpolation)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::StringInterpolation)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AStringInterpolation%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::StringInterpolation</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Unless)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Unless)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AUnless%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Unless</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Var)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Var)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AVar%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Var</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::When)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::When)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AWhen%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::When</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::While)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::While)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AWhile%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::While</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="visit(node:Crystal::Until)-instance-method">
+      <div class="signature">
+        
+        def <strong>visit</strong>(node : Crystal::Until)
+
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AUntil%29-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>A visit callback for <code>Crystal::Until</code> node.
+Returns true meaning that child nodes will be traversed as well.</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1523,13 +1527,13 @@ Returns true meaning that child nodes will be traversed as well.</p>
         
         def <strong>visit</strong>(node)
 
-        <a class="method-permalink" href="#visit(node)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/node_visitor.cr#L56" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/node_visitor.cr#L56" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/RedundantControlExpressionVisitor.html b/Ameba/AST/RedundantControlExpressionVisitor.html
index 0d4216ab..6d631cc6 100644
--- a/Ameba/AST/RedundantControlExpressionVisitor.html
+++ b/Ameba/AST/RedundantControlExpressionVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -666,7 +671,7 @@ is reached.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L5" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L5" target="_blank">
         ameba/ast/visitors/redundant_control_expression_visitor.cr
       </a>
     
@@ -688,7 +693,7 @@ is reached.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(rule,source,node)-class-method" class="signature"><strong>.new</strong>(rule, source, node)</a>
+        <a href="#new%28rule%2Csource%2Cnode%29-class-method" class="signature"><strong>.new</strong>(rule, source, node)</a>
         
       </li>
     
@@ -709,21 +714,21 @@ is reached.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#node:Crystal::ASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
+        <a href="#node%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>A node to run traversal on.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#rule:Rule::Base-instance-method" class="signature"><strong>#rule</strong> : Rule::Base</a>
+        <a href="#rule%3ARule%3A%3ABase-instance-method" class="signature"><strong>#rule</strong> : Rule::Base</a>
         
           <div class="summary"><p>A corresponding rule that uses this visitor.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#source:Source-instance-method" class="signature"><strong>#source</strong> : Source</a>
+        <a href="#source%3ASource-instance-method" class="signature"><strong>#source</strong> : Source</a>
         
           <div class="summary"><p>A source that needs to be traversed.</p></div>
         
@@ -774,13 +779,13 @@ is reached.</p>
         
         def self.<strong>new</strong>(rule, source, node)
 
-        <a class="method-permalink" href="#new(rule,source,node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28rule%2Csource%2Cnode%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L15" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L15" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -804,7 +809,7 @@ is reached.</p>
         
         def <strong>node</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#node:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -815,7 +820,7 @@ is reached.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L13" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L13" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -825,7 +830,7 @@ is reached.</p>
         
         def <strong>rule</strong> : <a href="../../Ameba/Rule/Base.html">Rule::Base</a>
 
-        <a class="method-permalink" href="#rule:Rule::Base-instance-method">#</a>
+        <a class="method-permalink" href="#rule%3ARule%3A%3ABase-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -836,7 +841,7 @@ is reached.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L7" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L7" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -846,7 +851,7 @@ is reached.</p>
         
         def <strong>source</strong> : <a href="../../Ameba/Source.html">Source</a>
 
-        <a class="method-permalink" href="#source:Source-instance-method">#</a>
+        <a class="method-permalink" href="#source%3ASource-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -857,7 +862,7 @@ is reached.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/redundant_control_expression_visitor.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Reference.html b/Ameba/AST/Reference.html
index 207e37fd..add27bea 100644
--- a/Ameba/AST/Reference.html
+++ b/Ameba/AST/Reference.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -666,7 +671,7 @@ the variable from its reference.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/reference.cr#L7" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/reference.cr#L7" target="_blank">
         ameba/ast/variabling/reference.cr
       </a>
     
@@ -692,12 +697,12 @@ the variable from its reference.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#explicit=(explicit)-instance-method" class="signature"><strong>#explicit=</strong>(explicit)</a>
+        <a href="#explicit%3D%28explicit%29-instance-method" class="signature"><strong>#explicit=</strong>(explicit)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#explicit?:Bool-instance-method" class="signature"><strong>#explicit?</strong> : Bool</a>
+        <a href="#explicit%3F%3ABool-instance-method" class="signature"><strong>#explicit?</strong> : Bool</a>
         
       </li>
     
@@ -714,102 +719,102 @@ the variable from its reference.</p>
   <h3>Instance methods inherited from class <code><a href="../../Ameba/AST/Variable.html">Ameba::AST::Variable</a></code></h3>
   
   
-    <a href="../../Ameba/AST/Variable.html#assign(node,scope)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#assign%28node%2Cscope%29-instance-method" class="tooltip">
       <span>assign(node, scope)</span>
     assign</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#assign_before_reference:Crystal::ASTNode?-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#assign_before_reference%3ACrystal%3A%3AASTNode%3F-instance-method" class="tooltip">
       <span>assign_before_reference : Crystal::ASTNode?</span>
     assign_before_reference</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#assignments:Array(Ameba::AST::Assignment)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#assignments%3AArray%28Ameba%3A%3AAST%3A%3AAssignment%29-instance-method" class="tooltip">
       <span>assignments : Array(Ameba::AST::Assignment)</span>
     assignments</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#captured_by_block?(scope=@scope)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#captured_by_block%3F%28scope%3D%40scope%29-instance-method" class="tooltip">
       <span>captured_by_block?(scope = @scope)</span>
     captured_by_block?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#declared_before?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#declared_before%3F%28node%29-instance-method" class="tooltip">
       <span>declared_before?(node)</span>
     declared_before?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#end_location(*args,**options)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="tooltip">
       <span>end_location(*args, **options)<br/>end_location(*args, **options, &)</span>
     end_location</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#eql?(node)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#eql%3F%28node%29-instance-method" class="tooltip">
       <span>eql?(node)</span>
     eql?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#ignored?-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#ignored%3F-instance-method" class="tooltip">
       <span>ignored?</span>
     ignored?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#location(*args,**options)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="tooltip">
       <span>location(*args, **options)<br/>location(*args, **options, &)</span>
     location</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#name(*args,**options)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#name%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="tooltip">
       <span>name(*args, **options)<br/>name(*args, **options, &)</span>
     name</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#node:Crystal::Var-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#node%3ACrystal%3A%3AVar-instance-method" class="tooltip">
       <span>node : Crystal::Var</span>
     node</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#reference(node:Crystal::Var,scope:Scope)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#reference%28node%3ACrystal%3A%3AVar%2Cscope%3AScope%29-instance-method" class="tooltip">
       <span>reference(node : Crystal::Var, scope : Scope)</span>
     reference</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#reference_assignments!-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#reference_assignments%21-instance-method" class="tooltip">
       <span>reference_assignments!</span>
     reference_assignments!</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#referenced?-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#referenced%3F-instance-method" class="tooltip">
       <span>referenced?</span>
     referenced?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#references:Array(Ameba::AST::Reference)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#references%3AArray%28Ameba%3A%3AAST%3A%3AReference%29-instance-method" class="tooltip">
       <span>references : Array(Ameba::AST::Reference)</span>
     references</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#scope:Scope-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#scope%3AScope-instance-method" class="tooltip">
       <span>scope : Scope</span>
     scope</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#special?-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#target_of?(assign)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#target_of%3F%28assign%29-instance-method" class="tooltip">
       <span>target_of?(assign)</span>
     target_of?</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#to_s(*args,**options)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="tooltip">
       <span>to_s(*args, **options)<br/>to_s(*args, **options, &)</span>
     to_s</a>, 
     
   
-    <a href="../../Ameba/AST/Variable.html#used_in_macro?(scope=@scope)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#used_in_macro%3F%28scope%3D%40scope%29-instance-method" class="tooltip">
       <span>used_in_macro?(scope = @scope)</span>
     used_in_macro?</a>
     
@@ -821,7 +826,7 @@ the variable from its reference.</p>
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/AST/Variable.html">Ameba::AST::Variable</a></code></h3>
   
   
-    <a href="../../Ameba/AST/Variable.html#new(node,scope)-class-method" class="tooltip">
+    <a href="../../Ameba/AST/Variable.html#new%28node%2Cscope%29-class-method" class="tooltip">
       <span>new(node, scope)</span>
     new</a>
     
@@ -873,13 +878,13 @@ the variable from its reference.</p>
         
         def <strong>explicit=</strong>(explicit)
 
-        <a class="method-permalink" href="#explicit=(explicit)-instance-method">#</a>
+        <a class="method-permalink" href="#explicit%3D%28explicit%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/reference.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/reference.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -889,13 +894,13 @@ the variable from its reference.</p>
         
         def <strong>explicit?</strong> : Bool
 
-        <a class="method-permalink" href="#explicit?:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#explicit%3F%3ABool-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/reference.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/reference.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Scope.html b/Ameba/AST/Scope.html
index d3ba6b3c..539c8737 100644
--- a/Ameba/AST/Scope.html
+++ b/Ameba/AST/Scope.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -665,7 +670,7 @@ This is where the local variables belong to.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L6" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L6" target="_blank">
         ameba/ast/scope.cr
       </a>
     
@@ -687,7 +692,7 @@ This is where the local variables belong to.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,outer_scope=nil)-class-method" class="signature"><strong>.new</strong>(node, outer_scope = <span class="n">nil</span>)</a>
+        <a href="#new%28node%2Couter_scope%3Dnil%29-class-method" class="signature"><strong>.new</strong>(node, outer_scope = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>Creates a new scope.</p></div>
         
@@ -710,198 +715,198 @@ This is where the local variables belong to.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#==(other:self)-instance-method" class="signature"><strong>#==</strong>(other : <span class="k">self</span>)</a>
+        <a href="#%3D%3D%28other%3Aself%29-instance-method" class="signature"><strong>#==</strong>(other : <span class="k">self</span>)</a>
         
           <div class="summary"><p>Returns <code>true</code> if this reference is the same as <em>other</em>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_argument(node)-instance-method" class="signature"><strong>#add_argument</strong>(node)</a>
+        <a href="#add_argument%28node%29-instance-method" class="signature"><strong>#add_argument</strong>(node)</a>
         
           <div class="summary"><p>Creates a new argument in the current scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_ivariable(node)-instance-method" class="signature"><strong>#add_ivariable</strong>(node)</a>
+        <a href="#add_ivariable%28node%29-instance-method" class="signature"><strong>#add_ivariable</strong>(node)</a>
         
           <div class="summary"><p>Adds a new instance variable to the current scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_variable(node)-instance-method" class="signature"><strong>#add_variable</strong>(node)</a>
+        <a href="#add_variable%28node%29-instance-method" class="signature"><strong>#add_variable</strong>(node)</a>
         
           <div class="summary"><p>Creates a new variable in the current scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#arg?(var)-instance-method" class="signature"><strong>#arg?</strong>(var)</a>
+        <a href="#arg%3F%28var%29-instance-method" class="signature"><strong>#arg?</strong>(var)</a>
         
           <div class="summary"><p>Returns true if var is an argument in current scope, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#arguments:Array(Ameba::AST::Argument)-instance-method" class="signature"><strong>#arguments</strong> : Array(Ameba::AST::Argument)</a>
+        <a href="#arguments%3AArray%28Ameba%3A%3AAST%3A%3AArgument%29-instance-method" class="signature"><strong>#arguments</strong> : Array(Ameba::AST::Argument)</a>
         
           <div class="summary"><p>Link to the arguments in current scope</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#assign_variable(name,node)-instance-method" class="signature"><strong>#assign_variable</strong>(name, node)</a>
+        <a href="#assign_variable%28name%2Cnode%29-instance-method" class="signature"><strong>#assign_variable</strong>(name, node)</a>
         
           <div class="summary"><p>Creates a new assignment for the variable.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#assigns_ivar?(name)-instance-method" class="signature"><strong>#assigns_ivar?</strong>(name)</a>
+        <a href="#assigns_ivar%3F%28name%29-instance-method" class="signature"><strong>#assigns_ivar?</strong>(name)</a>
         
           <div class="summary"><p>Returns true instance variable assinged in this scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#block?-instance-method" class="signature"><strong>#block?</strong></a>
+        <a href="#block%3F-instance-method" class="signature"><strong>#block?</strong></a>
         
           <div class="summary"><p>Returns true if current scope represents a block (or proc), false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#def?-instance-method" class="signature"><strong>#def?</strong></a>
+        <a href="#def%3F-instance-method" class="signature"><strong>#def?</strong></a>
         
           <div class="summary"><p>Returns true if current scope is a def, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#eql?(node)-instance-method" class="signature"><strong>#eql?</strong>(node)</a>
+        <a href="#eql%3F%28node%29-instance-method" class="signature"><strong>#eql?</strong>(node)</a>
         
-          <div class="summary"><p>Returns true if the <code><a href="../../Ameba/AST/Scope.html#node:Crystal::ASTNode-instance-method">#node</a></code> represents exactly the same Crystal node as <code>@node</code>.</p></div>
+          <div class="summary"><p>Returns true if the <code><a href="../../Ameba/AST/Scope.html#node%3ACrystal%3A%3AASTNode-instance-method">#node</a></code> represents exactly the same Crystal node as <code>@node</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#find_variable(name:String)-instance-method" class="signature"><strong>#find_variable</strong>(name : String)</a>
+        <a href="#find_variable%28name%3AString%29-instance-method" class="signature"><strong>#find_variable</strong>(name : String)</a>
         
           <div class="summary"><p>Returns variable by its name or nil if it does not exist.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#hash(hasher)-instance-method" class="signature"><strong>#hash</strong>(hasher)</a>
+        <a href="#hash%28hasher%29-instance-method" class="signature"><strong>#hash</strong>(hasher)</a>
         
           <div class="summary"><p>See <code>Object#hash(hasher)</code></p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#in_macro?-instance-method" class="signature"><strong>#in_macro?</strong></a>
+        <a href="#in_macro%3F-instance-method" class="signature"><strong>#in_macro?</strong></a>
         
           <div class="summary"><p>Returns true if current scope sits inside a macro.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#inner_scopes:Array(Ameba::AST::Scope)-instance-method" class="signature"><strong>#inner_scopes</strong> : Array(Ameba::AST::Scope)</a>
+        <a href="#inner_scopes%3AArray%28Ameba%3A%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#inner_scopes</strong> : Array(Ameba::AST::Scope)</a>
         
           <div class="summary"><p>List of inner scopes</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ivariables:Array(Ameba::AST::InstanceVariable)-instance-method" class="signature"><strong>#ivariables</strong> : Array(Ameba::AST::InstanceVariable)</a>
+        <a href="#ivariables%3AArray%28Ameba%3A%3AAST%3A%3AInstanceVariable%29-instance-method" class="signature"><strong>#ivariables</strong> : Array(Ameba::AST::InstanceVariable)</a>
         
           <div class="summary"><p>Link to the instance variables used in current scope</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::ASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
+        <a href="#node%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#node</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>The actual AST node that represents a current scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#outer_scope:Scope?-instance-method" class="signature"><strong>#outer_scope</strong> : Scope?</a>
+        <a href="#outer_scope%3AScope%3F-instance-method" class="signature"><strong>#outer_scope</strong> : Scope?</a>
         
           <div class="summary"><p>Link to the outer scope</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#references:Array(Ameba::AST::Reference)-instance-method" class="signature"><strong>#references</strong> : Array(Ameba::AST::Reference)</a>
+        <a href="#references%3AArray%28Ameba%3A%3AAST%3A%3AReference%29-instance-method" class="signature"><strong>#references</strong> : Array(Ameba::AST::Reference)</a>
         
           <div class="summary"><p>Link to all variable references in currency scope</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#references?(variable:Variable,check_inner_scopes=true)-instance-method" class="signature"><strong>#references?</strong>(variable : Variable, check_inner_scopes = <span class="n">true</span>)</a>
+        <a href="#references%3F%28variable%3AVariable%2Ccheck_inner_scopes%3Dtrue%29-instance-method" class="signature"><strong>#references?</strong>(variable : Variable, check_inner_scopes = <span class="n">true</span>)</a>
         
           <div class="summary"><p>Returns true if current scope (or any of inner scopes) references variable, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#spawn_block?-instance-method" class="signature"><strong>#spawn_block?</strong></a>
+        <a href="#spawn_block%3F-instance-method" class="signature"><strong>#spawn_block?</strong></a>
         
           <div class="summary"><p>Returns true if current scope represents a spawn block, e.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#top_level?-instance-method" class="signature"><strong>#top_level?</strong></a>
+        <a href="#top_level%3F-instance-method" class="signature"><strong>#top_level?</strong></a>
         
           <div class="summary"><p>Returns true if this scope is a top level scope, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#type_definition?-instance-method" class="signature"><strong>#type_definition?</strong></a>
+        <a href="#type_definition%3F-instance-method" class="signature"><strong>#type_definition?</strong></a>
         
           <div class="summary"><p>Returns true if and only if current scope represents some type definition, for example a class.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#variables:Array(Ameba::AST::Variable)-instance-method" class="signature"><strong>#variables</strong> : Array(Ameba::AST::Variable)</a>
+        <a href="#variables%3AArray%28Ameba%3A%3AAST%3A%3AVariable%29-instance-method" class="signature"><strong>#variables</strong> : Array(Ameba::AST::Variable)</a>
         
           <div class="summary"><p>Link to local variables</p></div>
         
@@ -952,20 +957,19 @@ This is where the local variables belong to.</p>
         
         def self.<strong>new</strong>(node, outer_scope = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(node,outer_scope=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Couter_scope%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new scope. Accepts the AST node and the outer scope.</p>
-
 <pre><code class="language-crystal">scope <span class="o">=</span> <span class="t">Scope</span>.<span class="k">new</span>(class_node, <span class="n">nil</span>)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -989,7 +993,7 @@ This is where the local variables belong to.</p>
         
         def <strong>==</strong>(other : <span class="k">self</span>)
 
-        <a class="method-permalink" href="#==(other:self)-instance-method">#</a>
+        <a class="method-permalink" href="#%3D%3D%28other%3Aself%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1012,13 +1016,12 @@ This is where the local variables belong to.</p>
         
         def <strong>add_argument</strong>(node)
 
-        <a class="method-permalink" href="#add_argument(node)-instance-method">#</a>
+        <a class="method-permalink" href="#add_argument%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new argument in the current scope.</p>
-
 <pre><code class="language-crystal">scope <span class="o">=</span> <span class="t">Scope</span>.<span class="k">new</span>(class_node, <span class="n">nil</span>)
 scope.add_argument(arg_node)</code></pre>
         </div>
@@ -1026,7 +1029,7 @@ scope.add_argument(arg_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L59" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L59" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1036,13 +1039,12 @@ scope.add_argument(arg_node)</code></pre>
         
         def <strong>add_ivariable</strong>(node)
 
-        <a class="method-permalink" href="#add_ivariable(node)-instance-method">#</a>
+        <a class="method-permalink" href="#add_ivariable%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Adds a new instance variable to the current scope.</p>
-
 <pre><code class="language-crystal">scope <span class="o">=</span> <span class="t">Scope</span>.<span class="k">new</span>(class_node, <span class="n">nil</span>)
 scope.add_ivariable(ivar_node)</code></pre>
         </div>
@@ -1050,7 +1052,7 @@ scope.add_ivariable(ivar_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L70" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L70" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1060,13 +1062,12 @@ scope.add_ivariable(ivar_node)</code></pre>
         
         def <strong>add_variable</strong>(node)
 
-        <a class="method-permalink" href="#add_variable(node)-instance-method">#</a>
+        <a class="method-permalink" href="#add_variable%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new variable in the current scope.</p>
-
 <pre><code class="language-crystal">scope <span class="o">=</span> <span class="t">Scope</span>.<span class="k">new</span>(class_node, <span class="n">nil</span>)
 scope.add_variable(var_node)</code></pre>
         </div>
@@ -1074,7 +1075,7 @@ scope.add_variable(var_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L49" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L49" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1084,7 +1085,7 @@ scope.add_variable(var_node)</code></pre>
         
         def <strong>arg?</strong>(var)
 
-        <a class="method-permalink" href="#arg?(var)-instance-method">#</a>
+        <a class="method-permalink" href="#arg%3F%28var%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1095,7 +1096,7 @@ scope.add_variable(var_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L155" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L155" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1105,7 +1106,7 @@ scope.add_variable(var_node)</code></pre>
         
         def <strong>arguments</strong> : Array(<a href="../../Ameba/AST/Argument.html">Ameba::AST::Argument</a>)
 
-        <a class="method-permalink" href="#arguments:Array(Ameba::AST::Argument)-instance-method">#</a>
+        <a class="method-permalink" href="#arguments%3AArray%28Ameba%3A%3AAST%3A%3AArgument%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1116,7 +1117,7 @@ scope.add_variable(var_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L14" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L14" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1126,13 +1127,12 @@ scope.add_variable(var_node)</code></pre>
         
         def <strong>assign_variable</strong>(name, node)
 
-        <a class="method-permalink" href="#assign_variable(name,node)-instance-method">#</a>
+        <a class="method-permalink" href="#assign_variable%28name%2Cnode%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new assignment for the variable.</p>
-
 <pre><code class="language-crystal">scope <span class="o">=</span> <span class="t">Scope</span>.<span class="k">new</span>(class_node, <span class="n">nil</span>)
 scope.assign_variable(var_name, assign_node)</code></pre>
         </div>
@@ -1140,7 +1140,7 @@ scope.assign_variable(var_name, assign_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L90" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L90" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1150,7 +1150,7 @@ scope.assign_variable(var_name, assign_node)</code></pre>
         
         def <strong>assigns_ivar?</strong>(name)
 
-        <a class="method-permalink" href="#assigns_ivar?(name)-instance-method">#</a>
+        <a class="method-permalink" href="#assigns_ivar%3F%28name%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1161,7 +1161,7 @@ scope.assign_variable(var_name, assign_node)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L119" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L119" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1171,7 +1171,7 @@ scope.assign_variable(var_name, assign_node)</code></pre>
         
         def <strong>block?</strong>
 
-        <a class="method-permalink" href="#block?-instance-method">#</a>
+        <a class="method-permalink" href="#block%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1183,7 +1183,7 @@ false if not.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L96" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L96" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1193,7 +1193,7 @@ false if not.</p>
         
         def <strong>def?</strong>
 
-        <a class="method-permalink" href="#def?-instance-method">#</a>
+        <a class="method-permalink" href="#def%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1204,7 +1204,7 @@ false if not.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L145" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L145" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1214,29 +1214,29 @@ false if not.</p>
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1246,19 +1246,19 @@ false if not.</p>
         
         def <strong>eql?</strong>(node)
 
-        <a class="method-permalink" href="#eql?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#eql%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
-          <p>Returns true if the <code><a href="../../Ameba/AST/Scope.html#node:Crystal::ASTNode-instance-method">#node</a></code> represents exactly
+          <p>Returns true if the <code><a href="../../Ameba/AST/Scope.html#node%3ACrystal%3A%3AASTNode-instance-method">#node</a></code> represents exactly
 the same Crystal node as <code>@node</code>.</p>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L174" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L174" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1268,13 +1268,12 @@ the same Crystal node as <code>@node</code>.</p>
         
         def <strong>find_variable</strong>(name : String)
 
-        <a class="method-permalink" href="#find_variable(name:String)-instance-method">#</a>
+        <a class="method-permalink" href="#find_variable%28name%3AString%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns variable by its name or nil if it does not exist.</p>
-
 <pre><code class="language-crystal">scope <span class="o">=</span> <span class="t">Scope</span>.<span class="k">new</span>(class_node, <span class="n">nil</span>)
 scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         </div>
@@ -1282,7 +1281,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L80" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L80" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1292,7 +1291,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>hash</strong>(hasher)
 
-        <a class="method-permalink" href="#hash(hasher)-instance-method">#</a>
+        <a class="method-permalink" href="#hash%28hasher%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1315,7 +1314,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>in_macro?</strong>
 
-        <a class="method-permalink" href="#in_macro?-instance-method">#</a>
+        <a class="method-permalink" href="#in_macro%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1326,7 +1325,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L114" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L114" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1336,7 +1335,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>inner_scopes</strong> : Array(<a href="../../Ameba/AST/Scope.html">Ameba::AST::Scope</a>)
 
-        <a class="method-permalink" href="#inner_scopes:Array(Ameba::AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#inner_scopes%3AArray%28Ameba%3A%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1347,7 +1346,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1357,7 +1356,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>ivariables</strong> : Array(<a href="../../Ameba/AST/InstanceVariable.html">Ameba::AST::InstanceVariable</a>)
 
-        <a class="method-permalink" href="#ivariables:Array(Ameba::AST::InstanceVariable)-instance-method">#</a>
+        <a class="method-permalink" href="#ivariables%3AArray%28Ameba%3A%3AAST%3A%3AInstanceVariable%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1368,23 +1367,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L17" target="_blank">View source</a>]
-        
-      </div>
-    </div>
-  
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
-      <div class="signature">
-        
-        def <strong>location</strong>(*args, **options, &)
-
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
-      </div>
-      
-      <br/>
-      <div>
-        
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L17" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1394,13 +1377,29 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L29" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
+      <div class="signature">
+        
+        def <strong>location</strong>(*args, **options, &)
+
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1410,7 +1409,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>node</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#node:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1421,7 +1420,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L26" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L26" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1431,7 +1430,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>outer_scope</strong> : <a href="../../Ameba/AST/Scope.html">Scope</a>?
 
-        <a class="method-permalink" href="#outer_scope:Scope?-instance-method">#</a>
+        <a class="method-permalink" href="#outer_scope%3AScope%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1442,7 +1441,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1452,7 +1451,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>references</strong> : Array(<a href="../../Ameba/AST/Reference.html">Ameba::AST::Reference</a>)
 
-        <a class="method-permalink" href="#references:Array(Ameba::AST::Reference)-instance-method">#</a>
+        <a class="method-permalink" href="#references%3AArray%28Ameba%3A%3AAST%3A%3AReference%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1463,7 +1462,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L11" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L11" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1473,7 +1472,7 @@ scope.find_variable(<span class="s">&quot;foo&quot;</span>)</code></pre>
         
         def <strong>references?</strong>(variable : <a href="../../Ameba/AST/Variable.html">Variable</a>, check_inner_scopes = <span class="n">true</span>)
 
-        <a class="method-permalink" href="#references?(variable:Variable,check_inner_scopes=true)-instance-method">#</a>
+        <a class="method-permalink" href="#references%3F%28variable%3AVariable%2Ccheck_inner_scopes%3Dtrue%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1485,7 +1484,7 @@ false if not.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L137" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L137" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1495,13 +1494,12 @@ false if not.</p>
         
         def <strong>spawn_block?</strong>
 
-        <a class="method-permalink" href="#spawn_block?-instance-method">#</a>
+        <a class="method-permalink" href="#spawn_block%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if current scope represents a spawn block, e. g.</p>
-
 <pre><code class="language-crystal">spawn <span class="k">do</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
@@ -1510,7 +1508,7 @@ false if not.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L107" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L107" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1520,29 +1518,29 @@ false if not.</p>
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1552,7 +1550,7 @@ false if not.</p>
         
         def <strong>top_level?</strong>
 
-        <a class="method-permalink" href="#top_level?-instance-method">#</a>
+        <a class="method-permalink" href="#top_level%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1563,7 +1561,7 @@ false if not.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L150" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L150" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1573,7 +1571,7 @@ false if not.</p>
         
         def <strong>type_definition?</strong>
 
-        <a class="method-permalink" href="#type_definition?-instance-method">#</a>
+        <a class="method-permalink" href="#type_definition%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1585,7 +1583,7 @@ type definition, for example a class.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L126" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L126" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1595,7 +1593,7 @@ type definition, for example a class.</p>
         
         def <strong>variables</strong> : Array(<a href="../../Ameba/AST/Variable.html">Ameba::AST::Variable</a>)
 
-        <a class="method-permalink" href="#variables:Array(Ameba::AST::Variable)-instance-method">#</a>
+        <a class="method-permalink" href="#variables%3AArray%28Ameba%3A%3AAST%3A%3AVariable%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1606,7 +1604,7 @@ type definition, for example a class.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/scope.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/scope.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/ScopeVisitor.html b/Ameba/AST/ScopeVisitor.html
index 3298b9f0..db7513ca 100644
--- a/Ameba/AST/ScopeVisitor.html
+++ b/Ameba/AST/ScopeVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -664,7 +669,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/scope_visitor.cr#L5" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/scope_visitor.cr#L5" target="_blank">
         ameba/ast/visitors/scope_visitor.cr
       </a>
     
@@ -710,7 +715,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(rule,source)-class-method" class="signature"><strong>.new</strong>(rule, source)</a>
+        <a href="#new%28rule%2Csource%29-class-method" class="signature"><strong>.new</strong>(rule, source)</a>
         
       </li>
     
@@ -731,7 +736,7 @@
   <h3>Instance methods inherited from class <code><a href="../../Ameba/AST/BaseVisitor.html">Ameba::AST::BaseVisitor</a></code></h3>
   
   
-    <a href="../../Ameba/AST/BaseVisitor.html#visit(node:Crystal::ASTNode)-instance-method" class="tooltip">
+    <a href="../../Ameba/AST/BaseVisitor.html#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method" class="tooltip">
       <span>visit(node : Crystal::ASTNode)</span>
     visit</a>
     
@@ -743,7 +748,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/AST/BaseVisitor.html">Ameba::AST::BaseVisitor</a></code></h3>
   
   
-    <a href="../../Ameba/AST/BaseVisitor.html#new(rule,source)-class-method" class="tooltip">
+    <a href="../../Ameba/AST/BaseVisitor.html#new%28rule%2Csource%29-class-method" class="tooltip">
       <span>new(rule, source)</span>
     new</a>
     
@@ -801,13 +806,13 @@
         
         def self.<strong>new</strong>(rule, source)
 
-        <a class="method-permalink" href="#new(rule,source)-class-method">#</a>
+        <a class="method-permalink" href="#new%28rule%2Csource%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/scope_visitor.cr#L12" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/scope_visitor.cr#L12" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/TopLevelNodesVisitor.html b/Ameba/AST/TopLevelNodesVisitor.html
index 02019c50..e1a3877d 100644
--- a/Ameba/AST/TopLevelNodesVisitor.html
+++ b/Ameba/AST/TopLevelNodesVisitor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -665,7 +670,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L4" target="_blank">
         ameba/ast/visitors/top_level_nodes_visitor.cr
       </a>
     
@@ -687,7 +692,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(scope:Crystal::ASTNode)-class-method" class="signature"><strong>.new</strong>(scope : Crystal::ASTNode)</a>
+        <a href="#new%28scope%3ACrystal%3A%3AASTNode%29-class-method" class="signature"><strong>.new</strong>(scope : Crystal::ASTNode)</a>
         
           <div class="summary"><p>Creates a new instance of visitor</p></div>
         
@@ -710,19 +715,19 @@ can characterize the source (i.e. require statements, modules etc.)</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#require_nodes:Array(Crystal::Require)-instance-method" class="signature"><strong>#require_nodes</strong> : Array(Crystal::Require)</a>
+        <a href="#require_nodes%3AArray%28Crystal%3A%3ARequire%29-instance-method" class="signature"><strong>#require_nodes</strong> : Array(Crystal::Require)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#visit(node:Crystal::Expressions)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Expressions)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AExpressions%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::Expressions)</a>
         
           <div class="summary"><p>If a top level node is Crystal::Expressions traverse the children.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#visit(node:Crystal::ASTNode)-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ASTNode)</a>
+        <a href="#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method" class="signature"><strong>#visit</strong>(node : Crystal::ASTNode)</a>
         
           <div class="summary"><p>A general visit method for rest of the nodes.</p></div>
         
@@ -783,7 +788,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
         
         def self.<strong>new</strong>(scope : Crystal::ASTNode)
 
-        <a class="method-permalink" href="#new(scope:Crystal::ASTNode)-class-method">#</a>
+        <a class="method-permalink" href="#new%28scope%3ACrystal%3A%3AASTNode%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -794,7 +799,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -818,13 +823,13 @@ can characterize the source (i.e. require statements, modules etc.)</p>
         
         def <strong>require_nodes</strong> : Array(Crystal::Require)
 
-        <a class="method-permalink" href="#require_nodes:Array(Crystal::Require)-instance-method">#</a>
+        <a class="method-permalink" href="#require_nodes%3AArray%28Crystal%3A%3ARequire%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -834,7 +839,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
         
         def <strong>visit</strong>(node : Crystal::Expressions)
 
-        <a class="method-permalink" href="#visit(node:Crystal::Expressions)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AExpressions%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -845,7 +850,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -855,7 +860,7 @@ can characterize the source (i.e. require statements, modules etc.)</p>
         
         def <strong>visit</strong>(node : Crystal::ASTNode)
 
-        <a class="method-permalink" href="#visit(node:Crystal::ASTNode)-instance-method">#</a>
+        <a class="method-permalink" href="#visit%28node%3ACrystal%3A%3AASTNode%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -867,7 +872,7 @@ Returns false meaning all child nodes will not be traversed.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/visitors/top_level_nodes_visitor.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Util.html b/Ameba/AST/Util.html
index b8618e2b..e561f14e 100644
--- a/Ameba/AST/Util.html
+++ b/Ameba/AST/Util.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -665,6 +670,8 @@
     
       <li class="other-type"><a href="../../Ameba/AST/FlowExpressionVisitor.html">Ameba::AST::FlowExpressionVisitor</a></li>
     
+      <li class="other-type"><a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">Ameba::Rule::Lint::AmbiguousAssignment</a></li>
+    
       <li class="other-type"><a href="../../Ameba/Rule/Lint/EmptyExpression.html">Ameba::Rule::Lint::EmptyExpression</a></li>
     
       <li class="other-type"><a href="../../Ameba/Rule/Lint/EmptyLoop.html">Ameba::Rule::Lint::EmptyLoop</a></li>
@@ -694,7 +701,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L2" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L2" target="_blank">
         ameba/ast/util.cr
       </a>
     
@@ -720,61 +727,68 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#abort?(node)-instance-method" class="signature"><strong>#abort?</strong>(node)</a>
+        <a href="#abort%3F%28node%29-instance-method" class="signature"><strong>#abort?</strong>(node)</a>
         
           <div class="summary"><p>Returns true if node represents <code>abort</code> method call.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exit?(node)-instance-method" class="signature"><strong>#exit?</strong>(node)</a>
+        <a href="#exit%3F%28node%29-instance-method" class="signature"><strong>#exit?</strong>(node)</a>
         
           <div class="summary"><p>Returns true if node represents <code>exit</code> method call.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#flow_command?(node,in_loop)-instance-method" class="signature"><strong>#flow_command?</strong>(node, in_loop)</a>
+        <a href="#flow_command%3F%28node%2Cin_loop%29-instance-method" class="signature"><strong>#flow_command?</strong>(node, in_loop)</a>
         
           <div class="summary"><p>Returns true if node is a flow command, false - otherwise.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#flow_expression?(node,in_loop=false)-instance-method" class="signature"><strong>#flow_expression?</strong>(node, in_loop = <span class="n">false</span>)</a>
+        <a href="#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="signature"><strong>#flow_expression?</strong>(node, in_loop = <span class="n">false</span>)</a>
         
           <div class="summary"><p>Returns true if node is a flow expression, false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#literal?(node)-instance-method" class="signature"><strong>#literal?</strong>(node)</a>
+        <a href="#literal%3F%28node%29-instance-method" class="signature"><strong>#literal?</strong>(node)</a>
         
           <div class="summary"><p>Returns true if current <code>node</code> is a literal, false otherwise.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#loop?(node)-instance-method" class="signature"><strong>#loop?</strong>(node)</a>
+        <a href="#loop%3F%28node%29-instance-method" class="signature"><strong>#loop?</strong>(node)</a>
         
           <div class="summary"><p>Returns true if node represents a loop.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node_source(node,code_lines)-instance-method" class="signature"><strong>#node_source</strong>(node, code_lines)</a>
+        <a href="#node_source%28node%2Ccode_lines%29-instance-method" class="signature"><strong>#node_source</strong>(node, code_lines)</a>
         
           <div class="summary"><p>Returns a source code for the current node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#raise?(node)-instance-method" class="signature"><strong>#raise?</strong>(node)</a>
+        <a href="#raise%3F%28node%29-instance-method" class="signature"><strong>#raise?</strong>(node)</a>
         
           <div class="summary"><p>Returns true if node represents <code>raise</code> method call.</p></div>
         
       </li>
     
+      <li class="entry-summary">
+        <a href="#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="signature"><strong>#source_between</strong>(loc, end_loc, code_lines) : String?</a>
+        
+          <div class="summary"><p>Returns the source code from <em>loc</em> to <em>end_loc</em> (inclusive).</p></div>
+        
+      </li>
+    
   </ul>
 
 
@@ -804,7 +818,7 @@
         
         def <strong>abort?</strong>(node)
 
-        <a class="method-permalink" href="#abort?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#abort%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -815,7 +829,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L140" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L145" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -825,7 +839,7 @@
         
         def <strong>exit?</strong>(node)
 
-        <a class="method-permalink" href="#exit?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#exit%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -836,7 +850,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L134" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L139" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -846,7 +860,7 @@
         
         def <strong>flow_command?</strong>(node, in_loop)
 
-        <a class="method-permalink" href="#flow_command?(node,in_loop)-instance-method">#</a>
+        <a class="method-permalink" href="#flow_command%3F%28node%2Cin_loop%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -859,7 +873,7 @@ or special call node that interrupts execution (i.e. raise, exit, abort).</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L62" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L67" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -869,17 +883,15 @@ or special call node that interrupts execution (i.e. raise, exit, abort).</p>
         
         def <strong>flow_expression?</strong>(node, in_loop = <span class="n">false</span>)
 
-        <a class="method-permalink" href="#flow_expression?(node,in_loop=false)-instance-method">#</a>
+        <a class="method-permalink" href="#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if node is a flow expression, false if not.
 Node represents a flow expression if it is full-filled by a flow command.</p>
-
 <p>For example, this node is a flow expression, because each branch contains
 a flow command <code>return</code>:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> a <span class="o">&gt;</span> <span class="n">0</span>
   <span class="k">return</span> <span class="n">:positive</span>
 <span class="k">elsif</span> a <span class="o">&lt;</span> <span class="n">0</span>
@@ -887,20 +899,17 @@ a flow command <code>return</code>:</p>
 <span class="k">else</span>
   <span class="k">return</span> <span class="n">:zero</span>
 <span class="k">end</span></code></pre>
-
 <p>This node is a not a flow expression:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> a <span class="o">&gt;</span> <span class="n">0</span>
   <span class="k">return</span> <span class="n">:positive</span>
 <span class="k">end</span></code></pre>
-
 <p>That's because not all branches return(i.e. <code>else</code> is missing).</p>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L100" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L105" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -910,7 +919,7 @@ a flow command <code>return</code>:</p>
         
         def <strong>literal?</strong>(node)
 
-        <a class="method-permalink" href="#literal?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#literal%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -921,7 +930,7 @@ a flow command <code>return</code>:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L4" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L4" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -931,7 +940,7 @@ a flow command <code>return</code>:</p>
         
         def <strong>loop?</strong>(node)
 
-        <a class="method-permalink" href="#loop?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#loop%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -942,7 +951,7 @@ a flow command <code>return</code>:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L146" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L151" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -952,7 +961,7 @@ a flow command <code>return</code>:</p>
         
         def <strong>node_source</strong>(node, code_lines)
 
-        <a class="method-permalink" href="#node_source(node,code_lines)-instance-method">#</a>
+        <a class="method-permalink" href="#node_source%28node%2Ccode_lines%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -965,7 +974,7 @@ to determine and cut a piece of source of the node.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L33" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L33" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -975,7 +984,7 @@ to determine and cut a piece of source of the node.</p>
         
         def <strong>raise?</strong>(node)
 
-        <a class="method-permalink" href="#raise?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#raise%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -986,7 +995,28 @@ to determine and cut a piece of source of the node.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/util.cr#L128" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L133" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="source_between(loc,end_loc,code_lines):String?-instance-method">
+      <div class="signature">
+        
+        def <strong>source_between</strong>(loc, end_loc, code_lines) : String?
+
+        <a class="method-permalink" href="#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>Returns the source code from <em>loc</em> to <em>end_loc</em> (inclusive).</p>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/util.cr#L42" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/AST/Variable.html b/Ameba/AST/Variable.html
index 8b1dac83..07d41287 100644
--- a/Ameba/AST/Variable.html
+++ b/Ameba/AST/Variable.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -679,7 +684,7 @@ Holds the var node and variable assigments.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L4" target="_blank">
         ameba/ast/variabling/variable.cr
       </a>
     
@@ -701,7 +706,7 @@ Holds the var node and variable assigments.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(node,scope)-class-method" class="signature"><strong>.new</strong>(node, scope)</a>
+        <a href="#new%28node%2Cscope%29-class-method" class="signature"><strong>.new</strong>(node, scope)</a>
         
           <div class="summary"><p>Creates a new variable(in the scope).</p></div>
         
@@ -724,152 +729,152 @@ Holds the var node and variable assigments.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#assign(node,scope)-instance-method" class="signature"><strong>#assign</strong>(node, scope)</a>
+        <a href="#assign%28node%2Cscope%29-instance-method" class="signature"><strong>#assign</strong>(node, scope)</a>
         
           <div class="summary"><p>Assigns the variable (creates a new assignment).</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#assign_before_reference:Crystal::ASTNode?-instance-method" class="signature"><strong>#assign_before_reference</strong> : Crystal::ASTNode?</a>
+        <a href="#assign_before_reference%3ACrystal%3A%3AASTNode%3F-instance-method" class="signature"><strong>#assign_before_reference</strong> : Crystal::ASTNode?</a>
         
           <div class="summary"><p>Node of the first assignment which can be available before any reference.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#assignments:Array(Ameba::AST::Assignment)-instance-method" class="signature"><strong>#assignments</strong> : Array(Ameba::AST::Assignment)</a>
+        <a href="#assignments%3AArray%28Ameba%3A%3AAST%3A%3AAssignment%29-instance-method" class="signature"><strong>#assignments</strong> : Array(Ameba::AST::Assignment)</a>
         
           <div class="summary"><p>List of the assigments of this variable.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#captured_by_block?(scope=@scope)-instance-method" class="signature"><strong>#captured_by_block?</strong>(scope = @scope)</a>
+        <a href="#captured_by_block%3F%28scope%3D%40scope%29-instance-method" class="signature"><strong>#captured_by_block?</strong>(scope = @scope)</a>
         
           <div class="summary"><p>Returns true if the current var is referenced in in the block.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#declared_before?(node)-instance-method" class="signature"><strong>#declared_before?</strong>(node)</a>
+        <a href="#declared_before%3F%28node%29-instance-method" class="signature"><strong>#declared_before?</strong>(node)</a>
         
-          <div class="summary"><p>Returns true if the variable is declared before the <code><a href="../../Ameba/AST/Variable.html#node:Crystal::Var-instance-method">#node</a></code>.</p></div>
+          <div class="summary"><p>Returns true if the variable is declared before the <code><a href="../../Ameba/AST/Variable.html#node%3ACrystal%3A%3AVar-instance-method">#node</a></code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location(*args,**options,&)-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
+        <a href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#end_location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#eql?(node)-instance-method" class="signature"><strong>#eql?</strong>(node)</a>
+        <a href="#eql%3F%28node%29-instance-method" class="signature"><strong>#eql?</strong>(node)</a>
         
-          <div class="summary"><p>Returns true if the <code><a href="../../Ameba/AST/Variable.html#node:Crystal::Var-instance-method">#node</a></code> represents exactly the same Crystal node as <code>@node</code>.</p></div>
+          <div class="summary"><p>Returns true if the <code><a href="../../Ameba/AST/Variable.html#node%3ACrystal%3A%3AVar-instance-method">#node</a></code> represents exactly the same Crystal node as <code>@node</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignored?-instance-method" class="signature"><strong>#ignored?</strong></a>
+        <a href="#ignored%3F-instance-method" class="signature"><strong>#ignored?</strong></a>
         
           <div class="summary"><p>Returns true if the name starts with '_', false if not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options)-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#location</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location(*args,**options,&)-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
+        <a href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#location</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#name(*args,**options)-instance-method" class="signature"><strong>#name</strong>(*args, **options)</a>
+        <a href="#name%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#name</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#name(*args,**options,&)-instance-method" class="signature"><strong>#name</strong>(*args, **options, &)</a>
+        <a href="#name%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#name</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#node:Crystal::Var-instance-method" class="signature"><strong>#node</strong> : Crystal::Var</a>
+        <a href="#node%3ACrystal%3A%3AVar-instance-method" class="signature"><strong>#node</strong> : Crystal::Var</a>
         
           <div class="summary"><p>The actual var node.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#reference(node:Crystal::Var,scope:Scope)-instance-method" class="signature"><strong>#reference</strong>(node : Crystal::Var, scope : Scope)</a>
+        <a href="#reference%28node%3ACrystal%3A%3AVar%2Cscope%3AScope%29-instance-method" class="signature"><strong>#reference</strong>(node : Crystal::Var, scope : Scope)</a>
         
           <div class="summary"><p>Creates a reference to this variable in some scope.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#reference_assignments!-instance-method" class="signature"><strong>#reference_assignments!</strong></a>
+        <a href="#reference_assignments%21-instance-method" class="signature"><strong>#reference_assignments!</strong></a>
         
           <div class="summary"><p>Reference variable's assignments.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#referenced?-instance-method" class="signature"><strong>#referenced?</strong></a>
+        <a href="#referenced%3F-instance-method" class="signature"><strong>#referenced?</strong></a>
         
           <div class="summary"><p>Returns true if variable has any reference.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#references:Array(Ameba::AST::Reference)-instance-method" class="signature"><strong>#references</strong> : Array(Ameba::AST::Reference)</a>
+        <a href="#references%3AArray%28Ameba%3A%3AAST%3A%3AReference%29-instance-method" class="signature"><strong>#references</strong> : Array(Ameba::AST::Reference)</a>
         
           <div class="summary"><p>List of the references of this variable.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#scope:Scope-instance-method" class="signature"><strong>#scope</strong> : Scope</a>
+        <a href="#scope%3AScope-instance-method" class="signature"><strong>#scope</strong> : Scope</a>
         
           <div class="summary"><p>Scope of this variable.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#special?-instance-method" class="signature"><strong>#special?</strong></a>
+        <a href="#special%3F-instance-method" class="signature"><strong>#special?</strong></a>
         
           <div class="summary"><p>Returns true if it is a special variable, i.e <code>$?</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#target_of?(assign)-instance-method" class="signature"><strong>#target_of?</strong>(assign)</a>
+        <a href="#target_of%3F%28assign%29-instance-method" class="signature"><strong>#target_of?</strong>(assign)</a>
         
           <div class="summary"><p>Returns true if the variable is a target (on the left) of the assignment, false otherwise.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_s(*args,**options,&)-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
+        <a href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#to_s</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#used_in_macro?(scope=@scope)-instance-method" class="signature"><strong>#used_in_macro?</strong>(scope = @scope)</a>
+        <a href="#used_in_macro%3F%28scope%3D%40scope%29-instance-method" class="signature"><strong>#used_in_macro?</strong>(scope = @scope)</a>
         
           <div class="summary"><p>Returns true if current variable potentially referenced in a macro, false if not.</p></div>
         
@@ -920,20 +925,19 @@ Holds the var node and variable assigments.</p>
         
         def self.<strong>new</strong>(node, scope)
 
-        <a class="method-permalink" href="#new(node,scope)-class-method">#</a>
+        <a class="method-permalink" href="#new%28node%2Cscope%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a new variable(in the scope).</p>
-
 <pre><code class="language-crystal"><span class="t">Variable</span>.<span class="k">new</span>(node, scope)</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -957,14 +961,13 @@ Holds the var node and variable assigments.</p>
         
         def <strong>assign</strong>(node, scope)
 
-        <a class="method-permalink" href="#assign(node,scope)-instance-method">#</a>
+        <a class="method-permalink" href="#assign%28node%2Cscope%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Assigns the variable (creates a new assignment).
 Variable may have multiple assignments.</p>
-
 <pre><code class="language-crystal">variable <span class="o">=</span> <span class="t">Variable</span>.<span class="k">new</span>(node, scope)
 variable.assign(node1)
 variable.assign(node2)
@@ -974,7 +977,7 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -984,7 +987,7 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
         
         def <strong>assign_before_reference</strong> : Crystal::ASTNode?
 
-        <a class="method-permalink" href="#assign_before_reference:Crystal::ASTNode?-instance-method">#</a>
+        <a class="method-permalink" href="#assign_before_reference%3ACrystal%3A%3AASTNode%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -995,7 +998,7 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1005,7 +1008,7 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
         
         def <strong>assignments</strong> : Array(<a href="../../Ameba/AST/Assignment.html">Ameba::AST::Assignment</a>)
 
-        <a class="method-permalink" href="#assignments:Array(Ameba::AST::Assignment)-instance-method">#</a>
+        <a class="method-permalink" href="#assignments%3AArray%28Ameba%3A%3AAST%3A%3AAssignment%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1016,7 +1019,7 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L6" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L6" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1026,7 +1029,7 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
         
         def <strong>captured_by_block?</strong>(scope = @scope)
 
-        <a class="method-permalink" href="#captured_by_block?(scope=@scope)-instance-method">#</a>
+        <a class="method-permalink" href="#captured_by_block%3F%28scope%3D%40scope%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1034,12 +1037,9 @@ variable.assignment.size <span class="c"># =&gt; 2</span></code></pre>
           <p>Returns true if the current var is referenced in
 in the block. For example this variable is captured
 by block:</p>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 <span class="n">3</span>.times { <span class="o">|</span>i<span class="o">|</span> a <span class="o">=</span> a <span class="o">+</span> i }</code></pre>
-
 <p>And this variable is not captured by block.</p>
-
 <pre><code class="language-crystal">i <span class="o">=</span> <span class="n">1</span>
 <span class="n">3</span>.times { <span class="o">|</span>i<span class="o">|</span> i <span class="o">+</span> <span class="n">1</span> }</code></pre>
         </div>
@@ -1047,7 +1047,7 @@ by block:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L111" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L111" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1057,18 +1057,18 @@ by block:</p>
         
         def <strong>declared_before?</strong>(node)
 
-        <a class="method-permalink" href="#declared_before?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#declared_before%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
-          <p>Returns true if the variable is declared before the <code><a href="../../Ameba/AST/Variable.html#node:Crystal::Var-instance-method">#node</a></code>.</p>
+          <p>Returns true if the variable is declared before the <code><a href="../../Ameba/AST/Variable.html#node%3ACrystal%3A%3AVar-instance-method">#node</a></code>.</p>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L158" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L158" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1078,29 +1078,29 @@ by block:</p>
         
         def <strong>end_location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#end_location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L21" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L21" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="end_location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="end_location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>end_location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#end_location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L21" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L21" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1110,19 +1110,19 @@ by block:</p>
         
         def <strong>eql?</strong>(node)
 
-        <a class="method-permalink" href="#eql?(node)-instance-method">#</a>
+        <a class="method-permalink" href="#eql%3F%28node%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
-          <p>Returns true if the <code><a href="../../Ameba/AST/Variable.html#node:Crystal::Var-instance-method">#node</a></code> represents exactly
+          <p>Returns true if the <code><a href="../../Ameba/AST/Variable.html#node%3ACrystal%3A%3AVar-instance-method">#node</a></code> represents exactly
 the same Crystal node as <code>@node</code>.</p>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L151" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L151" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1132,7 +1132,7 @@ the same Crystal node as <code>@node</code>.</p>
         
         def <strong>ignored?</strong>
 
-        <a class="method-permalink" href="#ignored?-instance-method">#</a>
+        <a class="method-permalink" href="#ignored%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1143,7 +1143,7 @@ the same Crystal node as <code>@node</code>.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L145" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L145" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1153,29 +1153,29 @@ the same Crystal node as <code>@node</code>.</p>
         
         def <strong>location</strong>(*args, **options)
 
-        <a class="method-permalink" href="#location(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="location(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="location(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>location</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#location(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#location%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1185,29 +1185,29 @@ the same Crystal node as <code>@node</code>.</p>
         
         def <strong>name</strong>(*args, **options)
 
-        <a class="method-permalink" href="#name(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#name%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="name(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="name(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>name</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#name(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#name%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1217,7 +1217,7 @@ the same Crystal node as <code>@node</code>.</p>
         
         def <strong>node</strong> : Crystal::Var
 
-        <a class="method-permalink" href="#node:Crystal::Var-instance-method">#</a>
+        <a class="method-permalink" href="#node%3ACrystal%3A%3AVar-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1228,7 +1228,7 @@ the same Crystal node as <code>@node</code>.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L12" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L12" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1238,13 +1238,12 @@ the same Crystal node as <code>@node</code>.</p>
         
         def <strong>reference</strong>(node : Crystal::Var, scope : <a href="../../Ameba/AST/Scope.html">Scope</a>)
 
-        <a class="method-permalink" href="#reference(node:Crystal::Var,scope:Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#reference%28node%3ACrystal%3A%3AVar%2Cscope%3AScope%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates a reference to this variable in some scope.</p>
-
 <pre><code class="language-crystal">variable <span class="o">=</span> <span class="t">Variable</span>.<span class="k">new</span>(node, scope)
 variable.reference(var_node, some_scope)</code></pre>
         </div>
@@ -1252,7 +1251,7 @@ variable.reference(var_node, some_scope)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L70" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L70" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1262,13 +1261,12 @@ variable.reference(var_node, some_scope)</code></pre>
         
         def <strong>reference_assignments!</strong>
 
-        <a class="method-permalink" href="#reference_assignments!-instance-method">#</a>
+        <a class="method-permalink" href="#reference_assignments%21-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Reference variable's assignments.</p>
-
 <pre><code class="language-crystal">variable <span class="o">=</span> <span class="t">Variable</span>.<span class="k">new</span>(node, scope)
 variable.assign(assign_node)
 variable.reference_assignments!</code></pre>
@@ -1277,7 +1275,7 @@ variable.reference_assignments!</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L84" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L84" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1287,13 +1285,12 @@ variable.reference_assignments!</code></pre>
         
         def <strong>referenced?</strong>
 
-        <a class="method-permalink" href="#referenced?-instance-method">#</a>
+        <a class="method-permalink" href="#referenced%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if variable has any reference.</p>
-
 <pre><code class="language-crystal">variable <span class="o">=</span> <span class="t">Variable</span>.<span class="k">new</span>(node, scope)
 variable.reference(var_node)
 variable.referenced? <span class="c"># =&gt; true</span></code></pre>
@@ -1302,7 +1299,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L60" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L60" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1312,7 +1309,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
         
         def <strong>references</strong> : Array(<a href="../../Ameba/AST/Reference.html">Ameba::AST::Reference</a>)
 
-        <a class="method-permalink" href="#references:Array(Ameba::AST::Reference)-instance-method">#</a>
+        <a class="method-permalink" href="#references%3AArray%28Ameba%3A%3AAST%3A%3AReference%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1323,7 +1320,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L9" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L9" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1333,7 +1330,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
         
         def <strong>scope</strong> : <a href="../../Ameba/AST/Scope.html">Scope</a>
 
-        <a class="method-permalink" href="#scope:Scope-instance-method">#</a>
+        <a class="method-permalink" href="#scope%3AScope-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1344,7 +1341,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L15" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L15" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1354,7 +1351,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
         
         def <strong>special?</strong>
 
-        <a class="method-permalink" href="#special?-instance-method">#</a>
+        <a class="method-permalink" href="#special%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1365,7 +1362,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L34" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L34" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1375,7 +1372,7 @@ variable.referenced? <span class="c"># =&gt; true</span></code></pre>
         
         def <strong>target_of?</strong>(assign)
 
-        <a class="method-permalink" href="#target_of?(assign)-instance-method">#</a>
+        <a class="method-permalink" href="#target_of%3F%28assign%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1387,7 +1384,7 @@ false otherwise.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L133" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L133" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1397,29 +1394,29 @@ false otherwise.</p>
         
         def <strong>to_s</strong>(*args, **options)
 
-        <a class="method-permalink" href="#to_s(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="to_s(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="to_s(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>to_s</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#to_s(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#to_s%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1429,7 +1426,7 @@ false otherwise.</p>
         
         def <strong>used_in_macro?</strong>(scope = @scope)
 
-        <a class="method-permalink" href="#used_in_macro?(scope=@scope)-instance-method">#</a>
+        <a class="method-permalink" href="#used_in_macro%3F%28scope%3D%40scope%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1441,7 +1438,7 @@ false if not.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/ast/variabling/variable.cr#L122" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/ast/variabling/variable.cr#L122" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Config.html b/Ameba/Config.html
index f15ab544..463fc12a 100644
--- a/Ameba/Config.html
+++ b/Ameba/Config.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,12 +645,9 @@
   </h2>
 
   <p>A configuration entry for <code><a href="../Ameba/Runner.html">Ameba::Runner</a></code>.</p>
-
 <p>Config can be loaded from configuration YAML file and adjusted.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Config</span>.load
 config.formatter <span class="o">=</span> my_formatter</code></pre>
-
 <p>By default config loads <code>.ameba.yml</code> file in a current directory.</p>
 
 
@@ -685,7 +687,7 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L15" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L15" target="_blank">
         ameba/config.cr
       </a>
     
@@ -743,7 +745,7 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
       </li>
     
       <li class="entry-summary">
-        <a href="#load(path=PATH,colors=true)-class-method" class="signature"><strong>.load</strong>(path = <span class="t">PATH</span>, colors = <span class="n">true</span>)</a>
+        <a href="#load%28path%3DPATH%2Ccolors%3Dtrue%29-class-method" class="signature"><strong>.load</strong>(path = <span class="t">PATH</span>, colors = <span class="n">true</span>)</a>
         
           <div class="summary"><p>Loads YAML configuration file by <code>path</code>.</p></div>
         
@@ -764,66 +766,66 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)-instance-method" class="signature"><strong>#excluded</strong> : Array(String)</a>
+        <a href="#excluded%3AArray%28String%29-instance-method" class="signature"><strong>#excluded</strong> : Array(String)</a>
         
           <div class="summary"><p>Represents a list of paths to exclude from globs.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String))-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String))</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String))</a>
         
           <div class="summary"><p>Represents a list of paths to exclude from globs.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#formatter:Formatter::BaseFormatter-instance-method" class="signature"><strong>#formatter</strong> : Formatter::BaseFormatter</a>
+        <a href="#formatter%3AFormatter%3A%3ABaseFormatter-instance-method" class="signature"><strong>#formatter</strong> : Formatter::BaseFormatter</a>
         
           <div class="summary"><p>Returns a formatter to be used while inspecting files.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#formatter=(name:String%7CSymbol)-instance-method" class="signature"><strong>#formatter=</strong>(name : String | Symbol)</a>
+        <a href="#formatter%3D%28name%3AString%7CSymbol%29-instance-method" class="signature"><strong>#formatter=</strong>(name : String | Symbol)</a>
         
           <div class="summary"><p>Sets formatter by name.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#formatter=(formatter:Formatter::BaseFormatter)-instance-method" class="signature"><strong>#formatter=</strong>(formatter : Formatter::BaseFormatter)</a>
+        <a href="#formatter%3D%28formatter%3AFormatter%3A%3ABaseFormatter%29-instance-method" class="signature"><strong>#formatter=</strong>(formatter : Formatter::BaseFormatter)</a>
         
           <div class="summary"><p>Returns a formatter to be used while inspecting files.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#globs:Array(String)-instance-method" class="signature"><strong>#globs</strong> : Array(String)</a>
+        <a href="#globs%3AArray%28String%29-instance-method" class="signature"><strong>#globs</strong> : Array(String)</a>
         
           <div class="summary"><p>Returns a list of paths (with wildcards) to files.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#globs=(globs:Array(String))-instance-method" class="signature"><strong>#globs=</strong>(globs : Array(String))</a>
+        <a href="#globs%3D%28globs%3AArray%28String%29%29-instance-method" class="signature"><strong>#globs=</strong>(globs : Array(String))</a>
         
           <div class="summary"><p>Returns a list of paths (with wildcards) to files.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#rules:Array(Rule::Base)-instance-method" class="signature"><strong>#rules</strong> : Array(Rule::Base)</a>
+        <a href="#rules%3AArray%28Rule%3A%3ABase%29-instance-method" class="signature"><strong>#rules</strong> : Array(Rule::Base)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
@@ -835,14 +837,14 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
       </li>
     
       <li class="entry-summary">
-        <a href="#update_rule(name,enabled=true,excluded=nil)-instance-method" class="signature"><strong>#update_rule</strong>(name, enabled = <span class="n">true</span>, excluded = <span class="n">nil</span>)</a>
+        <a href="#update_rule%28name%2Cenabled%3Dtrue%2Cexcluded%3Dnil%29-instance-method" class="signature"><strong>#update_rule</strong>(name, enabled = <span class="n">true</span>, excluded = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>Updates rule properties.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#update_rules(names,enabled=true,excluded=nil)-instance-method" class="signature"><strong>#update_rules</strong>(names, enabled = <span class="n">true</span>, excluded = <span class="n">nil</span>)</a>
+        <a href="#update_rules%28names%2Cenabled%3Dtrue%2Cexcluded%3Dnil%29-instance-method" class="signature"><strong>#update_rules</strong>(names, enabled = <span class="n">true</span>, excluded = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>Updates rules properties.</p></div>
         
@@ -861,12 +863,12 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
   <h3>Instance methods inherited from module <code><a href="../Ameba/GlobUtils.html">Ameba::GlobUtils</a></code></h3>
   
   
-    <a href="../Ameba/GlobUtils.html#expand(globs)-instance-method" class="tooltip">
+    <a href="../Ameba/GlobUtils.html#expand%28globs%29-instance-method" class="tooltip">
       <span>expand(globs)</span>
     expand</a>, 
     
   
-    <a href="../Ameba/GlobUtils.html#find_files_by_globs(globs)-instance-method" class="tooltip">
+    <a href="../Ameba/GlobUtils.html#find_files_by_globs%28globs%29-instance-method" class="tooltip">
       <span>find_files_by_globs(globs)</span>
     find_files_by_globs</a>
     
@@ -925,7 +927,7 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L86" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L86" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -935,20 +937,19 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
         
         def self.<strong>load</strong>(path = <span class="t">PATH</span>, colors = <span class="n">true</span>)
 
-        <a class="method-permalink" href="#load(path=PATH,colors=true)-class-method">#</a>
+        <a class="method-permalink" href="#load%28path%3DPATH%2Ccolors%3Dtrue%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Loads YAML configuration file by <code>path</code>.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L78" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L78" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -970,14 +971,13 @@ config.formatter <span class="o">=</span> my_formatter</code></pre>
         
         def <strong>excluded</strong> : Array(String)
 
-        <a class="method-permalink" href="#excluded:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Represents a list of paths to exclude from globs.
 Can have wildcards.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.excluded <span class="o">=</span> [<span class="s">&quot;spec&quot;</span>, <span class="s">&quot;src/server/*.cr&quot;</span>]</code></pre>
         </div>
@@ -985,7 +985,7 @@ config.excluded <span class="o">=</span> [<span class="s">&quot;spec&quot;</span
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L55" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L55" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -995,14 +995,13 @@ config.excluded <span class="o">=</span> [<span class="s">&quot;spec&quot;</span
         
         def <strong>excluded=</strong>(excluded : Array(String))
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Represents a list of paths to exclude from globs.
 Can have wildcards.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.excluded <span class="o">=</span> [<span class="s">&quot;spec&quot;</span>, <span class="s">&quot;src/server/*.cr&quot;</span>]</code></pre>
         </div>
@@ -1010,7 +1009,7 @@ config.excluded <span class="o">=</span> [<span class="s">&quot;spec&quot;</span
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L55" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L55" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1020,14 +1019,13 @@ config.excluded <span class="o">=</span> [<span class="s">&quot;spec&quot;</span
         
         def <strong>formatter</strong> : <a href="../Ameba/Formatter/BaseFormatter.html">Formatter::BaseFormatter</a>
 
-        <a class="method-permalink" href="#formatter:Formatter::BaseFormatter-instance-method">#</a>
+        <a class="method-permalink" href="#formatter%3AFormatter%3A%3ABaseFormatter-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns a formatter to be used while inspecting files.
 If formatter is not set, it will return default formatter.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.formatter <span class="o">=</span> custom_formatter
 config.formatter</code></pre>
@@ -1036,7 +1034,7 @@ config.formatter</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L113" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L113" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1046,13 +1044,12 @@ config.formatter</code></pre>
         
         def <strong>formatter=</strong>(name : String | Symbol)
 
-        <a class="method-permalink" href="#formatter=(name:String%7CSymbol)-instance-method">#</a>
+        <a class="method-permalink" href="#formatter%3D%28name%3AString%7CSymbol%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Sets formatter by name.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.formatter <span class="o">=</span> <span class="n">:progress</span></code></pre>
         </div>
@@ -1060,7 +1057,7 @@ config.formatter <span class="o">=</span> <span class="n">:progress</span></code
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L123" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L123" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1070,14 +1067,13 @@ config.formatter <span class="o">=</span> <span class="n">:progress</span></code
         
         def <strong>formatter=</strong>(formatter : <a href="../Ameba/Formatter/BaseFormatter.html">Formatter::BaseFormatter</a>)
 
-        <a class="method-permalink" href="#formatter=(formatter:Formatter::BaseFormatter)-instance-method">#</a>
+        <a class="method-permalink" href="#formatter%3D%28formatter%3AFormatter%3A%3ABaseFormatter%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns a formatter to be used while inspecting files.
 If formatter is not set, it will return default formatter.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.formatter <span class="o">=</span> custom_formatter
 config.formatter</code></pre>
@@ -1086,7 +1082,7 @@ config.formatter</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L113" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L113" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1096,7 +1092,7 @@ config.formatter</code></pre>
         
         def <strong>globs</strong> : Array(String)
 
-        <a class="method-permalink" href="#globs:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#globs%3AArray%28String%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1104,7 +1100,6 @@ config.formatter</code></pre>
           <p>Returns a list of paths (with wildcards) to files.
 Represents a list of sources to be inspected.
 If globs are not set, it will return default list of files.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.globs <span class="o">=</span> [<span class="s">&quot;**/*.cr&quot;</span>]
 config.globs</code></pre>
@@ -1113,7 +1108,7 @@ config.globs</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L46" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L46" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1123,7 +1118,7 @@ config.globs</code></pre>
         
         def <strong>globs=</strong>(globs : Array(String))
 
-        <a class="method-permalink" href="#globs=(globs:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#globs%3D%28globs%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1131,7 +1126,6 @@ config.globs</code></pre>
           <p>Returns a list of paths (with wildcards) to files.
 Represents a list of sources to be inspected.
 If globs are not set, it will return default list of files.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.globs <span class="o">=</span> [<span class="s">&quot;**/*.cr&quot;</span>]
 config.globs</code></pre>
@@ -1140,7 +1134,7 @@ config.globs</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L46" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L46" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1150,13 +1144,13 @@ config.globs</code></pre>
         
         def <strong>rules</strong> : Array(<a href="../Ameba/Rule/Base.html">Rule::Base</a>)
 
-        <a class="method-permalink" href="#rules:Array(Rule::Base)-instance-method">#</a>
+        <a class="method-permalink" href="#rules%3AArray%28Rule%3A%3ABase%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L34" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L34" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1166,13 +1160,13 @@ config.globs</code></pre>
         
         def <strong>severity</strong> : <a href="../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1182,13 +1176,13 @@ config.globs</code></pre>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1204,7 +1198,6 @@ config.globs</code></pre>
         <div class="doc">
           
           <p>Returns a list of sources matching globs and excluded sections.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.sources <span class="c"># =&gt; list of default sources</span>
 config.globs <span class="o">=</span> [<span class="s">&quot;**/*.cr&quot;</span>]
@@ -1215,7 +1208,7 @@ config.sources <span class="c"># =&gt; list of sources pointing to files found b
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L99" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L99" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1225,13 +1218,12 @@ config.sources <span class="c"># =&gt; list of sources pointing to files found b
         
         def <strong>update_rule</strong>(name, enabled = <span class="n">true</span>, excluded = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#update_rule(name,enabled=true,excluded=nil)-instance-method">#</a>
+        <a class="method-permalink" href="#update_rule%28name%2Cenabled%3Dtrue%2Cexcluded%3Dnil%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Updates rule properties.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.update_rule <span class="s">&quot;MyRuleName&quot;</span>, enabled: <span class="n">false</span></code></pre>
         </div>
@@ -1239,7 +1231,7 @@ config.update_rule <span class="s">&quot;MyRuleName&quot;</span>, enabled: <span
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L137" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L137" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1249,25 +1241,22 @@ config.update_rule <span class="s">&quot;MyRuleName&quot;</span>, enabled: <span
         
         def <strong>update_rules</strong>(names, enabled = <span class="n">true</span>, excluded = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#update_rules(names,enabled=true,excluded=nil)-instance-method">#</a>
+        <a class="method-permalink" href="#update_rules%28names%2Cenabled%3Dtrue%2Cexcluded%3Dnil%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Updates rules properties.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.update_rules <span class="s">%w(Rule1 Rule2)</span>, enabled: <span class="n">true</span></code></pre>
-
 <p>also it allows to update groups of rules:</p>
-
 <pre><code class="language-crystal">config.update_rules <span class="s">%w(Group1 Group2)</span>, enabled: <span class="n">true</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L158" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/config.cr#L158" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter.html b/Ameba/Formatter.html
index 9900cc46..45ca2cc5 100644
--- a/Ameba/Formatter.html
+++ b/Ameba/Formatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -662,56 +667,56 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L4" target="_blank">
         ameba/formatter/base_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/disabled_formatter.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/disabled_formatter.cr#L1" target="_blank">
         ameba/formatter/disabled_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L3" target="_blank">
         ameba/formatter/dot_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L3" target="_blank">
         ameba/formatter/explain_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/flycheck_formatter.cr#L1" target="_blank">
         ameba/formatter/flycheck_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L3" target="_blank">
         ameba/formatter/json_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/todo_formatter.cr#L1" target="_blank">
         ameba/formatter/todo_formatter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/util.cr#L1" target="_blank">
         ameba/formatter/util.cr
       </a>
     
diff --git a/Ameba/Formatter/BaseFormatter.html b/Ameba/Formatter/BaseFormatter.html
index 234fd1a5..a8bcc055 100644
--- a/Ameba/Formatter/BaseFormatter.html
+++ b/Ameba/Formatter/BaseFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -639,7 +644,7 @@
     Overview
   </h2>
 
-  <p>A base formatter for all formatters. It uses <code><a href="../../Ameba/Formatter/BaseFormatter.html#output:IO::FileDescriptor%7CIO::Memory-instance-method">#output</a></code> IO
+  <p>A base formatter for all formatters. It uses <code><a href="../../Ameba/Formatter/BaseFormatter.html#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method">#output</a></code> IO
 to report results and also implements stub methods for
 callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::Runner#run</a></code> method.</p>
 
@@ -686,7 +691,7 @@ callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L8" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L8" target="_blank">
         ameba/formatter/base_formatter.cr
       </a>
     
@@ -708,7 +713,7 @@ callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(output=STDOUT)-class-method" class="signature"><strong>.new</strong>(output = <span class="t">STDOUT</span>)</a>
+        <a href="#new%28output%3DSTDOUT%29-class-method" class="signature"><strong>.new</strong>(output = <span class="t">STDOUT</span>)</a>
         
       </li>
     
@@ -729,40 +734,40 @@ callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#config:Hash(Symbol,Bool%7CString)-instance-method" class="signature"><strong>#config</strong> : Hash(Symbol, Bool | String)</a>
+        <a href="#config%3AHash%28Symbol%2CBool%7CString%29-instance-method" class="signature"><strong>#config</strong> : Hash(Symbol, Bool | String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#finished(sources)-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
+        <a href="#finished%28sources%29-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
         
           <div class="summary"><p>Callback that indicates when inspection is finished.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="signature"><strong>#output</strong> : IO::FileDescriptor | IO::Memory</a>
+        <a href="#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="signature"><strong>#output</strong> : IO::FileDescriptor | IO::Memory</a>
         
           <div class="summary"><p><span class="flag orange">TODO</span>  allow other IOs</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#source_finished(source:Source)-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
+        <a href="#source_finished%28source%3ASource%29-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
         
           <div class="summary"><p>Callback that indicates when source inspection is finished.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#source_started(source:Source)-instance-method" class="signature"><strong>#source_started</strong>(source : Source)</a>
+        <a href="#source_started%28source%3ASource%29-instance-method" class="signature"><strong>#source_started</strong>(source : Source)</a>
         
           <div class="summary"><p>Callback that indicates when source inspection is finished.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#started(sources)-instance-method" class="signature"><strong>#started</strong>(sources)</a>
+        <a href="#started%28sources%29-instance-method" class="signature"><strong>#started</strong>(sources)</a>
         
           <div class="summary"><p>Callback that indicates when inspecting is started.</p></div>
         
@@ -813,13 +818,13 @@ callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::
         
         def self.<strong>new</strong>(output = <span class="t">STDOUT</span>)
 
-        <a class="method-permalink" href="#new(output=STDOUT)-class-method">#</a>
+        <a class="method-permalink" href="#new%28output%3DSTDOUT%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L13" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L13" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -843,13 +848,13 @@ callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::
         
         def <strong>config</strong> : Hash(Symbol, Bool | String)
 
-        <a class="method-permalink" href="#config:Hash(Symbol,Bool%7CString)-instance-method">#</a>
+        <a class="method-permalink" href="#config%3AHash%28Symbol%2CBool%7CString%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L11" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L11" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -859,7 +864,7 @@ callbacks in <code><a href="../../Ameba/Runner.html#run-instance-method">Ameba::
         
         def <strong>finished</strong>(sources)
 
-        <a class="method-permalink" href="#finished(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#finished%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -871,7 +876,7 @@ A list of inspected sources is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -881,7 +886,7 @@ A list of inspected sources is passed as an argument.</p>
         
         def <strong>output</strong> : IO::FileDescriptor | IO::Memory
 
-        <a class="method-permalink" href="#output:IO::FileDescriptor%7CIO::Memory-instance-method">#</a>
+        <a class="method-permalink" href="#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -892,7 +897,7 @@ A list of inspected sources is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -902,7 +907,7 @@ A list of inspected sources is passed as an argument.</p>
         
         def <strong>source_finished</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#source_finished(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#source_finished%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -914,7 +919,7 @@ A corresponding source is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -924,7 +929,7 @@ A corresponding source is passed as an argument.</p>
         
         def <strong>source_started</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#source_started(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#source_started%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -936,7 +941,7 @@ A corresponding source is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L26" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L26" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -946,7 +951,7 @@ A corresponding source is passed as an argument.</p>
         
         def <strong>started</strong>(sources)
 
-        <a class="method-permalink" href="#started(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#started%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -958,7 +963,7 @@ A list of sources to inspect is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/base_formatter.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/DisabledFormatter.html b/Ameba/Formatter/DisabledFormatter.html
index 7837156f..434132e3 100644
--- a/Ameba/Formatter/DisabledFormatter.html
+++ b/Ameba/Formatter/DisabledFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -664,7 +669,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/disabled_formatter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/disabled_formatter.cr#L3" target="_blank">
         ameba/formatter/disabled_formatter.cr
       </a>
     
@@ -690,7 +695,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#finished(sources)-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
+        <a href="#finished%28sources%29-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
         
           <div class="summary"><p>Callback that indicates when inspection is finished.</p></div>
         
@@ -709,32 +714,32 @@
   <h3>Instance methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#config:Hash(Symbol,Bool%7CString)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#config%3AHash%28Symbol%2CBool%7CString%29-instance-method" class="tooltip">
       <span>config : Hash(Symbol, Bool | String)</span>
     config</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#finished(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#finished%28sources%29-instance-method" class="tooltip">
       <span>finished(sources)</span>
     finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="tooltip">
       <span>output : IO::FileDescriptor | IO::Memory</span>
     output</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_finished(source : Source)</span>
     source_finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_started(source : Source)</span>
     source_started</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#started(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#started%28sources%29-instance-method" class="tooltip">
       <span>started(sources)</span>
     started</a>
     
@@ -746,7 +751,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#new(output=STDOUT)-class-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#new%28output%3DSTDOUT%29-class-method" class="tooltip">
       <span>new(output = <span class="t">STDOUT</span>)</span>
     new</a>
     
@@ -798,7 +803,7 @@
         
         def <strong>finished</strong>(sources)
 
-        <a class="method-permalink" href="#finished(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#finished%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -814,7 +819,7 @@ A list of inspected sources is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/disabled_formatter.cr#L4" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/disabled_formatter.cr#L4" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/DotFormatter.html b/Ameba/Formatter/DotFormatter.html
index 7d77e964..b64d3ab0 100644
--- a/Ameba/Formatter/DotFormatter.html
+++ b/Ameba/Formatter/DotFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -693,7 +698,7 @@ It is similar to Crystal's dot formatter for specs.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L6" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L6" target="_blank">
         ameba/formatter/dot_formatter.cr
       </a>
     
@@ -719,21 +724,21 @@ It is similar to Crystal's dot formatter for specs.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#finished(sources)-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
+        <a href="#finished%28sources%29-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
         
           <div class="summary"><p>Reports a message when inspection is finished.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#source_finished(source:Source)-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
+        <a href="#source_finished%28source%3ASource%29-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
         
           <div class="summary"><p>Reports a result of the inspection of a corresponding source.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#started(sources)-instance-method" class="signature"><strong>#started</strong>(sources)</a>
+        <a href="#started%28sources%29-instance-method" class="signature"><strong>#started</strong>(sources)</a>
         
           <div class="summary"><p>Reports a message when inspection is started.</p></div>
         
@@ -752,22 +757,22 @@ It is similar to Crystal's dot formatter for specs.</p>
   <h3>Instance methods inherited from module <code><a href="../../Ameba/Formatter/Util.html">Ameba::Formatter::Util</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/Util.html#affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#affected_code%28source%2Clocation%2Cend_location%3Dnil%2Ccontext_lines%3D0%2Cmax_length%3D120%2Cellipsis%3D%22...%22%2Cprompt%3D%22%3E%22%29-instance-method" class="tooltip">
       <span>affected_code(source, location, end_location = <span class="n">nil</span>, context_lines = <span class="n">0</span>, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>, prompt = <span class="s">&quot;&gt; &quot;</span>)</span>
     affected_code</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#context(lines,lineno,context_lines=3,remove_empty=true)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#context%28lines%2Clineno%2Ccontext_lines%3D3%2Cremove_empty%3Dtrue%29-instance-method" class="tooltip">
       <span>context(lines, lineno, context_lines = <span class="n">3</span>, remove_empty = <span class="n">true</span>)</span>
     context</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#deansify(message:String?):String?-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#deansify%28message%3AString%3F%29%3AString%3F-instance-method" class="tooltip">
       <span>deansify(message : String?) : String?</span>
     deansify</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#trim%28str%2Cmax_length%3D120%2Cellipsis%3D%22...%22%29-instance-method" class="tooltip">
       <span>trim(str, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>)</span>
     trim</a>
     
@@ -786,32 +791,32 @@ It is similar to Crystal's dot formatter for specs.</p>
   <h3>Instance methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#config:Hash(Symbol,Bool%7CString)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#config%3AHash%28Symbol%2CBool%7CString%29-instance-method" class="tooltip">
       <span>config : Hash(Symbol, Bool | String)</span>
     config</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#finished(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#finished%28sources%29-instance-method" class="tooltip">
       <span>finished(sources)</span>
     finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="tooltip">
       <span>output : IO::FileDescriptor | IO::Memory</span>
     output</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_finished(source : Source)</span>
     source_finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_started(source : Source)</span>
     source_started</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#started(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#started%28sources%29-instance-method" class="tooltip">
       <span>started(sources)</span>
     started</a>
     
@@ -823,7 +828,7 @@ It is similar to Crystal's dot formatter for specs.</p>
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#new(output=STDOUT)-class-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#new%28output%3DSTDOUT%29-class-method" class="tooltip">
       <span>new(output = <span class="t">STDOUT</span>)</span>
     new</a>
     
@@ -875,7 +880,7 @@ It is similar to Crystal's dot formatter for specs.</p>
         
         def <strong>finished</strong>(sources)
 
-        <a class="method-permalink" href="#finished(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#finished%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -886,7 +891,7 @@ It is similar to Crystal's dot formatter for specs.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -896,7 +901,7 @@ It is similar to Crystal's dot formatter for specs.</p>
         
         def <strong>source_finished</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#source_finished(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#source_finished%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -907,7 +912,7 @@ It is similar to Crystal's dot formatter for specs.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L21" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L21" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -917,7 +922,7 @@ It is similar to Crystal's dot formatter for specs.</p>
         
         def <strong>started</strong>(sources)
 
-        <a class="method-permalink" href="#started(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#started%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -928,7 +933,7 @@ It is similar to Crystal's dot formatter for specs.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L13" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L13" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/ExplainFormatter.html b/Ameba/Formatter/ExplainFormatter.html
index b4f613b7..64a35f73 100644
--- a/Ameba/Formatter/ExplainFormatter.html
+++ b/Ameba/Formatter/ExplainFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -679,7 +684,7 @@ a specific location.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L6" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L6" target="_blank">
         ameba/formatter/explain_formatter.cr
       </a>
     
@@ -725,7 +730,7 @@ a specific location.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(output,location)-class-method" class="signature"><strong>.new</strong>(output, location)</a>
+        <a href="#new%28output%2Clocation%29-class-method" class="signature"><strong>.new</strong>(output, location)</a>
         
           <div class="summary"><p>Creates a new instance of ExplainFormatter.</p></div>
         
@@ -748,19 +753,19 @@ a specific location.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#finished(sources)-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
+        <a href="#finished%28sources%29-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
         
           <div class="summary"><p>Reports the explainations at the <em>@location</em>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location:Crystal::Location-instance-method" class="signature"><strong>#location</strong> : Crystal::Location</a>
+        <a href="#location%3ACrystal%3A%3ALocation-instance-method" class="signature"><strong>#location</strong> : Crystal::Location</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="signature"><strong>#output</strong> : IO::FileDescriptor | IO::Memory</a>
+        <a href="#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="signature"><strong>#output</strong> : IO::FileDescriptor | IO::Memory</a>
         
       </li>
     
@@ -777,22 +782,22 @@ a specific location.</p>
   <h3>Instance methods inherited from module <code><a href="../../Ameba/Formatter/Util.html">Ameba::Formatter::Util</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/Util.html#affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#affected_code%28source%2Clocation%2Cend_location%3Dnil%2Ccontext_lines%3D0%2Cmax_length%3D120%2Cellipsis%3D%22...%22%2Cprompt%3D%22%3E%22%29-instance-method" class="tooltip">
       <span>affected_code(source, location, end_location = <span class="n">nil</span>, context_lines = <span class="n">0</span>, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>, prompt = <span class="s">&quot;&gt; &quot;</span>)</span>
     affected_code</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#context(lines,lineno,context_lines=3,remove_empty=true)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#context%28lines%2Clineno%2Ccontext_lines%3D3%2Cremove_empty%3Dtrue%29-instance-method" class="tooltip">
       <span>context(lines, lineno, context_lines = <span class="n">3</span>, remove_empty = <span class="n">true</span>)</span>
     context</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#deansify(message:String?):String?-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#deansify%28message%3AString%3F%29%3AString%3F-instance-method" class="tooltip">
       <span>deansify(message : String?) : String?</span>
     deansify</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#trim%28str%2Cmax_length%3D120%2Cellipsis%3D%22...%22%29-instance-method" class="tooltip">
       <span>trim(str, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>)</span>
     trim</a>
     
@@ -843,7 +848,7 @@ a specific location.</p>
         
         def self.<strong>new</strong>(output, location)
 
-        <a class="method-permalink" href="#new(output,location)-class-method">#</a>
+        <a class="method-permalink" href="#new%28output%2Clocation%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -851,7 +856,6 @@ a specific location.</p>
           <p>Creates a new instance of ExplainFormatter.
 Accepts <em>output</em> which indicates the io where the explanation will be wrtitten to.
 Second argument is <em>location</em> which indicates the location to explain.</p>
-
 <pre><code class="language-crystal"><span class="t">ExplainFormatter</span>.<span class="k">new</span> output,
   {file: path, line: line_number, column: column_number}</code></pre>
         </div>
@@ -859,7 +863,7 @@ Second argument is <em>location</em> which indicates the location to explain.</p
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -883,7 +887,7 @@ Second argument is <em>location</em> which indicates the location to explain.</p
         
         def <strong>finished</strong>(sources)
 
-        <a class="method-permalink" href="#finished(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#finished%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -894,7 +898,7 @@ Second argument is <em>location</em> which indicates the location to explain.</p
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -904,13 +908,13 @@ Second argument is <em>location</em> which indicates the location to explain.</p
         
         def <strong>location</strong> : Crystal::Location
 
-        <a class="method-permalink" href="#location:Crystal::Location-instance-method">#</a>
+        <a class="method-permalink" href="#location%3ACrystal%3A%3ALocation-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L13" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L13" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -920,13 +924,13 @@ Second argument is <em>location</em> which indicates the location to explain.</p
         
         def <strong>output</strong> : IO::FileDescriptor | IO::Memory
 
-        <a class="method-permalink" href="#output:IO::FileDescriptor%7CIO::Memory-instance-method">#</a>
+        <a class="method-permalink" href="#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L12" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L12" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/FlycheckFormatter.html b/Ameba/Formatter/FlycheckFormatter.html
index 858cd68e..331229be 100644
--- a/Ameba/Formatter/FlycheckFormatter.html
+++ b/Ameba/Formatter/FlycheckFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -653,7 +658,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L2" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/flycheck_formatter.cr#L2" target="_blank">
         ameba/formatter/flycheck_formatter.cr
       </a>
     
@@ -679,7 +684,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#source_finished(source:Source)-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
+        <a href="#source_finished%28source%3ASource%29-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
         
           <div class="summary"><p>Callback that indicates when source inspection is finished.</p></div>
         
@@ -698,32 +703,32 @@
   <h3>Instance methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#config:Hash(Symbol,Bool%7CString)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#config%3AHash%28Symbol%2CBool%7CString%29-instance-method" class="tooltip">
       <span>config : Hash(Symbol, Bool | String)</span>
     config</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#finished(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#finished%28sources%29-instance-method" class="tooltip">
       <span>finished(sources)</span>
     finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="tooltip">
       <span>output : IO::FileDescriptor | IO::Memory</span>
     output</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_finished(source : Source)</span>
     source_finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_started(source : Source)</span>
     source_started</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#started(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#started%28sources%29-instance-method" class="tooltip">
       <span>started(sources)</span>
     started</a>
     
@@ -735,7 +740,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#new(output=STDOUT)-class-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#new%28output%3DSTDOUT%29-class-method" class="tooltip">
       <span>new(output = <span class="t">STDOUT</span>)</span>
     new</a>
     
@@ -787,7 +792,7 @@
         
         def <strong>source_finished</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#source_finished(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#source_finished%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -803,7 +808,7 @@ A corresponding source is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/flycheck_formatter.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/JSONFormatter.html b/Ameba/Formatter/JSONFormatter.html
index 7d846d39..9f1f67eb 100644
--- a/Ameba/Formatter/JSONFormatter.html
+++ b/Ameba/Formatter/JSONFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A formatter that produces the result in a json format.</p>
-
 <p>Example:</p>
-
 <pre><code class="language-crystal">{
   <span class="s">&quot;metadata&quot;</span>: {
     <span class="s">&quot;ameba_version&quot;</span>:   <span class="s">&quot;x.x.x&quot;</span>,
@@ -722,7 +725,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L66" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L66" target="_blank">
         ameba/formatter/json_formatter.cr
       </a>
     
@@ -744,7 +747,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(output=STDOUT)-class-method" class="signature"><strong>.new</strong>(output = <span class="t">STDOUT</span>)</a>
+        <a href="#new%28output%3DSTDOUT%29-class-method" class="signature"><strong>.new</strong>(output = <span class="t">STDOUT</span>)</a>
         
       </li>
     
@@ -765,21 +768,21 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#finished(sources)-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
+        <a href="#finished%28sources%29-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
         
           <div class="summary"><p>Callback that indicates when inspection is finished.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#source_finished(source:Source)-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
+        <a href="#source_finished%28source%3ASource%29-instance-method" class="signature"><strong>#source_finished</strong>(source : Source)</a>
         
           <div class="summary"><p>Callback that indicates when source inspection is finished.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#started(sources)-instance-method" class="signature"><strong>#started</strong>(sources)</a>
+        <a href="#started%28sources%29-instance-method" class="signature"><strong>#started</strong>(sources)</a>
         
           <div class="summary"><p>Callback that indicates when inspecting is started.</p></div>
         
@@ -798,32 +801,32 @@
   <h3>Instance methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#config:Hash(Symbol,Bool%7CString)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#config%3AHash%28Symbol%2CBool%7CString%29-instance-method" class="tooltip">
       <span>config : Hash(Symbol, Bool | String)</span>
     config</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#finished(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#finished%28sources%29-instance-method" class="tooltip">
       <span>finished(sources)</span>
     finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="tooltip">
       <span>output : IO::FileDescriptor | IO::Memory</span>
     output</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_finished(source : Source)</span>
     source_finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_started(source : Source)</span>
     source_started</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#started(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#started%28sources%29-instance-method" class="tooltip">
       <span>started(sources)</span>
     started</a>
     
@@ -835,7 +838,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#new(output=STDOUT)-class-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#new%28output%3DSTDOUT%29-class-method" class="tooltip">
       <span>new(output = <span class="t">STDOUT</span>)</span>
     new</a>
     
@@ -883,13 +886,13 @@
         
         def self.<strong>new</strong>(output = <span class="t">STDOUT</span>)
 
-        <a class="method-permalink" href="#new(output=STDOUT)-class-method">#</a>
+        <a class="method-permalink" href="#new%28output%3DSTDOUT%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L67" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L67" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -913,7 +916,7 @@
         
         def <strong>finished</strong>(sources)
 
-        <a class="method-permalink" href="#finished(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#finished%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -929,7 +932,7 @@ A list of inspected sources is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L87" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L87" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -939,7 +942,7 @@ A list of inspected sources is passed as an argument.</p>
         
         def <strong>source_finished</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#source_finished(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#source_finished%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -955,7 +958,7 @@ A corresponding source is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L75" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L75" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -965,7 +968,7 @@ A corresponding source is passed as an argument.</p>
         
         def <strong>started</strong>(sources)
 
-        <a class="method-permalink" href="#started(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#started%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -981,7 +984,7 @@ A list of sources to inspect is passed as an argument.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L71" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L71" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/TODOFormatter.html b/Ameba/Formatter/TODOFormatter.html
index aaf497d4..34c11363 100644
--- a/Ameba/Formatter/TODOFormatter.html
+++ b/Ameba/Formatter/TODOFormatter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -666,7 +671,7 @@ or excludes failed sources from these rules.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L5" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/todo_formatter.cr#L5" target="_blank">
         ameba/formatter/todo_formatter.cr
       </a>
     
@@ -688,7 +693,7 @@ or excludes failed sources from these rules.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(output=STDOUT)-class-method" class="signature"><strong>.new</strong>(output = <span class="t">STDOUT</span>)</a>
+        <a href="#new%28output%3DSTDOUT%29-class-method" class="signature"><strong>.new</strong>(output = <span class="t">STDOUT</span>)</a>
         
       </li>
     
@@ -709,7 +714,7 @@ or excludes failed sources from these rules.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#finished(sources)-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
+        <a href="#finished%28sources%29-instance-method" class="signature"><strong>#finished</strong>(sources)</a>
         
           <div class="summary"><p>Reports a message when inspection is finished.</p></div>
         
@@ -728,17 +733,17 @@ or excludes failed sources from these rules.</p>
   <h3>Instance methods inherited from class <code><a href="../../Ameba/Formatter/DotFormatter.html">Ameba::Formatter::DotFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/DotFormatter.html#finished(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/DotFormatter.html#finished%28sources%29-instance-method" class="tooltip">
       <span>finished(sources)</span>
     finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/DotFormatter.html#source_finished(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/DotFormatter.html#source_finished%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_finished(source : Source)</span>
     source_finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/DotFormatter.html#started(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/DotFormatter.html#started%28sources%29-instance-method" class="tooltip">
       <span>started(sources)</span>
     started</a>
     
@@ -757,22 +762,22 @@ or excludes failed sources from these rules.</p>
   <h3>Instance methods inherited from module <code><a href="../../Ameba/Formatter/Util.html">Ameba::Formatter::Util</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/Util.html#affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#affected_code%28source%2Clocation%2Cend_location%3Dnil%2Ccontext_lines%3D0%2Cmax_length%3D120%2Cellipsis%3D%22...%22%2Cprompt%3D%22%3E%22%29-instance-method" class="tooltip">
       <span>affected_code(source, location, end_location = <span class="n">nil</span>, context_lines = <span class="n">0</span>, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>, prompt = <span class="s">&quot;&gt; &quot;</span>)</span>
     affected_code</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#context(lines,lineno,context_lines=3,remove_empty=true)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#context%28lines%2Clineno%2Ccontext_lines%3D3%2Cremove_empty%3Dtrue%29-instance-method" class="tooltip">
       <span>context(lines, lineno, context_lines = <span class="n">3</span>, remove_empty = <span class="n">true</span>)</span>
     context</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#deansify(message:String?):String?-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#deansify%28message%3AString%3F%29%3AString%3F-instance-method" class="tooltip">
       <span>deansify(message : String?) : String?</span>
     deansify</a>, 
     
   
-    <a href="../../Ameba/Formatter/Util.html#trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/Util.html#trim%28str%2Cmax_length%3D120%2Cellipsis%3D%22...%22%29-instance-method" class="tooltip">
       <span>trim(str, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>)</span>
     trim</a>
     
@@ -791,32 +796,32 @@ or excludes failed sources from these rules.</p>
   <h3>Instance methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#config:Hash(Symbol,Bool%7CString)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#config%3AHash%28Symbol%2CBool%7CString%29-instance-method" class="tooltip">
       <span>config : Hash(Symbol, Bool | String)</span>
     config</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#finished(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#finished%28sources%29-instance-method" class="tooltip">
       <span>finished(sources)</span>
     finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#output:IO::FileDescriptor%7CIO::Memory-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#output%3AIO%3A%3AFileDescriptor%7CIO%3A%3AMemory-instance-method" class="tooltip">
       <span>output : IO::FileDescriptor | IO::Memory</span>
     output</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_finished%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_finished(source : Source)</span>
     source_finished</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started(source:Source)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#source_started%28source%3ASource%29-instance-method" class="tooltip">
       <span>source_started(source : Source)</span>
     source_started</a>, 
     
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#started(sources)-instance-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#started%28sources%29-instance-method" class="tooltip">
       <span>started(sources)</span>
     started</a>
     
@@ -828,7 +833,7 @@ or excludes failed sources from these rules.</p>
   <h3>Constructor methods inherited from class <code><a href="../../Ameba/Formatter/BaseFormatter.html">Ameba::Formatter::BaseFormatter</a></code></h3>
   
   
-    <a href="../../Ameba/Formatter/BaseFormatter.html#new(output=STDOUT)-class-method" class="tooltip">
+    <a href="../../Ameba/Formatter/BaseFormatter.html#new%28output%3DSTDOUT%29-class-method" class="tooltip">
       <span>new(output = <span class="t">STDOUT</span>)</span>
     new</a>
     
@@ -876,13 +881,13 @@ or excludes failed sources from these rules.</p>
         
         def self.<strong>new</strong>(output = <span class="t">STDOUT</span>)
 
-        <a class="method-permalink" href="#new(output=STDOUT)-class-method">#</a>
+        <a class="method-permalink" href="#new%28output%3DSTDOUT%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L6" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/todo_formatter.cr#L6" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -906,7 +911,7 @@ or excludes failed sources from these rules.</p>
         
         def <strong>finished</strong>(sources)
 
-        <a class="method-permalink" href="#finished(sources)-instance-method">#</a>
+        <a class="method-permalink" href="#finished%28sources%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -921,7 +926,7 @@ or excludes failed sources from these rules.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L9" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/todo_formatter.cr#L9" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Formatter/Util.html b/Ameba/Formatter/Util.html
index 85fed921..07072397 100644
--- a/Ameba/Formatter/Util.html
+++ b/Ameba/Formatter/Util.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -667,7 +672,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L2" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/util.cr#L2" target="_blank">
         ameba/formatter/util.cr
       </a>
     
@@ -693,22 +698,22 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method" class="signature"><strong>#affected_code</strong>(source, location, end_location = <span class="n">nil</span>, context_lines = <span class="n">0</span>, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>, prompt = <span class="s">&quot;&gt; &quot;</span>)</a>
+        <a href="#affected_code%28source%2Clocation%2Cend_location%3Dnil%2Ccontext_lines%3D0%2Cmax_length%3D120%2Cellipsis%3D%22...%22%2Cprompt%3D%22%3E%22%29-instance-method" class="signature"><strong>#affected_code</strong>(source, location, end_location = <span class="n">nil</span>, context_lines = <span class="n">0</span>, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>, prompt = <span class="s">&quot;&gt; &quot;</span>)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#context(lines,lineno,context_lines=3,remove_empty=true)-instance-method" class="signature"><strong>#context</strong>(lines, lineno, context_lines = <span class="n">3</span>, remove_empty = <span class="n">true</span>)</a>
+        <a href="#context%28lines%2Clineno%2Ccontext_lines%3D3%2Cremove_empty%3Dtrue%29-instance-method" class="signature"><strong>#context</strong>(lines, lineno, context_lines = <span class="n">3</span>, remove_empty = <span class="n">true</span>)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#deansify(message:String?):String?-instance-method" class="signature"><strong>#deansify</strong>(message : String?) : String?</a>
+        <a href="#deansify%28message%3AString%3F%29%3AString%3F-instance-method" class="signature"><strong>#deansify</strong>(message : String?) : String?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method" class="signature"><strong>#trim</strong>(str, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>)</a>
+        <a href="#trim%28str%2Cmax_length%3D120%2Cellipsis%3D%22...%22%29-instance-method" class="signature"><strong>#trim</strong>(str, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>)</a>
         
       </li>
     
@@ -741,13 +746,13 @@
         
         def <strong>affected_code</strong>(source, location, end_location = <span class="n">nil</span>, context_lines = <span class="n">0</span>, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>, prompt = <span class="s">&quot;&gt; &quot;</span>)
 
-        <a class="method-permalink" href="#affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method">#</a>
+        <a class="method-permalink" href="#affected_code%28source%2Clocation%2Cend_location%3Dnil%2Ccontext_lines%3D0%2Cmax_length%3D120%2Cellipsis%3D%22...%22%2Cprompt%3D%22%3E%22%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L43" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/util.cr#L43" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -757,13 +762,13 @@
         
         def <strong>context</strong>(lines, lineno, context_lines = <span class="n">3</span>, remove_empty = <span class="n">true</span>)
 
-        <a class="method-permalink" href="#context(lines,lineno,context_lines=3,remove_empty=true)-instance-method">#</a>
+        <a class="method-permalink" href="#context%28lines%2Clineno%2Ccontext_lines%3D3%2Cremove_empty%3Dtrue%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L17" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/util.cr#L17" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -773,13 +778,13 @@
         
         def <strong>deansify</strong>(message : String?) : String?
 
-        <a class="method-permalink" href="#deansify(message:String?):String?-instance-method">#</a>
+        <a class="method-permalink" href="#deansify%28message%3AString%3F%29%3AString%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L3" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/util.cr#L3" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -789,13 +794,13 @@
         
         def <strong>trim</strong>(str, max_length = <span class="n">120</span>, ellipsis = <span class="s">&quot; ...&quot;</span>)
 
-        <a class="method-permalink" href="#trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method">#</a>
+        <a class="method-permalink" href="#trim%28str%2Cmax_length%3D120%2Cellipsis%3D%22...%22%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L7" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/util.cr#L7" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/GlobUtils.html b/Ameba/GlobUtils.html
index fa928c4e..05787be6 100644
--- a/Ameba/GlobUtils.html
+++ b/Ameba/GlobUtils.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -676,7 +681,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/glob_utils.cr#L3" target="_blank">
         ameba/glob_utils.cr
       </a>
     
@@ -702,14 +707,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#expand(globs)-instance-method" class="signature"><strong>#expand</strong>(globs)</a>
+        <a href="#expand%28globs%29-instance-method" class="signature"><strong>#expand</strong>(globs)</a>
         
           <div class="summary"><p>Expands globs.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#find_files_by_globs(globs)-instance-method" class="signature"><strong>#find_files_by_globs</strong>(globs)</a>
+        <a href="#find_files_by_globs%28globs%29-instance-method" class="signature"><strong>#find_files_by_globs</strong>(globs)</a>
         
           <div class="summary"><p>Returns all files that match specified globs.</p></div>
         
@@ -744,20 +749,19 @@
         
         def <strong>expand</strong>(globs)
 
-        <a class="method-permalink" href="#expand(globs)-instance-method">#</a>
+        <a class="method-permalink" href="#expand%28globs%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Expands globs. Globs can point to files or even directories.</p>
-
 <pre><code class="language-crystal">expand([<span class="s">&quot;spec/*.cr&quot;</span>, <span class="s">&quot;src&quot;</span>]) <span class="c"># =&gt; all files in src folder + first level specs</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/glob_utils.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -767,21 +771,20 @@
         
         def <strong>find_files_by_globs</strong>(globs)
 
-        <a class="method-permalink" href="#find_files_by_globs(globs)-instance-method">#</a>
+        <a class="method-permalink" href="#find_files_by_globs%28globs%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns all files that match specified globs.
 Globs can have wildcards or be rejected:</p>
-
 <pre><code class="language-crystal">find_files_by_globs([<span class="s">&quot;**/*.cr&quot;</span>, <span class="s">&quot;!lib&quot;</span>])</code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/glob_utils.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/InlineComments.html b/Ameba/InlineComments.html
index c614b54f..91566a74 100644
--- a/Ameba/InlineComments.html
+++ b/Ameba/InlineComments.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -676,7 +681,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L3" target="_blank">
         ameba/inline_comments.cr
       </a>
     
@@ -721,21 +726,21 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#comment?(line_number:Int32)-instance-method" class="signature"><strong>#comment?</strong>(line_number : Int32)</a>
+        <a href="#comment%3F%28line_number%3AInt32%29-instance-method" class="signature"><strong>#comment?</strong>(line_number : Int32)</a>
         
           <div class="summary"><p>Returns true if the line at the given <code>line_number</code> is a comment.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location_disabled?(location,rule)-instance-method" class="signature"><strong>#location_disabled?</strong>(location, rule)</a>
+        <a href="#location_disabled%3F%28location%2Crule%29-instance-method" class="signature"><strong>#location_disabled?</strong>(location, rule)</a>
         
           <div class="summary"><p>Returns true if current location is disabled for a particular rule, false otherwise.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#parse_inline_directive(line)-instance-method" class="signature"><strong>#parse_inline_directive</strong>(line)</a>
+        <a href="#parse_inline_directive%28line%29-instance-method" class="signature"><strong>#parse_inline_directive</strong>(line)</a>
         
           <div class="summary"><p>Parses inline comment directive.</p></div>
         
@@ -770,7 +775,7 @@
         
         def <strong>comment?</strong>(line_number : Int32)
 
-        <a class="method-permalink" href="#comment?(line_number:Int32)-instance-method">#</a>
+        <a class="method-permalink" href="#comment%3F%28line_number%3AInt32%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -781,7 +786,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L78" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L78" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -791,27 +796,24 @@
         
         def <strong>location_disabled?</strong>(location, rule)
 
-        <a class="method-permalink" href="#location_disabled?(location,rule)-instance-method">#</a>
+        <a class="method-permalink" href="#location_disabled%3F%28location%2Crule%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if current location is disabled for a particular rule,
 false otherwise.</p>
-
 <p>Location is disabled in two cases:</p>
-
-<ol><li>The line of the location ends with a comment directive.</li><li>The line above the location is a comment directive.</li></ol>
-
+<ol>
+<li>The line of the location ends with a comment directive.</li>
+<li>The line above the location is a comment directive.</li>
+</ol>
 <p>For example, here are two examples of disabled location:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable Style/LargeNumbers</span>
 <span class="t">Time</span>.epoch(<span class="n">1483859302</span>)
 
 <span class="t">Time</span>.epoch(<span class="n">1483859302</span>) <span class="c"># ameba:disable Style/LargeNumbers</span></code></pre>
-
 <p>But here are examples which are not considered as disabled location:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable Style/LargeNumbers</span>
 <span class="c">#</span>
 <span class="t">Time</span>.epoch(<span class="n">1483859302</span>)
@@ -824,7 +826,7 @@ false otherwise.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -834,21 +836,18 @@ false otherwise.</p>
         
         def <strong>parse_inline_directive</strong>(line)
 
-        <a class="method-permalink" href="#parse_inline_directive(line)-instance-method">#</a>
+        <a class="method-permalink" href="#parse_inline_directive%28line%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Parses inline comment directive. Returns a tuple that consists of
 an action and parsed rules if directive found, nil otherwise.</p>
-
 <pre><code class="language-crystal">line <span class="o">=</span> <span class="s">&quot;# ameba:disable Rule1, Rule2&quot;</span>
 directive <span class="o">=</span> parse_inline_directive(line)
 directive[<span class="n">:action</span>] <span class="c"># =&gt; &quot;disable&quot;</span>
 directive[<span class="n">:rules</span>]  <span class="c"># =&gt; [&quot;Rule1&quot;, &quot;Rule2&quot;]</span></code></pre>
-
 <p>It ignores the directive if it is commented out.</p>
-
 <pre><code class="language-crystal">line <span class="o">=</span> <span class="s">&quot;# # ameba:disable Rule1, Rule2&quot;</span>
 parse_inline_directive(line) <span class="c"># =&gt; nil</span></code></pre>
         </div>
@@ -856,7 +855,7 @@ parse_inline_directive(line) <span class="c"># =&gt; nil</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L67" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L67" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/InlineComments/Action.html b/Ameba/InlineComments/Action.html
index ccf80ded..19e8b48c 100644
--- a/Ameba/InlineComments/Action.html
+++ b/Ameba/InlineComments/Action.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -662,7 +667,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L7" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L7" target="_blank">
         ameba/inline_comments.cr
       </a>
     
@@ -712,12 +717,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#disable?-instance-method" class="signature"><strong>#disable?</strong></a>
+        <a href="#disable%3F-instance-method" class="signature"><strong>#disable?</strong></a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enable?-instance-method" class="signature"><strong>#enable?</strong></a>
+        <a href="#enable%3F-instance-method" class="signature"><strong>#enable?</strong></a>
         
       </li>
     
@@ -790,13 +795,13 @@
         
         def <strong>disable?</strong>
 
-        <a class="method-permalink" href="#disable?-instance-method">#</a>
+        <a class="method-permalink" href="#disable%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -806,13 +811,13 @@
         
         def <strong>enable?</strong>
 
-        <a class="method-permalink" href="#enable?-instance-method">#</a>
+        <a class="method-permalink" href="#enable%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L9" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L9" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Issue.html b/Ameba/Issue.html
index fea3b96e..739a970c 100644
--- a/Ameba/Issue.html
+++ b/Ameba/Issue.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -664,7 +669,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L3" target="_blank">
         ameba/issue.cr
       </a>
     
@@ -686,7 +691,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(rule,location,end_location,message,status:Status?=nil)-class-method" class="signature"><strong>.new</strong>(rule, location, end_location, message, status : Status? = <span class="n">nil</span>)</a>
+        <a href="#new%28rule%2Clocation%2Cend_location%2Cmessage%2Cstatus%3AStatus%3F%3Dnil%29-class-method" class="signature"><strong>.new</strong>(rule, location, end_location, message, status : Status? = <span class="n">nil</span>)</a>
         
       </li>
     
@@ -707,62 +712,62 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#disabled?(*args,**options)-instance-method" class="signature"><strong>#disabled?</strong>(*args, **options)</a>
+        <a href="#disabled%3F%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#disabled?</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#disabled?(*args,**options,&)-instance-method" class="signature"><strong>#disabled?</strong>(*args, **options, &)</a>
+        <a href="#disabled%3F%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#disabled?</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled?(*args,**options)-instance-method" class="signature"><strong>#enabled?</strong>(*args, **options)</a>
+        <a href="#enabled%3F%28%2Aargs%2C%2A%2Aoptions%29-instance-method" class="signature"><strong>#enabled?</strong>(*args, **options)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled?(*args,**options,&)-instance-method" class="signature"><strong>#enabled?</strong>(*args, **options, &)</a>
+        <a href="#enabled%3F%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method" class="signature"><strong>#enabled?</strong>(*args, **options, &)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#end_location:Crystal::Location?-instance-method" class="signature"><strong>#end_location</strong> : Crystal::Location?</a>
+        <a href="#end_location%3ACrystal%3A%3ALocation%3F-instance-method" class="signature"><strong>#end_location</strong> : Crystal::Location?</a>
         
           <div class="summary"><p>End location of the issue.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#location:Crystal::Location?-instance-method" class="signature"><strong>#location</strong> : Crystal::Location?</a>
+        <a href="#location%3ACrystal%3A%3ALocation%3F-instance-method" class="signature"><strong>#location</strong> : Crystal::Location?</a>
         
           <div class="summary"><p>Location of the issue.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#message:String-instance-method" class="signature"><strong>#message</strong> : String</a>
+        <a href="#message%3AString-instance-method" class="signature"><strong>#message</strong> : String</a>
         
           <div class="summary"><p>Issue message.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#rule:Rule::Base-instance-method" class="signature"><strong>#rule</strong> : Rule::Base</a>
+        <a href="#rule%3ARule%3A%3ABase-instance-method" class="signature"><strong>#rule</strong> : Rule::Base</a>
         
           <div class="summary"><p>A rule that triggers this issue.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#status:Status-instance-method" class="signature"><strong>#status</strong> : Status</a>
+        <a href="#status%3AStatus-instance-method" class="signature"><strong>#status</strong> : Status</a>
         
           <div class="summary"><p>Issue status.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#syntax?-instance-method" class="signature"><strong>#syntax?</strong></a>
+        <a href="#syntax%3F-instance-method" class="signature"><strong>#syntax?</strong></a>
         
       </li>
     
@@ -821,13 +826,13 @@
         
         def self.<strong>new</strong>(rule, location, end_location, message, status : <a href="../Ameba/Issue/Status.html">Status</a>? = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(rule,location,end_location,message,status:Status?=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28rule%2Clocation%2Cend_location%2Cmessage%2Cstatus%3AStatus%3F%3Dnil%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -851,29 +856,29 @@
         
         def <strong>disabled?</strong>(*args, **options)
 
-        <a class="method-permalink" href="#disabled?(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#disabled%3F%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="disabled?(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="disabled?(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>disabled?</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#disabled?(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#disabled%3F%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -883,29 +888,29 @@
         
         def <strong>enabled?</strong>(*args, **options)
 
-        <a class="method-permalink" href="#enabled?(*args,**options)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3F%28%2Aargs%2C%2A%2Aoptions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
   
-    <div class="entry-detail" id="enabled?(*args,**options,&)-instance-method">
+    <div class="entry-detail" id="enabled?(*args,**options,&amp;)-instance-method">
       <div class="signature">
         
         def <strong>enabled?</strong>(*args, **options, &)
 
-        <a class="method-permalink" href="#enabled?(*args,**options,&)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3F%28%2Aargs%2C%2A%2Aoptions%2C%26%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -915,7 +920,7 @@
         
         def <strong>end_location</strong> : Crystal::Location?
 
-        <a class="method-permalink" href="#end_location:Crystal::Location?-instance-method">#</a>
+        <a class="method-permalink" href="#end_location%3ACrystal%3A%3ALocation%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -926,7 +931,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L16" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L16" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -936,7 +941,7 @@
         
         def <strong>location</strong> : Crystal::Location?
 
-        <a class="method-permalink" href="#location:Crystal::Location?-instance-method">#</a>
+        <a class="method-permalink" href="#location%3ACrystal%3A%3ALocation%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -947,7 +952,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L13" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L13" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -957,7 +962,7 @@
         
         def <strong>message</strong> : String
 
-        <a class="method-permalink" href="#message:String-instance-method">#</a>
+        <a class="method-permalink" href="#message%3AString-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -968,7 +973,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L19" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L19" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -978,7 +983,7 @@
         
         def <strong>rule</strong> : <a href="../Ameba/Rule/Base.html">Rule::Base</a>
 
-        <a class="method-permalink" href="#rule:Rule::Base-instance-method">#</a>
+        <a class="method-permalink" href="#rule%3ARule%3A%3ABase-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -989,7 +994,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -999,7 +1004,7 @@
         
         def <strong>status</strong> : <a href="../Ameba/Issue/Status.html">Status</a>
 
-        <a class="method-permalink" href="#status:Status-instance-method">#</a>
+        <a class="method-permalink" href="#status%3AStatus-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1010,7 +1015,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1020,13 +1025,13 @@
         
         def <strong>syntax?</strong>
 
-        <a class="method-permalink" href="#syntax?-instance-method">#</a>
+        <a class="method-permalink" href="#syntax%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L31" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L31" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Issue/Status.html b/Ameba/Issue/Status.html
index 9af56d9c..629b844a 100644
--- a/Ameba/Issue/Status.html
+++ b/Ameba/Issue/Status.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,7 +656,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L4" target="_blank">
         ameba/issue.cr
       </a>
     
@@ -701,12 +706,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#disabled?-instance-method" class="signature"><strong>#disabled?</strong></a>
+        <a href="#disabled%3F-instance-method" class="signature"><strong>#disabled?</strong></a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled?-instance-method" class="signature"><strong>#enabled?</strong></a>
+        <a href="#enabled%3F-instance-method" class="signature"><strong>#enabled?</strong></a>
         
       </li>
     
@@ -779,13 +784,13 @@
         
         def <strong>disabled?</strong>
 
-        <a class="method-permalink" href="#disabled?-instance-method">#</a>
+        <a class="method-permalink" href="#disabled%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L6" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L6" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -795,13 +800,13 @@
         
         def <strong>enabled?</strong>
 
-        <a class="method-permalink" href="#enabled?-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/issue.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/issue.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Reportable.html b/Ameba/Reportable.html
index d829f66a..507c64a4 100644
--- a/Ameba/Reportable.html
+++ b/Ameba/Reportable.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -676,7 +681,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L3" target="_blank">
         ameba/reportable.cr
       </a>
     
@@ -702,35 +707,35 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#add_issue(rule,location:Tuple(Int32,Int32),message,status:Issue::Status?=nil):Issue-instance-method" class="signature"><strong>#add_issue</strong>(rule, location : Tuple(Int32, Int32), message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
+        <a href="#add_issue%28rule%2Clocation%3ATuple%28Int32%2CInt32%29%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method" class="signature"><strong>#add_issue</strong>(rule, location : Tuple(Int32, Int32), message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
         
           <div class="summary"><p>Adds a new issue for <em>location</em> defined by line and column numbers.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_issue(rule,node:Crystal::ASTNode,message,status:Issue::Status?=nil):Issue-instance-method" class="signature"><strong>#add_issue</strong>(rule, node : Crystal::ASTNode, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
+        <a href="#add_issue%28rule%2Cnode%3ACrystal%3A%3AASTNode%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method" class="signature"><strong>#add_issue</strong>(rule, node : Crystal::ASTNode, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
         
           <div class="summary"><p>Adds a new issue for Crystal AST <em>node</em>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_issue(rule,token:Crystal::Token,message,status:Issue::Status?=nil):Issue-instance-method" class="signature"><strong>#add_issue</strong>(rule, token : Crystal::Token, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
+        <a href="#add_issue%28rule%2Ctoken%3ACrystal%3A%3AToken%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method" class="signature"><strong>#add_issue</strong>(rule, token : Crystal::Token, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
         
           <div class="summary"><p>Adds a new issue for Crystal <em>token</em>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_issue(rule,location:Tuple(Int32,Int32),end_location:Tuple(Int32,Int32),message,status:Issue::Status?=nil):Issue-instance-method" class="signature"><strong>#add_issue</strong>(rule, location : Tuple(Int32, Int32), end_location : Tuple(Int32, Int32), message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
+        <a href="#add_issue%28rule%2Clocation%3ATuple%28Int32%2CInt32%29%2Cend_location%3ATuple%28Int32%2CInt32%29%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method" class="signature"><strong>#add_issue</strong>(rule, location : Tuple(Int32, Int32), end_location : Tuple(Int32, Int32), message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
         
           <div class="summary"><p>Adds a new issue for <em>location</em> and <em>end_location</em> defined by line and column numbers.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#add_issue(rule,location,end_location,message,status:Issue::Status?=nil):Issue-instance-method" class="signature"><strong>#add_issue</strong>(rule, location, end_location, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
+        <a href="#add_issue%28rule%2Clocation%2Cend_location%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method" class="signature"><strong>#add_issue</strong>(rule, location, end_location, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</a>
         
           <div class="summary"><p>Adds a new issue to the list of issues.</p></div>
         
@@ -744,7 +749,7 @@
       </li>
     
       <li class="entry-summary">
-        <a href="#valid?-instance-method" class="signature"><strong>#valid?</strong></a>
+        <a href="#valid%3F-instance-method" class="signature"><strong>#valid?</strong></a>
         
           <div class="summary"><p>Returns <code>true</code> if the list of not disabled issues is empty, <code>false</code> otherwise.</p></div>
         
@@ -779,7 +784,7 @@
         
         def <strong>add_issue</strong>(rule, location : Tuple(Int32, Int32), message, status : <a href="../Ameba/Issue/Status.html">Issue::Status</a>? = <span class="n">nil</span>) : <a href="../Ameba/Issue.html">Issue</a>
 
-        <a class="method-permalink" href="#add_issue(rule,location:Tuple(Int32,Int32),message,status:Issue::Status?=nil):Issue-instance-method">#</a>
+        <a class="method-permalink" href="#add_issue%28rule%2Clocation%3ATuple%28Int32%2CInt32%29%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -790,7 +795,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -800,7 +805,7 @@
         
         def <strong>add_issue</strong>(rule, node : Crystal::ASTNode, message, status : <a href="../Ameba/Issue/Status.html">Issue::Status</a>? = <span class="n">nil</span>) : <a href="../Ameba/Issue.html">Issue</a>
 
-        <a class="method-permalink" href="#add_issue(rule,node:Crystal::ASTNode,message,status:Issue::Status?=nil):Issue-instance-method">#</a>
+        <a class="method-permalink" href="#add_issue%28rule%2Cnode%3ACrystal%3A%3AASTNode%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -811,7 +816,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -821,7 +826,7 @@
         
         def <strong>add_issue</strong>(rule, token : Crystal::Token, message, status : <a href="../Ameba/Issue/Status.html">Issue::Status</a>? = <span class="n">nil</span>) : <a href="../Ameba/Issue.html">Issue</a>
 
-        <a class="method-permalink" href="#add_issue(rule,token:Crystal::Token,message,status:Issue::Status?=nil):Issue-instance-method">#</a>
+        <a class="method-permalink" href="#add_issue%28rule%2Ctoken%3ACrystal%3A%3AToken%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -832,7 +837,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -842,7 +847,7 @@
         
         def <strong>add_issue</strong>(rule, location : Tuple(Int32, Int32), end_location : Tuple(Int32, Int32), message, status : <a href="../Ameba/Issue/Status.html">Issue::Status</a>? = <span class="n">nil</span>) : <a href="../Ameba/Issue.html">Issue</a>
 
-        <a class="method-permalink" href="#add_issue(rule,location:Tuple(Int32,Int32),end_location:Tuple(Int32,Int32),message,status:Issue::Status?=nil):Issue-instance-method">#</a>
+        <a class="method-permalink" href="#add_issue%28rule%2Clocation%3ATuple%28Int32%2CInt32%29%2Cend_location%3ATuple%28Int32%2CInt32%29%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -853,7 +858,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -863,7 +868,7 @@
         
         def <strong>add_issue</strong>(rule, location, end_location, message, status : <a href="../Ameba/Issue/Status.html">Issue::Status</a>? = <span class="n">nil</span>) : <a href="../Ameba/Issue.html">Issue</a>
 
-        <a class="method-permalink" href="#add_issue(rule,location,end_location,message,status:Issue::Status?=nil):Issue-instance-method">#</a>
+        <a class="method-permalink" href="#add_issue%28rule%2Clocation%2Cend_location%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -874,7 +879,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L8" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L8" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -895,7 +900,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -905,7 +910,7 @@
         
         def <strong>valid?</strong>
 
-        <a class="method-permalink" href="#valid?-instance-method">#</a>
+        <a class="method-permalink" href="#valid%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -916,7 +921,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/reportable.cr#L46" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/reportable.cr#L46" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule.html b/Ameba/Rule.html
index 5481e9c3..4c370511 100644
--- a/Ameba/Rule.html
+++ b/Ameba/Rule.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,7 +656,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L1" target="_blank">
         ameba/rule/base.cr
       </a>
     
@@ -740,14 +745,13 @@ behave differently than usual rules.</p>
         <div class="doc">
           
           <p>Returns a list of all available rules.</p>
-
 <pre><code class="language-crystal"><span class="t">Ameba</span><span class="t">::</span><span class="t">Rule</span>.rules <span class="c"># =&gt; [Rule1, Rule2, ....]</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L200" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L200" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Base.html b/Ameba/Rule/Base.html
index ef3306d1..8e2e18ae 100644
--- a/Ameba/Rule/Base.html
+++ b/Ameba/Rule/Base.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,7 +646,6 @@
 
   <p>Represents a base of all rules. In other words, all rules
 inherits from this struct:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">MyRule</span> <span class="o">&lt;</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Rule</span><span class="t">::</span><span class="t">Base</span>
   <span class="k">def</span> <span class="m">test</span>(source)
     <span class="k">if</span> invalid?(source)
@@ -653,8 +657,7 @@ inherits from this struct:</p>
     <span class="c"># ...</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
-<p>Enforces rules to implement an abstract <code><a href="../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method">#test</a></code> method which
+<p>Enforces rules to implement an abstract <code><a href="../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method">#test</a></code> method which
 is designed to test the source passed in. If source has issues
 that are tested by this rule, it should add an issue.</p>
 
@@ -696,6 +699,8 @@ that are tested by this rule, it should add an issue.</p>
     
       <li class="other-type"><a href="../../Ameba/Rule/Layout/TrailingWhitespace.html">Ameba::Rule::Layout::TrailingWhitespace</a></li>
     
+      <li class="other-type"><a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">Ameba::Rule::Lint::AmbiguousAssignment</a></li>
+    
       <li class="other-type"><a href="../../Ameba/Rule/Lint/BadDirective.html">Ameba::Rule::Lint::BadDirective</a></li>
     
       <li class="other-type"><a href="../../Ameba/Rule/Lint/ComparisonToBoolean.html">Ameba::Rule::Lint::ComparisonToBoolean</a></li>
@@ -799,7 +804,7 @@ that are tested by this rule, it should add an issue.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L29" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L29" target="_blank">
         ameba/rule/base.cr
       </a>
     
@@ -844,21 +849,21 @@ that are tested by this rule, it should add an issue.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#==(other)-instance-method" class="signature"><strong>#==</strong>(other)</a>
+        <a href="#%3D%3D%28other%29-instance-method" class="signature"><strong>#==</strong>(other)</a>
         
           <div class="summary"><p>Returns <code>false</code> (other can only be a <code>Value</code> here).</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#catch(source:Source)-instance-method" class="signature"><strong>#catch</strong>(source : Source)</a>
+        <a href="#catch%28source%3ASource%29-instance-method" class="signature"><strong>#catch</strong>(source : Source)</a>
         
-          <div class="summary"><p>A convenient addition to <code><a href="../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method">#test</a></code> method that does the same but returns a passed in <code>source</code> as an addition.</p></div>
+          <div class="summary"><p>A convenient addition to <code><a href="../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method">#test</a></code> method that does the same but returns a passed in <code>source</code> as an addition.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded?(source)-instance-method" class="signature"><strong>#excluded?</strong>(source)</a>
+        <a href="#excluded%3F%28source%29-instance-method" class="signature"><strong>#excluded?</strong>(source)</a>
         
           <div class="summary"><p>Checks whether the source is excluded from this rule.</p></div>
         
@@ -886,19 +891,19 @@ that are tested by this rule, it should add an issue.</p>
       </li>
     
       <li class="entry-summary">
-        <a href="#special?-instance-method" class="signature"><strong>#special?</strong></a>
+        <a href="#special%3F-instance-method" class="signature"><strong>#special?</strong></a>
         
           <div class="summary"><p>Returns true if this rule is special and behaves differently than usual rules.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="signature"><strong>#test</strong>(source : Source, node : Crystal::ASTNode, *opts)</a>
+        <a href="#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="signature"><strong>#test</strong>(source : Source, node : Crystal::ASTNode, *opts)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source:Source)-instance-method" class="signature"><strong>#test</strong>(source : Source)</a>
+        <a href="#test%28source%3ASource%29-instance-method" class="signature"><strong>#test</strong>(source : Source)</a>
         
           <div class="summary"><p>This method is designed to test the source passed in.</p></div>
         
@@ -919,7 +924,7 @@ that are tested by this rule, it should add an issue.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#issue_for(*args)-macro" class="signature"><strong>issue_for</strong>(*args)</a>
+        <a href="#issue_for%28%2Aargs%29-macro" class="signature"><strong>issue_for</strong>(*args)</a>
         
       </li>
     
@@ -984,7 +989,6 @@ that are tested by this rule, it should add an issue.</p>
         <div class="doc">
           
           <p>Returns documentation for this rule if any.</p>
-
 <pre><code class="language-crystal"><span class="k">module</span> <span class="t">Ameba</span>
   <span class="c"># This is a test rule.</span>
   <span class="c"># Does nothing.</span>
@@ -1000,7 +1004,7 @@ that are tested by this rule, it should add an issue.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L161" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L161" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1022,7 +1026,7 @@ that are tested by this rule, it should add an issue.</p>
         
         def <strong>==</strong>(other)
 
-        <a class="method-permalink" href="#==(other)-instance-method">#</a>
+        <a class="method-permalink" href="#%3D%3D%28other%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1037,7 +1041,7 @@ that are tested by this rule, it should add an issue.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L107" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L107" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1047,14 +1051,13 @@ that are tested by this rule, it should add an issue.</p>
         
         def <strong>catch</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#catch(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#catch%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
-          <p>A convenient addition to <code><a href="../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method">#test</a></code> method that does the same
+          <p>A convenient addition to <code><a href="../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method">#test</a></code> method that does the same
 but returns a passed in <code>source</code> as an addition.</p>
-
 <pre><code class="language-crystal">source <span class="o">=</span> <span class="t">MyRule</span>.<span class="k">new</span>.catch(source)
 source.valid?</code></pre>
         </div>
@@ -1062,7 +1065,7 @@ source.valid?</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L52" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L52" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1072,7 +1075,7 @@ source.valid?</code></pre>
         
         def <strong>excluded?</strong>(source)
 
-        <a class="method-permalink" href="#excluded?(source)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3F%28source%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1080,14 +1083,13 @@ source.valid?</code></pre>
           <p>Checks whether the source is excluded from this rule.
 It searches for a path in <code>excluded</code> property which matches
 the one of the given source.</p>
-
 <pre><code class="language-crystal">my_rule.excluded?(source) <span class="c"># =&gt; true or false</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L90" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L90" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1103,7 +1105,6 @@ the one of the given source.</p>
         <div class="doc">
           
           <p>Returns a group this rule belong to.</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">MyGroup</span><span class="t">::</span><span class="t">MyRule</span> <span class="o">&lt;</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Rule</span><span class="t">::</span><span class="t">Base</span>
   <span class="c"># ...</span>
 <span class="k">end</span>
@@ -1114,7 +1115,7 @@ the one of the given source.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L79" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L79" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1134,12 +1135,9 @@ the one of the given source.</p>
             </div>
           
           <p>Generates an <code>UInt64</code> hash value for this object.</p>
-
 <p>This method must have the property that <code>a == b</code> implies <code>a.hash == b.hash</code>.</p>
-
-<p>The hash value is used along with <code><a href="../../Ameba/Rule/Base.html#==(other)-instance-method">#==</a></code> by the <code>Hash</code> class to determine if two objects
+<p>The hash value is used along with <code><a href="../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method">#==</a></code> by the <code>Hash</code> class to determine if two objects
 reference the same hash key.</p>
-
 <p>Subclasses must not override this method. Instead, they must define <code>hash(hasher)</code>,
 though usually the macro <code>def_hash</code> can be used to generate this method.</p>
         </div>
@@ -1147,7 +1145,7 @@ though usually the macro <code>def_hash</code> can be used to generate this meth
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L111" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L111" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1163,7 +1161,6 @@ though usually the macro <code>def_hash</code> can be used to generate this meth
         <div class="doc">
           
           <p>Returns a name of this rule, which is basically a class name.</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">MyRule</span> <span class="o">&lt;</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Rule</span><span class="t">::</span><span class="t">Base</span>
   <span class="k">def</span> <span class="m">test</span>(source)
   <span class="k">end</span>
@@ -1175,7 +1172,7 @@ though usually the macro <code>def_hash</code> can be used to generate this meth
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L66" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L66" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1185,21 +1182,20 @@ though usually the macro <code>def_hash</code> can be used to generate this meth
         
         def <strong>special?</strong>
 
-        <a class="method-permalink" href="#special?-instance-method">#</a>
+        <a class="method-permalink" href="#special%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns true if this rule is special and behaves differently than
 usual rules.</p>
-
 <pre><code class="language-crystal">my_rule.special? <span class="c"># =&gt; true or false</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L103" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L103" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1209,13 +1205,13 @@ usual rules.</p>
         
         def <strong>test</strong>(source : <a href="../../Ameba/Source.html">Source</a>, node : Crystal::ASTNode, *opts)
 
-        <a class="method-permalink" href="#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L41" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L41" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1225,14 +1221,13 @@ usual rules.</p>
         
         def <strong>test</strong>(source : <a href="../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#test(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This method is designed to test the source passed in. If source has issues
 that are tested by this rule, it should add an issue.</p>
-
 <p>Be default it uses a node visitor to traverse all the nodes in the source.
 Must be overriten for other type of rules.</p>
         </div>
@@ -1240,7 +1235,7 @@ Must be overriten for other type of rules.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L37" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L37" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1262,13 +1257,13 @@ Must be overriten for other type of rules.</p>
         
         macro <strong>issue_for</strong>(*args)
 
-        <a class="method-permalink" href="#issue_for(*args)-macro">#</a>
+        <a class="method-permalink" href="#issue_for%28%2Aargs%29-macro">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/base.cr#L115" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/base.cr#L115" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Layout.html b/Ameba/Rule/Layout.html
index e5d65778..e483e64c 100644
--- a/Ameba/Rule/Layout.html
+++ b/Ameba/Rule/Layout.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,21 +656,21 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/line_length.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/line_length.cr#L1" target="_blank">
         ameba/rule/layout/line_length.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_blank_lines.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_blank_lines.cr#L1" target="_blank">
         ameba/rule/layout/trailing_blank_lines.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_whitespace.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_whitespace.cr#L1" target="_blank">
         ameba/rule/layout/trailing_whitespace.cr
       </a>
     
diff --git a/Ameba/Rule/Layout/LineLength.html b/Ameba/Rule/Layout/LineLength.html
index 2a10d7cc..6a1f22e1 100644
--- a/Ameba/Rule/Layout/LineLength.html
+++ b/Ameba/Rule/Layout/LineLength.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -639,10 +644,8 @@
     Overview
   </h2>
 
-  <p>A rule that disallows lines longer than <code><a href="../../../Ameba/Rule/Layout/LineLength.html#max_length:Int32-instance-method">#max_length</a></code> number of symbols.</p>
-
+  <p>A rule that disallows lines longer than <code><a href="../../../Ameba/Rule/Layout/LineLength.html#max_length%3AInt32-instance-method">#max_length</a></code> number of symbols.</p>
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Layout/LineLength:
   Enabled: true
   MaxLength: 100</code></pre>
@@ -686,7 +689,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/line_length.cr#L11" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/line_length.cr#L11" target="_blank">
         ameba/rule/layout/line_length.cr
       </a>
     
@@ -727,14 +730,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
-          <div class="summary"><p>A rule that disallows lines longer than <code><a href="../../../Ameba/Rule/Layout/LineLength.html#max_length:Int32-instance-method">#max_length</a></code> number of symbols.</p></div>
+          <div class="summary"><p>A rule that disallows lines longer than <code><a href="../../../Ameba/Rule/Layout/LineLength.html#max_length%3AInt32-instance-method">#max_length</a></code> number of symbols.</p></div>
         
       </li>
     
@@ -755,57 +758,57 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled:Bool)-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
+        <a href="#enabled%3D%28enabled%3ABool%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_length:Int32-instance-method" class="signature"><strong>#max_length</strong> : Int32</a>
+        <a href="#max_length%3AInt32-instance-method" class="signature"><strong>#max_length</strong> : Int32</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_length=(max_length:Int32)-instance-method" class="signature"><strong>#max_length=</strong>(max_length : Int32)</a>
+        <a href="#max_length%3D%28max_length%3AInt32%29-instance-method" class="signature"><strong>#max_length=</strong>(max_length : Int32)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -842,17 +845,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -872,12 +875,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -947,7 +950,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -961,15 +964,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
-          <p>A rule that disallows lines longer than <code><a href="../../../Ameba/Rule/Layout/LineLength.html#max_length:Int32-instance-method">#max_length</a></code> number of symbols.</p>
-
+          <p>A rule that disallows lines longer than <code><a href="../../../Ameba/Rule/Layout/LineLength.html#max_length%3AInt32-instance-method">#max_length</a></code> number of symbols.</p>
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Layout/LineLength:
   Enabled: true
   MaxLength: 100</code></pre>
@@ -978,7 +979,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/line_length.cr#L11" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/line_length.cr#L11" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1002,7 +1003,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1016,7 +1017,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1030,7 +1031,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1044,7 +1045,7 @@
         
         def <strong>enabled=</strong>(enabled : Bool)
 
-        <a class="method-permalink" href="#enabled=(enabled:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1058,7 +1059,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1072,7 +1073,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1086,7 +1087,7 @@
         
         def <strong>max_length</strong> : Int32
 
-        <a class="method-permalink" href="#max_length:Int32-instance-method">#</a>
+        <a class="method-permalink" href="#max_length%3AInt32-instance-method">#</a>
       </div>
       
       <br/>
@@ -1100,7 +1101,7 @@
         
         def <strong>max_length=</strong>(max_length : Int32)
 
-        <a class="method-permalink" href="#max_length=(max_length:Int32)-instance-method">#</a>
+        <a class="method-permalink" href="#max_length%3D%28max_length%3AInt32%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1114,7 +1115,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1128,7 +1129,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1142,13 +1143,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/line_length.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/line_length.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Layout/TrailingBlankLines.html b/Ameba/Rule/Layout/TrailingBlankLines.html
index a5d72f0b..7f2b103e 100644
--- a/Ameba/Rule/Layout/TrailingBlankLines.html
+++ b/Ameba/Rule/Layout/TrailingBlankLines.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows trailing blank lines at the end of the source file.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Layout/TrailingBlankLines:
   Enabled: true</code></pre>
 
@@ -685,7 +688,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_blank_lines.cr#L10" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_blank_lines.cr#L10" target="_blank">
         ameba/rule/layout/trailing_blank_lines.cr
       </a>
     
@@ -731,12 +734,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows trailing blank lines at the end of the source file.</p></div>
         
@@ -759,47 +762,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -836,17 +839,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -866,12 +869,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -941,7 +944,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -955,15 +958,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows trailing blank lines at the end of the source file.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Layout/TrailingBlankLines:
   Enabled: true</code></pre>
         </div>
@@ -971,7 +972,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_blank_lines.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_blank_lines.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -995,7 +996,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1009,7 +1010,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1023,7 +1024,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1037,7 +1038,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1051,7 +1052,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1065,7 +1066,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1079,7 +1080,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1093,7 +1094,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1107,13 +1108,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_blank_lines.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_blank_lines.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Layout/TrailingWhitespace.html b/Ameba/Rule/Layout/TrailingWhitespace.html
index c2bbf775..f1e9f512 100644
--- a/Ameba/Rule/Layout/TrailingWhitespace.html
+++ b/Ameba/Rule/Layout/TrailingWhitespace.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows trailing whitespaces.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Layout/TrailingWhitespace:
   Enabled: true</code></pre>
 
@@ -685,7 +688,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_whitespace.cr#L10" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_whitespace.cr#L10" target="_blank">
         ameba/rule/layout/trailing_whitespace.cr
       </a>
     
@@ -726,12 +729,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows trailing whitespaces.</p></div>
         
@@ -754,47 +757,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -831,17 +834,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -861,12 +864,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -936,7 +939,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -950,15 +953,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows trailing whitespaces.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Layout/TrailingWhitespace:
   Enabled: true</code></pre>
         </div>
@@ -966,7 +967,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_whitespace.cr#L10" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_whitespace.cr#L10" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -990,7 +991,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1004,7 +1005,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1018,7 +1019,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1032,7 +1033,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1046,7 +1047,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1060,7 +1061,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1074,7 +1075,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1088,7 +1089,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1102,13 +1103,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/layout/trailing_whitespace.cr#L17" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/layout/trailing_whitespace.cr#L17" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint.html b/Ameba/Rule/Lint.html
index 7b45c653..3ac36b49 100644
--- a/Ameba/Rule/Lint.html
+++ b/Ameba/Rule/Lint.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,182 +656,189 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/bad_directive.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/ambiguous_assignment.cr#L1" target="_blank">
+        ameba/rule/lint/ambiguous_assignment.cr
+      </a>
+    
+    <br/>
+  
+    
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/bad_directive.cr#L1" target="_blank">
         ameba/rule/lint/bad_directive.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/comparison_to_boolean.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/comparison_to_boolean.cr#L1" target="_blank">
         ameba/rule/lint/comparison_to_boolean.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/debugger_statement.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/debugger_statement.cr#L1" target="_blank">
         ameba/rule/lint/debugger_statement.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/duplicated_require.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/duplicated_require.cr#L1" target="_blank">
         ameba/rule/lint/duplicated_require.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_ensure.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_ensure.cr#L1" target="_blank">
         ameba/rule/lint/empty_ensure.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_expression.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_expression.cr#L1" target="_blank">
         ameba/rule/lint/empty_expression.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_loop.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_loop.cr#L1" target="_blank">
         ameba/rule/lint/empty_loop.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/hash_duplicated_key.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/hash_duplicated_key.cr#L1" target="_blank">
         ameba/rule/lint/hash_duplicated_key.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L1" target="_blank">
         ameba/rule/lint/literal_in_condition.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_interpolation.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_interpolation.cr#L1" target="_blank">
         ameba/rule/lint/literal_in_interpolation.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/percent_array.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/percent_array.cr#L1" target="_blank">
         ameba/rule/lint/percent_array.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/rand_zero.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/rand_zero.cr#L1" target="_blank">
         ameba/rule/lint/rand_zero.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_string_coercion.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_string_coercion.cr#L1" target="_blank">
         ameba/rule/lint/redundant_string_coercion.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_index.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_index.cr#L1" target="_blank">
         ameba/rule/lint/redundant_with_index.cr
       </a>
     
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-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_object.cr#L1" target="_blank">
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diff --git a/Ameba/Rule/Lint/AmbiguousAssignment.html b/Ameba/Rule/Lint/AmbiguousAssignment.html
new file mode 100644
index 00000000..57e88073
--- /dev/null
+++ b/Ameba/Rule/Lint/AmbiguousAssignment.html
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+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/UnusedArgument" data-name="ameba::rule::lint::unusedargument">
+      <a href="../../../Ameba/Rule/Lint/UnusedArgument.html">UnusedArgument</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/UselessAssign" data-name="ameba::rule::lint::uselessassign">
+      <a href="../../../Ameba/Rule/Lint/UselessAssign.html">UselessAssign</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/UselessConditionInWhen" data-name="ameba::rule::lint::uselessconditioninwhen">
+      <a href="../../../Ameba/Rule/Lint/UselessConditionInWhen.html">UselessConditionInWhen</a>
+      
+    </li>
+  
+</ul>
+
+      
+    </li>
+  
+  <li class="parent " data-id="ameba/Ameba/Rule/Metrics" data-name="ameba::rule::metrics">
+      <a href="../../../Ameba/Rule/Metrics.html">Metrics</a>
+      
+        <ul>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Metrics/CyclomaticComplexity" data-name="ameba::rule::metrics::cyclomaticcomplexity">
+      <a href="../../../Ameba/Rule/Metrics/CyclomaticComplexity.html">CyclomaticComplexity</a>
+      
+    </li>
+  
+</ul>
+
+      
+    </li>
+  
+  <li class="parent " data-id="ameba/Ameba/Rule/Performance" data-name="ameba::rule::performance">
+      <a href="../../../Ameba/Rule/Performance.html">Performance</a>
+      
+        <ul>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/AnyAfterFilter" data-name="ameba::rule::performance::anyafterfilter">
+      <a href="../../../Ameba/Rule/Performance/AnyAfterFilter.html">AnyAfterFilter</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/AnyInsteadOfEmpty" data-name="ameba::rule::performance::anyinsteadofempty">
+      <a href="../../../Ameba/Rule/Performance/AnyInsteadOfEmpty.html">AnyInsteadOfEmpty</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/Base" data-name="ameba::rule::performance::base">
+      <a href="../../../Ameba/Rule/Performance/Base.html">Base</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/ChainedCallWithNoBang" data-name="ameba::rule::performance::chainedcallwithnobang">
+      <a href="../../../Ameba/Rule/Performance/ChainedCallWithNoBang.html">ChainedCallWithNoBang</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/CompactAfterMap" data-name="ameba::rule::performance::compactaftermap">
+      <a href="../../../Ameba/Rule/Performance/CompactAfterMap.html">CompactAfterMap</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/FirstLastAfterFilter" data-name="ameba::rule::performance::firstlastafterfilter">
+      <a href="../../../Ameba/Rule/Performance/FirstLastAfterFilter.html">FirstLastAfterFilter</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/FlattenAfterMap" data-name="ameba::rule::performance::flattenaftermap">
+      <a href="../../../Ameba/Rule/Performance/FlattenAfterMap.html">FlattenAfterMap</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/MapInsteadOfBlock" data-name="ameba::rule::performance::mapinsteadofblock">
+      <a href="../../../Ameba/Rule/Performance/MapInsteadOfBlock.html">MapInsteadOfBlock</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Performance/SizeAfterFilter" data-name="ameba::rule::performance::sizeafterfilter">
+      <a href="../../../Ameba/Rule/Performance/SizeAfterFilter.html">SizeAfterFilter</a>
+      
+    </li>
+  
+</ul>
+
+      
+    </li>
+  
+  <li class="parent " data-id="ameba/Ameba/Rule/Style" data-name="ameba::rule::style">
+      <a href="../../../Ameba/Rule/Style.html">Style</a>
+      
+        <ul>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/ConstantNames" data-name="ameba::rule::style::constantnames">
+      <a href="../../../Ameba/Rule/Style/ConstantNames.html">ConstantNames</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/IsAFilter" data-name="ameba::rule::style::isafilter">
+      <a href="../../../Ameba/Rule/Style/IsAFilter.html">IsAFilter</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/IsANil" data-name="ameba::rule::style::isanil">
+      <a href="../../../Ameba/Rule/Style/IsANil.html">IsANil</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/LargeNumbers" data-name="ameba::rule::style::largenumbers">
+      <a href="../../../Ameba/Rule/Style/LargeNumbers.html">LargeNumbers</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/MethodNames" data-name="ameba::rule::style::methodnames">
+      <a href="../../../Ameba/Rule/Style/MethodNames.html">MethodNames</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/NegatedConditionsInUnless" data-name="ameba::rule::style::negatedconditionsinunless">
+      <a href="../../../Ameba/Rule/Style/NegatedConditionsInUnless.html">NegatedConditionsInUnless</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/PredicateName" data-name="ameba::rule::style::predicatename">
+      <a href="../../../Ameba/Rule/Style/PredicateName.html">PredicateName</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/RedundantBegin" data-name="ameba::rule::style::redundantbegin">
+      <a href="../../../Ameba/Rule/Style/RedundantBegin.html">RedundantBegin</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/RedundantNext" data-name="ameba::rule::style::redundantnext">
+      <a href="../../../Ameba/Rule/Style/RedundantNext.html">RedundantNext</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/RedundantReturn" data-name="ameba::rule::style::redundantreturn">
+      <a href="../../../Ameba/Rule/Style/RedundantReturn.html">RedundantReturn</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/TypeNames" data-name="ameba::rule::style::typenames">
+      <a href="../../../Ameba/Rule/Style/TypeNames.html">TypeNames</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/UnlessElse" data-name="ameba::rule::style::unlesselse">
+      <a href="../../../Ameba/Rule/Style/UnlessElse.html">UnlessElse</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/VariableNames" data-name="ameba::rule::style::variablenames">
+      <a href="../../../Ameba/Rule/Style/VariableNames.html">VariableNames</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/VerboseBlock" data-name="ameba::rule::style::verboseblock">
+      <a href="../../../Ameba/Rule/Style/VerboseBlock.html">VerboseBlock</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Rule/Style/WhileTrue" data-name="ameba::rule::style::whiletrue">
+      <a href="../../../Ameba/Rule/Style/WhileTrue.html">WhileTrue</a>
+      
+    </li>
+  
+</ul>
+
+      
+    </li>
+  
+</ul>
+
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Runner" data-name="ameba::runner">
+      <a href="../../../Ameba/Runner.html">Runner</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Severity" data-name="ameba::severity">
+      <a href="../../../Ameba/Severity.html">Severity</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/SeverityYamlConverter" data-name="ameba::severityyamlconverter">
+      <a href="../../../Ameba/SeverityYamlConverter.html">SeverityYamlConverter</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Source" data-name="ameba::source">
+      <a href="../../../Ameba/Source.html">Source</a>
+      
+    </li>
+  
+  <li class=" " data-id="ameba/Ameba/Tokenizer" data-name="ameba::tokenizer">
+      <a href="../../../Ameba/Tokenizer.html">Tokenizer</a>
+      
+    </li>
+  
+</ul>
+
+      
+    </li>
+  
+</ul>
+
+  </div>
+</div>
+
+
+<div class="main-content">
+<h1 class="type-name">
+
+  <span class="kind">class</span> Ameba::Rule::Lint::AmbiguousAssignment
+
+</h1>
+
+
+  <ul class="superclass-hierarchy"><li class="superclass"><a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">Ameba::Rule::Lint::AmbiguousAssignment</a></li><li class="superclass"><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></li><li class="superclass">Reference</li><li class="superclass">Object</li></ul>
+
+
+
+
+  <h2>
+    <a id="overview" class="anchor" href="#overview">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Overview
+  </h2>
+
+  <p>This rule checks for mistyped shorthand assignments.</p>
+<pre><code class="language-crystal"><span class="c"># bad</span>
+x <span class="o">=</span><span class="o">-</span> y
+x <span class="o">=</span><span class="o">+</span> y
+x <span class="o">=</span><span class="o">!</span> y
+
+<span class="c"># good</span>
+x -= y <span class="c"># or x = -y</span>
+x += y <span class="c"># or x = +y</span>
+x <span class="o">!=</span> y <span class="c"># or x = !y</span></code></pre>
+<p>YAML configuration example:</p>
+<pre><code class="language-crystal">Lint/AmbiguousAssignment:
+  Enabled: true</code></pre>
+
+
+
+
+
+  <h2>
+    <a id="included-modules" class="anchor" href="#included-modules">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Included Modules
+  </h2>
+  <ul class="other-types-list">
+    
+      <li class="other-type"><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></li>
+    
+      <li class="other-type">YAML::Serializable</li>
+    
+      <li class="other-type">YAML::Serializable::Strict</li>
+    
+  </ul>
+
+
+
+
+
+
+
+
+
+
+  <h2>
+    <a id="defined-in" class="anchor" href="#defined-in">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Defined in:
+  </h2>
+  
+    
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/ambiguous_assignment.cr#L20" target="_blank">
+        ameba/rule/lint/ambiguous_assignment.cr
+      </a>
+    
+    <br/>
+  
+
+
+
+  
+    <h2>
+      <a id="constant-summary" class="anchor" href="#constant-summary">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+      Constant Summary
+    </h2>
+  
+  <dl>
+    
+      <dt class="entry-const" id="MISTAKES">
+        <strong>MISTAKES</strong> = <code>{<span class="s">&quot;=-&quot;</span> => <span class="s">&quot;-=&quot;</span>, <span class="s">&quot;=+&quot;</span> => <span class="s">&quot;+=&quot;</span>, <span class="s">&quot;=!&quot;</span> => <span class="s">&quot;!=&quot;</span>}</code>
+      </dt>
+      
+    
+      <dt class="entry-const" id="MSG">
+        <strong>MSG</strong> = <code><span class="s">&quot;Suspicious assignment detected. Did you mean `%s`?&quot;</span></code>
+      </dt>
+      
+    
+  </dl>
+
+
+
+  <h2>
+    <a id="constructors" class="anchor" href="#constructors">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Constructors
+  </h2>
+  <ul class="list-summary">
+    
+      <li class="entry-summary">
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        
+          <div class="summary"><p>This rule checks for mistyped shorthand assignments.</p></div>
+        
+      </li>
+    
+  </ul>
+
+
+
+
+
+  <h2>
+    <a id="instance-method-summary" class="anchor" href="#instance-method-summary">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Instance Method Summary
+  </h2>
+  <ul class="list-summary">
+    
+      <li class="entry-summary">
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        
+      </li>
+    
+      <li class="entry-summary">
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AAssign%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Assign)</a>
+        
+      </li>
+    
+  </ul>
+
+
+
+
+
+<div class="methods-inherited">
+  
+    
+
+  <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
+  
+  
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
+      <span>abort?(node)</span>
+    abort?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
+      <span>exit?(node)</span>
+    exit?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
+      <span>flow_command?(node, in_loop)</span>
+    flow_command?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
+      <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
+    flow_expression?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
+      <span>literal?(node)</span>
+    literal?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
+      <span>loop?(node)</span>
+    loop?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
+      <span>node_source(node, code_lines)</span>
+    node_source</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
+      <span>raise?(node)</span>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
+    
+  
+
+
+    
+
+
+    
+
+
+  
+    
+
+
+    
+
+
+    
+
+
+  
+    
+
+
+    
+
+
+    
+
+
+  
+    
+
+  <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
+  
+  
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
+      <span>==(other)</span>
+    ==</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
+      <span>catch(source : Source)</span>
+    catch</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
+      <span>excluded?(source)</span>
+    excluded?</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#group-instance-method" class="tooltip">
+      <span>group</span>
+    group</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#hash-instance-method" class="tooltip">
+      <span>hash</span>
+    hash</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#name-instance-method" class="tooltip">
+      <span>name</span>
+    name</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
+      <span>special?</span>
+    special?</a>, 
+    
+  
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
+      <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
+    test</a>
+    
+  
+
+
+    
+
+
+    
+
+  <h3>Class methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
+  
+  
+    <a href="../../../Ameba/Rule/Base.html#parsed_doc-class-method" class="tooltip">
+      <span>parsed_doc</span>
+    parsed_doc</a>
+    
+  
+
+
+  
+    
+
+
+    
+
+
+    
+
+
+  
+    
+
+
+    
+
+
+    
+
+
+  
+    
+
+
+    
+
+
+    
+
+
+  
+</div>
+
+
+  <h2>
+    <a id="constructor-detail" class="anchor" href="#constructor-detail">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Constructor Detail
+  </h2>
+  
+    <div class="entry-detail" id="new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">
+      <div class="signature">
+        
+        def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
+
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="new(config=nil)-class-method">
+      <div class="signature">
+        
+        def self.<strong>new</strong>(config = <span class="n">nil</span>)
+
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
+      </div>
+      
+        <div class="doc">
+          
+          <p>This rule checks for mistyped shorthand assignments.</p>
+<pre><code class="language-crystal"><span class="c"># bad</span>
+x <span class="o">=</span><span class="o">-</span> y
+x <span class="o">=</span><span class="o">+</span> y
+x <span class="o">=</span><span class="o">!</span> y
+
+<span class="c"># good</span>
+x -= y <span class="c"># or x = -y</span>
+x += y <span class="c"># or x = +y</span>
+x <span class="o">!=</span> y <span class="c"># or x = !y</span></code></pre>
+<p>YAML configuration example:</p>
+<pre><code class="language-crystal">Lint/AmbiguousAssignment:
+  Enabled: true</code></pre>
+        </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/ambiguous_assignment.cr#L20" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+
+
+
+
+
+  <h2>
+    <a id="instance-method-detail" class="anchor" href="#instance-method-detail">
+  <svg class="octicon-link" aria-hidden="true">
+    <use href="#octicon-link"/>
+  </svg>
+</a>
+    Instance Method Detail
+  </h2>
+  
+    <div class="entry-detail" id="description:String-instance-method">
+      <div class="signature">
+        
+        def <strong>description</strong> : String
+
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="description=(description:String)-instance-method">
+      <div class="signature">
+        
+        def <strong>description=</strong>(description : String)
+
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="enabled:Bool-instance-method">
+      <div class="signature">
+        
+        def <strong>enabled</strong> : Bool
+
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="enabled=(enabled)-instance-method">
+      <div class="signature">
+        
+        def <strong>enabled=</strong>(enabled)
+
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="excluded:Array(String)?-instance-method">
+      <div class="signature">
+        
+        def <strong>excluded</strong> : Array(String)?
+
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="excluded=(excluded:Array(String)?)-instance-method">
+      <div class="signature">
+        
+        def <strong>excluded=</strong>(excluded : Array(String)?)
+
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="severity:Ameba::Severity-instance-method">
+      <div class="signature">
+        
+        def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
+
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="severity=(severity)-instance-method">
+      <div class="signature">
+        
+        def <strong>severity=</strong>(severity)
+
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+      </div>
+    </div>
+  
+    <div class="entry-detail" id="test(source,node:Crystal::Assign)-instance-method">
+      <div class="signature">
+        
+        def <strong>test</strong>(source, node : Crystal::Assign)
+
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AAssign%29-instance-method">#</a>
+      </div>
+      
+      <br/>
+      <div>
+        
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/ambiguous_assignment.cr#L35" target="_blank">View source</a>]
+        
+      </div>
+    </div>
+  
+
+
+
+
+</div>
+
+</body>
+</html>
diff --git a/Ameba/Rule/Lint/BadDirective.html b/Ameba/Rule/Lint/BadDirective.html
index 426ec814..fe0ba291 100644
--- a/Ameba/Rule/Lint/BadDirective.html
+++ b/Ameba/Rule/Lint/BadDirective.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" current" data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,17 +645,13 @@
   </h2>
 
   <p>A rule that reports incorrect comment directives for Ameba.</p>
-
 <p>For example, the user can mistakenly add a directive
 to disable a rule that even doesn't exist:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable BadRuleName</span>
 <span class="k">def</span> <span class="m">foo</span>
   <span class="n">:bar</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/BadDirective:
   Enabled: true</code></pre>
 
@@ -693,7 +694,7 @@ to disable a rule that even doesn't exist:</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/bad_directive.cr#L20" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/bad_directive.cr#L20" target="_blank">
         ameba/rule/lint/bad_directive.cr
       </a>
     
@@ -744,12 +745,12 @@ to disable a rule that even doesn't exist:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that reports incorrect comment directives for Ameba.</p></div>
         
@@ -772,47 +773,47 @@ to disable a rule that even doesn't exist:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -849,17 +850,17 @@ to disable a rule that even doesn't exist:</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -879,12 +880,12 @@ to disable a rule that even doesn't exist:</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -954,7 +955,7 @@ to disable a rule that even doesn't exist:</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -968,23 +969,19 @@ to disable a rule that even doesn't exist:</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that reports incorrect comment directives for Ameba.</p>
-
 <p>For example, the user can mistakenly add a directive
 to disable a rule that even doesn't exist:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable BadRuleName</span>
 <span class="k">def</span> <span class="m">foo</span>
   <span class="n">:bar</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/BadDirective:
   Enabled: true</code></pre>
         </div>
@@ -992,7 +989,7 @@ to disable a rule that even doesn't exist:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/bad_directive.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/bad_directive.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1016,7 +1013,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1030,7 +1027,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1044,7 +1041,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1058,7 +1055,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1072,7 +1069,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1086,7 +1083,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1100,7 +1097,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1114,7 +1111,7 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1128,13 +1125,13 @@ to disable a rule that even doesn't exist:</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/bad_directive.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/bad_directive.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/ComparisonToBoolean.html b/Ameba/Rule/Lint/ComparisonToBoolean.html
index 4ecacbd7..4cc150d2 100644
--- a/Ameba/Rule/Lint/ComparisonToBoolean.html
+++ b/Ameba/Rule/Lint/ComparisonToBoolean.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,19 +645,14 @@
   </h2>
 
   <p>A rule that disallows comparison to booleans.</p>
-
 <p>For example, these are considered invalid:</p>
-
 <pre><code class="language-crystal">foo <span class="o">==</span> <span class="n">true</span>
 bar <span class="o">!=</span> <span class="n">false</span>
 <span class="n">false</span> <span class="o">===</span> baz</code></pre>
-
 <p>This is because these expressions evaluate to <code>true</code> or <code>false</code>, so you
 could get the same result by using either the variable directly,
 or negating the variable.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ComparisonToBoolean:
   Enabled: true</code></pre>
 
@@ -695,7 +695,7 @@ or negating the variable.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/comparison_to_boolean.cr#L22" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/comparison_to_boolean.cr#L22" target="_blank">
         ameba/rule/lint/comparison_to_boolean.cr
       </a>
     
@@ -741,12 +741,12 @@ or negating the variable.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows comparison to booleans.</p></div>
         
@@ -769,47 +769,47 @@ or negating the variable.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled:Bool)-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
+        <a href="#enabled%3D%28enabled%3ABool%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -846,17 +846,17 @@ or negating the variable.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -876,12 +876,12 @@ or negating the variable.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -951,7 +951,7 @@ or negating the variable.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -965,25 +965,20 @@ or negating the variable.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows comparison to booleans.</p>
-
 <p>For example, these are considered invalid:</p>
-
 <pre><code class="language-crystal">foo <span class="o">==</span> <span class="n">true</span>
 bar <span class="o">!=</span> <span class="n">false</span>
 <span class="n">false</span> <span class="o">===</span> baz</code></pre>
-
 <p>This is because these expressions evaluate to <code>true</code> or <code>false</code>, so you
 could get the same result by using either the variable directly,
 or negating the variable.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ComparisonToBoolean:
   Enabled: true</code></pre>
         </div>
@@ -991,7 +986,7 @@ or negating the variable.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/comparison_to_boolean.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/comparison_to_boolean.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1015,7 +1010,7 @@ or negating the variable.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1029,7 +1024,7 @@ or negating the variable.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1043,7 +1038,7 @@ or negating the variable.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1057,7 +1052,7 @@ or negating the variable.</p>
         
         def <strong>enabled=</strong>(enabled : Bool)
 
-        <a class="method-permalink" href="#enabled=(enabled:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1071,7 +1066,7 @@ or negating the variable.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1085,7 +1080,7 @@ or negating the variable.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1099,7 +1094,7 @@ or negating the variable.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1113,7 +1108,7 @@ or negating the variable.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1127,13 +1122,13 @@ or negating the variable.</p>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/comparison_to_boolean.cr#L31" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/comparison_to_boolean.cr#L31" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/DebuggerStatement.html b/Ameba/Rule/Lint/DebuggerStatement.html
index f87ba1ff..098d73e3 100644
--- a/Ameba/Rule/Lint/DebuggerStatement.html
+++ b/Ameba/Rule/Lint/DebuggerStatement.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,12 +645,9 @@
   </h2>
 
   <p>A rule that disallows calls to debugger.</p>
-
 <p>This is because we don't want debugger breakpoints accidentally being
 committed into our codebase.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/DebuggerStatement:
   Enabled: true</code></pre>
 
@@ -688,7 +690,7 @@ committed into our codebase.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/debugger_statement.cr#L13" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/debugger_statement.cr#L13" target="_blank">
         ameba/rule/lint/debugger_statement.cr
       </a>
     
@@ -729,12 +731,12 @@ committed into our codebase.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows calls to debugger.</p></div>
         
@@ -757,47 +759,47 @@ committed into our codebase.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -834,17 +836,17 @@ committed into our codebase.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -864,12 +866,12 @@ committed into our codebase.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -939,7 +941,7 @@ committed into our codebase.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -953,18 +955,15 @@ committed into our codebase.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows calls to debugger.</p>
-
 <p>This is because we don't want debugger breakpoints accidentally being
 committed into our codebase.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/DebuggerStatement:
   Enabled: true</code></pre>
         </div>
@@ -972,7 +971,7 @@ committed into our codebase.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/debugger_statement.cr#L13" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/debugger_statement.cr#L13" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -996,7 +995,7 @@ committed into our codebase.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1010,7 +1009,7 @@ committed into our codebase.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1024,7 +1023,7 @@ committed into our codebase.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1038,7 +1037,7 @@ committed into our codebase.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1052,7 +1051,7 @@ committed into our codebase.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1066,7 +1065,7 @@ committed into our codebase.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1080,7 +1079,7 @@ committed into our codebase.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1094,7 +1093,7 @@ committed into our codebase.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1108,13 +1107,13 @@ committed into our codebase.</p>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/debugger_statement.cr#L20" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/debugger_statement.cr#L20" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/DuplicatedRequire.html b/Ameba/Rule/Lint/DuplicatedRequire.html
index 8e5804c3..be257d2e 100644
--- a/Ameba/Rule/Lint/DuplicatedRequire.html
+++ b/Ameba/Rule/Lint/DuplicatedRequire.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,13 +645,10 @@
   </h2>
 
   <p>A rule that reports duplicated require statements.</p>
-
 <pre><code class="language-crystal"><span class="k">require</span> <span class="s">&quot;./thing&quot;</span>
 <span class="k">require</span> <span class="s">&quot;./stuff&quot;</span>
 <span class="k">require</span> <span class="s">&quot;./thing&quot;</span> <span class="c"># duplicated require</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/DuplicatedRequire:
   Enabled: true</code></pre>
 
@@ -689,7 +691,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/duplicated_require.cr#L16" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/duplicated_require.cr#L16" target="_blank">
         ameba/rule/lint/duplicated_require.cr
       </a>
     
@@ -730,12 +732,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that reports duplicated require statements.</p></div>
         
@@ -758,47 +760,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -835,17 +837,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -865,12 +867,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -940,7 +942,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -954,19 +956,16 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that reports duplicated require statements.</p>
-
 <pre><code class="language-crystal"><span class="k">require</span> <span class="s">&quot;./thing&quot;</span>
 <span class="k">require</span> <span class="s">&quot;./stuff&quot;</span>
 <span class="k">require</span> <span class="s">&quot;./thing&quot;</span> <span class="c"># duplicated require</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/DuplicatedRequire:
   Enabled: true</code></pre>
         </div>
@@ -974,7 +973,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/duplicated_require.cr#L16" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/duplicated_require.cr#L16" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -998,7 +997,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1012,7 +1011,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1026,7 +1025,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1040,7 +1039,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1054,7 +1053,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1068,7 +1067,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1082,7 +1081,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1096,7 +1095,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1110,13 +1109,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/duplicated_require.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/duplicated_require.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/EmptyEnsure.html b/Ameba/Rule/Lint/EmptyEnsure.html
index 4c90d79d..9bda754d 100644
--- a/Ameba/Rule/Lint/EmptyEnsure.html
+++ b/Ameba/Rule/Lint/EmptyEnsure.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows empty ensure statement.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   do_some_stuff
 <span class="k">ensure</span>
@@ -652,9 +655,7 @@
   do_some_stuff
 <span class="k">ensure</span>
 <span class="k">end</span></code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   do_some_stuff
 <span class="k">ensure</span>
@@ -666,9 +667,7 @@
 <span class="k">ensure</span>
   do_something_else
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/EmptyEnsure
   Enabled: true</code></pre>
 
@@ -711,7 +710,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_ensure.cr#L41" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_ensure.cr#L41" target="_blank">
         ameba/rule/lint/empty_ensure.cr
       </a>
     
@@ -752,12 +751,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows empty ensure statement.</p></div>
         
@@ -780,47 +779,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ExceptionHandler)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ExceptionHandler)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AExceptionHandler%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ExceptionHandler)</a>
         
       </li>
     
@@ -857,17 +856,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -887,12 +886,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -962,7 +961,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -976,15 +975,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows empty ensure statement.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   do_some_stuff
 <span class="k">ensure</span>
@@ -994,9 +991,7 @@
   do_some_stuff
 <span class="k">ensure</span>
 <span class="k">end</span></code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   do_some_stuff
 <span class="k">ensure</span>
@@ -1008,9 +1003,7 @@
 <span class="k">ensure</span>
   do_something_else
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/EmptyEnsure
   Enabled: true</code></pre>
         </div>
@@ -1018,7 +1011,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_ensure.cr#L41" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_ensure.cr#L41" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1042,7 +1035,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1056,7 +1049,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1070,7 +1063,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1084,7 +1077,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1098,7 +1091,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1112,7 +1105,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1126,7 +1119,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1140,7 +1133,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1154,13 +1147,13 @@
         
         def <strong>test</strong>(source, node : Crystal::ExceptionHandler)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ExceptionHandler)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AExceptionHandler%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_ensure.cr#L48" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_ensure.cr#L48" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/EmptyExpression.html b/Ameba/Rule/Lint/EmptyExpression.html
index f39a688d..7a056d60 100644
--- a/Ameba/Rule/Lint/EmptyExpression.html
+++ b/Ameba/Rule/Lint/EmptyExpression.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,25 +645,19 @@
   </h2>
 
   <p>A rule that disallows empty expressions.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal">foo <span class="o">=</span> ()
 
 <span class="k">if</span> ()
   bar
 <span class="k">end</span></code></pre>
-
 <p>And this is valid:</p>
-
 <pre><code class="language-crystal">foo <span class="o">=</span> (some_expression)
 
 <span class="k">if</span> (some_expression)
   bar
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/EmptyExpression:
   Enabled: true</code></pre>
 
@@ -703,7 +702,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_expression.cr#L30" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_expression.cr#L30" target="_blank">
         ameba/rule/lint/empty_expression.cr
       </a>
     
@@ -749,12 +748,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows empty expressions.</p></div>
         
@@ -777,52 +776,52 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled:Bool)-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
+        <a href="#enabled%3D%28enabled%3ABool%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::NilLiteral)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::NilLiteral)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ANilLiteral%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::NilLiteral)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Expressions)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Expressions)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AExpressions%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Expressions)</a>
         
       </li>
     
@@ -839,44 +838,49 @@
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -913,17 +917,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -943,12 +947,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1018,7 +1022,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1032,31 +1036,25 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows empty expressions.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal">foo <span class="o">=</span> ()
 
 <span class="k">if</span> ()
   bar
 <span class="k">end</span></code></pre>
-
 <p>And this is valid:</p>
-
 <pre><code class="language-crystal">foo <span class="o">=</span> (some_expression)
 
 <span class="k">if</span> (some_expression)
   bar
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/EmptyExpression:
   Enabled: true</code></pre>
         </div>
@@ -1064,7 +1062,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_expression.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_expression.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1088,7 +1086,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1102,7 +1100,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1116,7 +1114,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1130,7 +1128,7 @@
         
         def <strong>enabled=</strong>(enabled : Bool)
 
-        <a class="method-permalink" href="#enabled=(enabled:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1144,7 +1142,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1158,7 +1156,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1172,7 +1170,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1186,7 +1184,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1200,13 +1198,13 @@
         
         def <strong>test</strong>(source, node : Crystal::NilLiteral)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::NilLiteral)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ANilLiteral%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_expression.cr#L41" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_expression.cr#L41" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1216,13 +1214,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Expressions)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Expressions)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AExpressions%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_expression.cr#L48" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_expression.cr#L48" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/EmptyLoop.html b/Ameba/Rule/Lint/EmptyLoop.html
index 1c1bc4c2..81e3e560 100644
--- a/Ameba/Rule/Lint/EmptyLoop.html
+++ b/Ameba/Rule/Lint/EmptyLoop.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows empty loops.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">while</span> <span class="n">false</span>
 <span class="k">end</span>
 
@@ -652,9 +655,7 @@
 loop <span class="k">do</span>
   <span class="c"># nothing here</span>
 <span class="k">end</span></code></pre>
-
 <p>And this is valid:</p>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 <span class="k">while</span> a <span class="o">&lt;</span> <span class="n">10</span>
   a += <span class="n">1</span>
@@ -666,9 +667,7 @@ loop <span class="k">do</span>
 loop <span class="k">do</span>
   do_something_here
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/EmptyLoop:
   Enabled: true</code></pre>
 
@@ -713,7 +712,7 @@ loop <span class="k">do</span>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_loop.cr#L40" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_loop.cr#L40" target="_blank">
         ameba/rule/lint/empty_loop.cr
       </a>
     
@@ -754,12 +753,12 @@ loop <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows empty loops.</p></div>
         
@@ -782,57 +781,57 @@ loop <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::While)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::While)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AWhile%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::While)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Until)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Until)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AUntil%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Until)</a>
         
       </li>
     
@@ -849,44 +848,49 @@ loop <span class="k">do</span>
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -923,17 +927,17 @@ loop <span class="k">do</span>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -953,12 +957,12 @@ loop <span class="k">do</span>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1028,7 +1032,7 @@ loop <span class="k">do</span>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1042,15 +1046,13 @@ loop <span class="k">do</span>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows empty loops.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">while</span> <span class="n">false</span>
 <span class="k">end</span>
 
@@ -1060,9 +1062,7 @@ loop <span class="k">do</span>
 loop <span class="k">do</span>
   <span class="c"># nothing here</span>
 <span class="k">end</span></code></pre>
-
 <p>And this is valid:</p>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 <span class="k">while</span> a <span class="o">&lt;</span> <span class="n">10</span>
   a += <span class="n">1</span>
@@ -1074,9 +1074,7 @@ loop <span class="k">do</span>
 loop <span class="k">do</span>
   do_something_here
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/EmptyLoop:
   Enabled: true</code></pre>
         </div>
@@ -1084,7 +1082,7 @@ loop <span class="k">do</span>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_loop.cr#L40" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_loop.cr#L40" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1108,7 +1106,7 @@ loop <span class="k">do</span>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1122,7 +1120,7 @@ loop <span class="k">do</span>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1136,7 +1134,7 @@ loop <span class="k">do</span>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1150,7 +1148,7 @@ loop <span class="k">do</span>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1164,7 +1162,7 @@ loop <span class="k">do</span>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1178,7 +1176,7 @@ loop <span class="k">do</span>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1192,7 +1190,7 @@ loop <span class="k">do</span>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1206,7 +1204,7 @@ loop <span class="k">do</span>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1220,13 +1218,13 @@ loop <span class="k">do</span>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_loop.cr#L49" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_loop.cr#L49" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1236,13 +1234,13 @@ loop <span class="k">do</span>
         
         def <strong>test</strong>(source, node : Crystal::While)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::While)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AWhile%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_loop.cr#L55" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_loop.cr#L55" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1252,13 +1250,13 @@ loop <span class="k">do</span>
         
         def <strong>test</strong>(source, node : Crystal::Until)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Until)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AUntil%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/empty_loop.cr#L59" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/empty_loop.cr#L59" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/HashDuplicatedKey.html b/Ameba/Rule/Lint/HashDuplicatedKey.html
index dcd5e320..daab7d2c 100644
--- a/Ameba/Rule/Lint/HashDuplicatedKey.html
+++ b/Ameba/Rule/Lint/HashDuplicatedKey.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,17 +645,11 @@
   </h2>
 
   <p>A rule that disallows duplicated keys in hash literals.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal">h <span class="o">=</span> {<span class="s">&quot;foo&quot;</span> => <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> => <span class="n">2</span>, <span class="s">&quot;foo&quot;</span> => <span class="n">3</span>}</code></pre>
-
 <p>And it has to written as this instead:</p>
-
 <pre><code class="language-crystal">h <span class="o">=</span> {<span class="s">&quot;foo&quot;</span> => <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> => <span class="n">2</span>}</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/HashDuplicatedKey:
   Enabled: true</code></pre>
 
@@ -693,7 +692,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/hash_duplicated_key.cr#L22" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/hash_duplicated_key.cr#L22" target="_blank">
         ameba/rule/lint/hash_duplicated_key.cr
       </a>
     
@@ -734,12 +733,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows duplicated keys in hash literals.</p></div>
         
@@ -762,47 +761,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::HashLiteral)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::HashLiteral)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AHashLiteral%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::HashLiteral)</a>
         
       </li>
     
@@ -839,17 +838,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -869,12 +868,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -944,7 +943,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -958,23 +957,17 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows duplicated keys in hash literals.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal">h <span class="o">=</span> {<span class="s">&quot;foo&quot;</span> => <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> => <span class="n">2</span>, <span class="s">&quot;foo&quot;</span> => <span class="n">3</span>}</code></pre>
-
 <p>And it has to written as this instead:</p>
-
 <pre><code class="language-crystal">h <span class="o">=</span> {<span class="s">&quot;foo&quot;</span> => <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> => <span class="n">2</span>}</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/HashDuplicatedKey:
   Enabled: true</code></pre>
         </div>
@@ -982,7 +975,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/hash_duplicated_key.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/hash_duplicated_key.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1006,7 +999,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1020,7 +1013,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1034,7 +1027,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1048,7 +1041,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1062,7 +1055,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1076,7 +1069,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1090,7 +1083,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1104,7 +1097,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,13 +1111,13 @@
         
         def <strong>test</strong>(source, node : Crystal::HashLiteral)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::HashLiteral)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AHashLiteral%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/hash_duplicated_key.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/hash_duplicated_key.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/LiteralInCondition.html b/Ameba/Rule/Lint/LiteralInCondition.html
index 292dfef5..f7774679 100644
--- a/Ameba/Rule/Lint/LiteralInCondition.html
+++ b/Ameba/Rule/Lint/LiteralInCondition.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,19 +646,14 @@
 
   <p>A rule that disallows useless conditional statements that contain a literal
 in place of a variable or predicate function.</p>
-
 <p>This is because a conditional construct with a literal predicate will
 always result in the same behaviour at run time, meaning it can be
 replaced with either the body of the construct, or deleted entirely.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> <span class="s">&quot;something&quot;</span>
   <span class="n">:ok</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/LiteralInCondition:
   Enabled: true</code></pre>
 
@@ -698,7 +698,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L22" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L22" target="_blank">
         ameba/rule/lint/literal_in_condition.cr
       </a>
     
@@ -739,12 +739,12 @@ replaced with either the body of the construct, or deleted entirely.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows useless conditional statements that contain a literal in place of a variable or predicate function.</p></div>
         
@@ -767,62 +767,62 @@ replaced with either the body of the construct, or deleted entirely.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#check_node(source,node)-instance-method" class="signature"><strong>#check_node</strong>(source, node)</a>
+        <a href="#check_node%28source%2Cnode%29-instance-method" class="signature"><strong>#check_node</strong>(source, node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::If)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::If)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AIf%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::If)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Unless)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Unless)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AUnless%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Unless)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Case)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Case)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACase%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Case)</a>
         
       </li>
     
@@ -839,44 +839,49 @@ replaced with either the body of the construct, or deleted entirely.</p>
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -913,17 +918,17 @@ replaced with either the body of the construct, or deleted entirely.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -943,12 +948,12 @@ replaced with either the body of the construct, or deleted entirely.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1018,7 +1023,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1032,26 +1037,21 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows useless conditional statements that contain a literal
 in place of a variable or predicate function.</p>
-
 <p>This is because a conditional construct with a literal predicate will
 always result in the same behaviour at run time, meaning it can be
 replaced with either the body of the construct, or deleted entirely.</p>
-
 <p>This is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> <span class="s">&quot;something&quot;</span>
   <span class="n">:ok</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/LiteralInCondition:
   Enabled: true</code></pre>
         </div>
@@ -1059,7 +1059,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1083,13 +1083,13 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>check_node</strong>(source, node)
 
-        <a class="method-permalink" href="#check_node(source,node)-instance-method">#</a>
+        <a class="method-permalink" href="#check_node%28source%2Cnode%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L32" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L32" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1099,7 +1099,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1113,7 +1113,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1127,7 +1127,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1141,7 +1141,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1155,7 +1155,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1169,7 +1169,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1183,7 +1183,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1197,7 +1197,7 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1211,13 +1211,13 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>test</strong>(source, node : Crystal::If)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::If)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AIf%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1227,13 +1227,13 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>test</strong>(source, node : Crystal::Unless)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Unless)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AUnless%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L40" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L40" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1243,13 +1243,13 @@ replaced with either the body of the construct, or deleted entirely.</p>
         
         def <strong>test</strong>(source, node : Crystal::Case)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Case)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACase%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_condition.cr#L44" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_condition.cr#L44" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/LiteralInInterpolation.html b/Ameba/Rule/Lint/LiteralInInterpolation.html
index 6dfdc208..50122b4e 100644
--- a/Ameba/Rule/Lint/LiteralInInterpolation.html
+++ b/Ameba/Rule/Lint/LiteralInInterpolation.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,14 +646,10 @@
 
   <p>A rule that disallows useless string interpolations
 that contain a literal value instead of a variable or function.</p>
-
 <p>For example:</p>
-
 <pre><code class="language-crystal"><span class="s">&quot;Hello, </span><span class="i">#{</span><span class="n">:Ary</span><span class="i">}</span><span class="s">&quot;</span>
 <span class="s">&quot;There are </span><span class="i">#{</span><span class="n">4</span><span class="i">}</span><span class="s"> cats&quot;</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/LiteralInInterpolation
   Enabled: true</code></pre>
 
@@ -693,7 +694,7 @@ that contain a literal value instead of a variable or function.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_interpolation.cr#L18" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_interpolation.cr#L18" target="_blank">
         ameba/rule/lint/literal_in_interpolation.cr
       </a>
     
@@ -734,12 +735,12 @@ that contain a literal value instead of a variable or function.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows useless string interpolations that contain a literal value instead of a variable or function.</p></div>
         
@@ -762,47 +763,47 @@ that contain a literal value instead of a variable or function.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::StringInterpolation)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::StringInterpolation)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AStringInterpolation%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::StringInterpolation)</a>
         
       </li>
     
@@ -819,44 +820,49 @@ that contain a literal value instead of a variable or function.</p>
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -893,17 +899,17 @@ that contain a literal value instead of a variable or function.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -923,12 +929,12 @@ that contain a literal value instead of a variable or function.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -998,7 +1004,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1012,21 +1018,17 @@ that contain a literal value instead of a variable or function.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows useless string interpolations
 that contain a literal value instead of a variable or function.</p>
-
 <p>For example:</p>
-
 <pre><code class="language-crystal"><span class="s">&quot;Hello, </span><span class="i">#{</span><span class="n">:Ary</span><span class="i">}</span><span class="s">&quot;</span>
 <span class="s">&quot;There are </span><span class="i">#{</span><span class="n">4</span><span class="i">}</span><span class="s"> cats&quot;</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/LiteralInInterpolation
   Enabled: true</code></pre>
         </div>
@@ -1034,7 +1036,7 @@ that contain a literal value instead of a variable or function.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_interpolation.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_interpolation.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1058,7 +1060,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1072,7 +1074,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1086,7 +1088,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1100,7 +1102,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1114,7 +1116,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1128,7 +1130,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1142,7 +1144,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1156,7 +1158,7 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1170,13 +1172,13 @@ that contain a literal value instead of a variable or function.</p>
         
         def <strong>test</strong>(source, node : Crystal::StringInterpolation)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::StringInterpolation)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AStringInterpolation%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/literal_in_interpolation.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/literal_in_interpolation.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/PercentArrays.html b/Ameba/Rule/Lint/PercentArrays.html
index 1dc74fed..5a95f607 100644
--- a/Ameba/Rule/Lint/PercentArrays.html
+++ b/Ameba/Rule/Lint/PercentArrays.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,19 +645,13 @@
   </h2>
 
   <p>A rule that disallows some unwanted symbols in percent array literals.</p>
-
 <p>For example, this is usually written by mistake:</p>
-
 <pre><code class="language-crystal"><span class="s">%i(:one, :two)</span>
 <span class="s">%w(&quot;one&quot;, &quot;two&quot;)</span></code></pre>
-
 <p>And the expected example is:</p>
-
 <pre><code class="language-crystal"><span class="s">%i(one two)</span>
 <span class="s">%w(one two)</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/PercentArrays:
   Enabled: true
   StringArrayUnwantedSymbols: ',"'
@@ -697,7 +696,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/percent_array.cr#L26" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/percent_array.cr#L26" target="_blank">
         ameba/rule/lint/percent_array.cr
       </a>
     
@@ -738,12 +737,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows some unwanted symbols in percent array literals.</p></div>
         
@@ -766,67 +765,67 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#string_array_unwanted_symbols:String-instance-method" class="signature"><strong>#string_array_unwanted_symbols</strong> : String</a>
+        <a href="#string_array_unwanted_symbols%3AString-instance-method" class="signature"><strong>#string_array_unwanted_symbols</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#string_array_unwanted_symbols=(string_array_unwanted_symbols:String)-instance-method" class="signature"><strong>#string_array_unwanted_symbols=</strong>(string_array_unwanted_symbols : String)</a>
+        <a href="#string_array_unwanted_symbols%3D%28string_array_unwanted_symbols%3AString%29-instance-method" class="signature"><strong>#string_array_unwanted_symbols=</strong>(string_array_unwanted_symbols : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#symbol_array_unwanted_symbols:String-instance-method" class="signature"><strong>#symbol_array_unwanted_symbols</strong> : String</a>
+        <a href="#symbol_array_unwanted_symbols%3AString-instance-method" class="signature"><strong>#symbol_array_unwanted_symbols</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#symbol_array_unwanted_symbols=(symbol_array_unwanted_symbols:String)-instance-method" class="signature"><strong>#symbol_array_unwanted_symbols=</strong>(symbol_array_unwanted_symbols : String)</a>
+        <a href="#symbol_array_unwanted_symbols%3D%28symbol_array_unwanted_symbols%3AString%29-instance-method" class="signature"><strong>#symbol_array_unwanted_symbols=</strong>(symbol_array_unwanted_symbols : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -863,17 +862,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -893,12 +892,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -968,7 +967,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -982,25 +981,19 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows some unwanted symbols in percent array literals.</p>
-
 <p>For example, this is usually written by mistake:</p>
-
 <pre><code class="language-crystal"><span class="s">%i(:one, :two)</span>
 <span class="s">%w(&quot;one&quot;, &quot;two&quot;)</span></code></pre>
-
 <p>And the expected example is:</p>
-
 <pre><code class="language-crystal"><span class="s">%i(one two)</span>
 <span class="s">%w(one two)</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/PercentArrays:
   Enabled: true
   StringArrayUnwantedSymbols: ',"'
@@ -1010,7 +1003,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/percent_array.cr#L26" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/percent_array.cr#L26" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1034,7 +1027,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1048,7 +1041,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1062,7 +1055,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1076,7 +1069,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1090,7 +1083,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1104,7 +1097,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,7 +1111,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1132,7 +1125,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1146,7 +1139,7 @@
         
         def <strong>string_array_unwanted_symbols</strong> : String
 
-        <a class="method-permalink" href="#string_array_unwanted_symbols:String-instance-method">#</a>
+        <a class="method-permalink" href="#string_array_unwanted_symbols%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1160,7 +1153,7 @@
         
         def <strong>string_array_unwanted_symbols=</strong>(string_array_unwanted_symbols : String)
 
-        <a class="method-permalink" href="#string_array_unwanted_symbols=(string_array_unwanted_symbols:String)-instance-method">#</a>
+        <a class="method-permalink" href="#string_array_unwanted_symbols%3D%28string_array_unwanted_symbols%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1174,7 +1167,7 @@
         
         def <strong>symbol_array_unwanted_symbols</strong> : String
 
-        <a class="method-permalink" href="#symbol_array_unwanted_symbols:String-instance-method">#</a>
+        <a class="method-permalink" href="#symbol_array_unwanted_symbols%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1188,7 +1181,7 @@
         
         def <strong>symbol_array_unwanted_symbols=</strong>(symbol_array_unwanted_symbols : String)
 
-        <a class="method-permalink" href="#symbol_array_unwanted_symbols=(symbol_array_unwanted_symbols:String)-instance-method">#</a>
+        <a class="method-permalink" href="#symbol_array_unwanted_symbols%3D%28symbol_array_unwanted_symbols%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1202,13 +1195,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/percent_array.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/percent_array.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/RandZero.html b/Ameba/Rule/Lint/RandZero.html
index ad615c9f..ac979505 100644
--- a/Ameba/Rule/Lint/RandZero.html
+++ b/Ameba/Rule/Lint/RandZero.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,19 +646,13 @@
 
   <p>A rule that disallows <code>rand(0)</code> and <code>rand(1)</code> calls.
 Such calls always return <code>0</code>.</p>
-
 <p>For example:</p>
-
 <pre><code class="language-crystal">rand(<span class="n">1</span>)</code></pre>
-
 <p>Should be written as:</p>
-
 <pre><code class="language-crystal">rand
 <span class="c"># or</span>
 rand(<span class="n">2</span>)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RandZero:
   Enabled: true</code></pre>
 
@@ -696,7 +695,7 @@ rand(<span class="n">2</span>)</code></pre>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/rand_zero.cr#L25" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/rand_zero.cr#L25" target="_blank">
         ameba/rule/lint/rand_zero.cr
       </a>
     
@@ -737,12 +736,12 @@ rand(<span class="n">2</span>)</code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows <code>rand(0)</code> and <code>rand(1)</code> calls.</p></div>
         
@@ -765,47 +764,47 @@ rand(<span class="n">2</span>)</code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -842,17 +841,17 @@ rand(<span class="n">2</span>)</code></pre>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -872,12 +871,12 @@ rand(<span class="n">2</span>)</code></pre>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -947,7 +946,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -961,26 +960,20 @@ rand(<span class="n">2</span>)</code></pre>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows <code>rand(0)</code> and <code>rand(1)</code> calls.
 Such calls always return <code>0</code>.</p>
-
 <p>For example:</p>
-
 <pre><code class="language-crystal">rand(<span class="n">1</span>)</code></pre>
-
 <p>Should be written as:</p>
-
 <pre><code class="language-crystal">rand
 <span class="c"># or</span>
 rand(<span class="n">2</span>)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RandZero:
   Enabled: true</code></pre>
         </div>
@@ -988,7 +981,7 @@ rand(<span class="n">2</span>)</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/rand_zero.cr#L25" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/rand_zero.cr#L25" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1012,7 +1005,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1026,7 +1019,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1040,7 +1033,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1054,7 +1047,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1068,7 +1061,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1082,7 +1075,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1096,7 +1089,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1110,7 +1103,7 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1124,13 +1117,13 @@ rand(<span class="n">2</span>)</code></pre>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/rand_zero.cr#L32" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/rand_zero.cr#L32" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/RedundantStringCoercion.html b/Ameba/Rule/Lint/RedundantStringCoercion.html
index d968fd5b..62ac4381 100644
--- a/Ameba/Rule/Lint/RedundantStringCoercion.html
+++ b/Ameba/Rule/Lint/RedundantStringCoercion.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,17 +646,11 @@
 
   <p>A rule that disallows string conversion in string interpolation,
 which is redundant.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="s">&quot;Hello, </span><span class="i">#{</span>name.to_s<span class="i">}</span><span class="s">&quot;</span></code></pre>
-
 <p>And this is valid:</p>
-
 <pre><code class="language-crystal"><span class="s">&quot;Hello, </span><span class="i">#{</span>name<span class="i">}</span><span class="s">&quot;</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RedundantStringCoersion
   Enabled: true</code></pre>
 
@@ -696,7 +695,7 @@ which is redundant.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_string_coercion.cr#L23" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_string_coercion.cr#L23" target="_blank">
         ameba/rule/lint/redundant_string_coercion.cr
       </a>
     
@@ -737,12 +736,12 @@ which is redundant.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows string conversion in string interpolation, which is redundant.</p></div>
         
@@ -765,47 +764,47 @@ which is redundant.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::StringInterpolation)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::StringInterpolation)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AStringInterpolation%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::StringInterpolation)</a>
         
       </li>
     
@@ -822,44 +821,49 @@ which is redundant.</p>
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -896,17 +900,17 @@ which is redundant.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -926,12 +930,12 @@ which is redundant.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1001,7 +1005,7 @@ which is redundant.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1015,24 +1019,18 @@ which is redundant.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows string conversion in string interpolation,
 which is redundant.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="s">&quot;Hello, </span><span class="i">#{</span>name.to_s<span class="i">}</span><span class="s">&quot;</span></code></pre>
-
 <p>And this is valid:</p>
-
 <pre><code class="language-crystal"><span class="s">&quot;Hello, </span><span class="i">#{</span>name<span class="i">}</span><span class="s">&quot;</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RedundantStringCoersion
   Enabled: true</code></pre>
         </div>
@@ -1040,7 +1038,7 @@ which is redundant.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_string_coercion.cr#L23" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_string_coercion.cr#L23" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1064,7 +1062,7 @@ which is redundant.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1078,7 +1076,7 @@ which is redundant.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1092,7 +1090,7 @@ which is redundant.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1106,7 +1104,7 @@ which is redundant.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1120,7 +1118,7 @@ which is redundant.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1134,7 +1132,7 @@ which is redundant.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1148,7 +1146,7 @@ which is redundant.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1162,7 +1160,7 @@ which is redundant.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1176,13 +1174,13 @@ which is redundant.</p>
         
         def <strong>test</strong>(source, node : Crystal::StringInterpolation)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::StringInterpolation)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AStringInterpolation%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_string_coercion.cr#L32" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_string_coercion.cr#L32" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/RedundantWithIndex.html b/Ameba/Rule/Lint/RedundantWithIndex.html
index 05a4eda5..b37b673e 100644
--- a/Ameba/Rule/Lint/RedundantWithIndex.html
+++ b/Ameba/Rule/Lint/RedundantWithIndex.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows redundant <code>with_index</code> calls.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">collection.each.with_index <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span>
@@ -650,15 +653,11 @@
 collection.each_with_index <span class="k">do</span> <span class="o">|</span>e, _<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>and it should be written as follows:</p>
-
 <pre><code class="language-crystal">collection.each <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RedundantWithIndex:
   Enabled: true</code></pre>
 
@@ -701,7 +700,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_index.cr#L29" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_index.cr#L29" target="_blank">
         ameba/rule/lint/redundant_with_index.cr
       </a>
     
@@ -723,12 +722,12 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows redundant <code>with_index</code> calls.</p></div>
         
@@ -751,47 +750,47 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -828,17 +827,17 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -858,12 +857,12 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -933,7 +932,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -947,15 +946,13 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows redundant <code>with_index</code> calls.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">collection.each.with_index <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span>
@@ -963,15 +960,11 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
 collection.each_with_index <span class="k">do</span> <span class="o">|</span>e, _<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>and it should be written as follows:</p>
-
 <pre><code class="language-crystal">collection.each <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RedundantWithIndex:
   Enabled: true</code></pre>
         </div>
@@ -979,7 +972,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_index.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_index.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1003,7 +996,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1017,7 +1010,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1031,7 +1024,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1045,7 +1038,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1059,7 +1052,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1073,7 +1066,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1087,7 +1080,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1101,7 +1094,7 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1115,13 +1108,13 @@ collection.each_with_index <span class="k">do</span> <span class="o">|</span>e,
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_index.cr#L34" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_index.cr#L34" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/RedundantWithObject.html b/Ameba/Rule/Lint/RedundantWithObject.html
index 72e86be5..e36da859 100644
--- a/Ameba/Rule/Lint/RedundantWithObject.html
+++ b/Ameba/Rule/Lint/RedundantWithObject.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows redundant <code>each_with_object</code> calls.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">collection.each_with_object(<span class="n">0</span>) <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span>
@@ -650,15 +653,11 @@
 collection.each_with_object(<span class="n">0</span>) <span class="k">do</span> <span class="o">|</span>e, _<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>and it should be written as follows:</p>
-
 <pre><code class="language-crystal">collection.each <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RedundantWithObject:
   Enabled: true</code></pre>
 
@@ -701,7 +700,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_object.cr#L30" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_object.cr#L30" target="_blank">
         ameba/rule/lint/redundant_with_object.cr
       </a>
     
@@ -742,12 +741,12 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows redundant <code>each_with_object</code> calls.</p></div>
         
@@ -770,47 +769,47 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -847,17 +846,17 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -877,12 +876,12 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -952,7 +951,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -966,15 +965,13 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows redundant <code>each_with_object</code> calls.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">collection.each_with_object(<span class="n">0</span>) <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span>
@@ -982,15 +979,11 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
 collection.each_with_object(<span class="n">0</span>) <span class="k">do</span> <span class="o">|</span>e, _<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>and it should be written as follows:</p>
-
 <pre><code class="language-crystal">collection.each <span class="k">do</span> <span class="o">|</span>e<span class="o">|</span>
   <span class="c"># ...</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/RedundantWithObject:
   Enabled: true</code></pre>
         </div>
@@ -998,7 +991,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_object.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_object.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1022,7 +1015,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1036,7 +1029,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1050,7 +1043,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1064,7 +1057,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1078,7 +1071,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1092,7 +1085,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1106,7 +1099,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1120,7 +1113,7 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1134,13 +1127,13 @@ collection.each_with_object(<span class="n">0</span>) <span class="k">do</span>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/redundant_with_object.cr#L37" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/redundant_with_object.cr#L37" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/ShadowedArgument.html b/Ameba/Rule/Lint/ShadowedArgument.html
index 895bbb8e..9f345f92 100644
--- a/Ameba/Rule/Lint/ShadowedArgument.html
+++ b/Ameba/Rule/Lint/ShadowedArgument.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows shadowed arguments.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">do_something <span class="k">do</span> <span class="o">|</span>foo<span class="o">|</span>
   foo <span class="o">=</span> <span class="n">1</span> <span class="c"># shadows block argument</span>
   foo
@@ -652,9 +655,7 @@
   foo <span class="o">=</span> <span class="n">1</span> <span class="c"># shadows method argument</span>
   foo
 <span class="k">end</span></code></pre>
-
 <p>and it should be written as follows:</p>
-
 <pre><code class="language-crystal">do_something <span class="k">do</span> <span class="o">|</span>foo<span class="o">|</span>
   foo <span class="o">=</span> foo <span class="o">+</span> <span class="n">42</span>
   foo
@@ -664,9 +665,7 @@
   foo <span class="o">=</span> foo <span class="o">+</span> <span class="n">42</span>
   foo
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ShadowedArgument:
   Enabled: true</code></pre>
 
@@ -709,7 +708,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_argument.cr#L38" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_argument.cr#L38" target="_blank">
         ameba/rule/lint/shadowed_argument.cr
       </a>
     
@@ -750,12 +749,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows shadowed arguments.</p></div>
         
@@ -778,52 +777,52 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -860,17 +859,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -890,12 +889,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -965,7 +964,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -979,15 +978,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows shadowed arguments.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">do_something <span class="k">do</span> <span class="o">|</span>foo<span class="o">|</span>
   foo <span class="o">=</span> <span class="n">1</span> <span class="c"># shadows block argument</span>
   foo
@@ -997,9 +994,7 @@
   foo <span class="o">=</span> <span class="n">1</span> <span class="c"># shadows method argument</span>
   foo
 <span class="k">end</span></code></pre>
-
 <p>and it should be written as follows:</p>
-
 <pre><code class="language-crystal">do_something <span class="k">do</span> <span class="o">|</span>foo<span class="o">|</span>
   foo <span class="o">=</span> foo <span class="o">+</span> <span class="n">42</span>
   foo
@@ -1009,9 +1004,7 @@
   foo <span class="o">=</span> foo <span class="o">+</span> <span class="n">42</span>
   foo
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ShadowedArgument:
   Enabled: true</code></pre>
         </div>
@@ -1019,7 +1012,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_argument.cr#L38" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_argument.cr#L38" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1043,7 +1036,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1057,7 +1050,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1071,7 +1064,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1085,7 +1078,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1099,7 +1092,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1113,7 +1106,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1127,7 +1120,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1141,7 +1134,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1155,13 +1148,13 @@
         
         def <strong>test</strong>(source, node, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_argument.cr#L49" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_argument.cr#L49" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1171,13 +1164,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_argument.cr#L45" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_argument.cr#L45" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/ShadowedException.html b/Ameba/Rule/Lint/ShadowedException.html
index 40252e44..279f37fc 100644
--- a/Ameba/Rule/Lint/ShadowedException.html
+++ b/Ameba/Rule/Lint/ShadowedException.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -642,9 +647,7 @@
   <p>A rule that disallows a rescued exception that get shadowed by a
 less specific exception being rescued before a more specific
 exception is rescued.</p>
-
 <p>For example, this is invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">begin</span>
   do_something
 <span class="k">rescue</span> <span class="t">Exception</span>
@@ -652,9 +655,7 @@ exception is rescued.</p>
 <span class="k">rescue</span> <span class="t">ArgumentError</span>
   handle_argument_error_exception
 <span class="k">end</span></code></pre>
-
 <p>And it has to be written as follows:</p>
-
 <pre><code class="language-crystal"><span class="k">begin</span>
   do_something
 <span class="k">rescue</span> <span class="t">ArgumentError</span>
@@ -662,9 +663,7 @@ exception is rescued.</p>
 <span class="k">rescue</span> <span class="t">Exception</span>
   handle_exception
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ShadowedException:
   Enabled: true</code></pre>
 
@@ -707,7 +706,7 @@ exception is rescued.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_exception.cr#L36" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_exception.cr#L36" target="_blank">
         ameba/rule/lint/shadowed_exception.cr
       </a>
     
@@ -748,12 +747,12 @@ exception is rescued.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows a rescued exception that get shadowed by a less specific exception being rescued before a more specific exception is rescued.</p></div>
         
@@ -776,47 +775,47 @@ exception is rescued.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ExceptionHandler)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ExceptionHandler)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AExceptionHandler%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ExceptionHandler)</a>
         
       </li>
     
@@ -853,17 +852,17 @@ exception is rescued.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -883,12 +882,12 @@ exception is rescued.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -958,7 +957,7 @@ exception is rescued.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -972,7 +971,7 @@ exception is rescued.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -980,9 +979,7 @@ exception is rescued.</p>
           <p>A rule that disallows a rescued exception that get shadowed by a
 less specific exception being rescued before a more specific
 exception is rescued.</p>
-
 <p>For example, this is invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">begin</span>
   do_something
 <span class="k">rescue</span> <span class="t">Exception</span>
@@ -990,9 +987,7 @@ exception is rescued.</p>
 <span class="k">rescue</span> <span class="t">ArgumentError</span>
   handle_argument_error_exception
 <span class="k">end</span></code></pre>
-
 <p>And it has to be written as follows:</p>
-
 <pre><code class="language-crystal"><span class="k">begin</span>
   do_something
 <span class="k">rescue</span> <span class="t">ArgumentError</span>
@@ -1000,9 +995,7 @@ exception is rescued.</p>
 <span class="k">rescue</span> <span class="t">Exception</span>
   handle_exception
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ShadowedException:
   Enabled: true</code></pre>
         </div>
@@ -1010,7 +1003,7 @@ exception is rescued.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_exception.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_exception.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1034,7 +1027,7 @@ exception is rescued.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1048,7 +1041,7 @@ exception is rescued.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1062,7 +1055,7 @@ exception is rescued.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1076,7 +1069,7 @@ exception is rescued.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1090,7 +1083,7 @@ exception is rescued.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1104,7 +1097,7 @@ exception is rescued.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,7 +1111,7 @@ exception is rescued.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1132,7 +1125,7 @@ exception is rescued.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1146,13 +1139,13 @@ exception is rescued.</p>
         
         def <strong>test</strong>(source, node : Crystal::ExceptionHandler)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ExceptionHandler)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AExceptionHandler%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowed_exception.cr#L43" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowed_exception.cr#L43" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/ShadowingOuterLocalVar.html b/Ameba/Rule/Lint/ShadowingOuterLocalVar.html
index 8e5ba923..5baef1df 100644
--- a/Ameba/Rule/Lint/ShadowingOuterLocalVar.html
+++ b/Ameba/Rule/Lint/ShadowingOuterLocalVar.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,27 +646,21 @@
 
   <p>A rule that disallows the usage of the same name as outer local variables
 for block or proc arguments.</p>
-
 <p>For example, this is considered incorrect:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   foo <span class="o">=</span> <span class="n">1</span>
 
   <span class="n">3</span>.times <span class="k">do</span> <span class="o">|</span>foo<span class="o">|</span> <span class="c"># shadowing outer `foo`</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>and should be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   foo <span class="o">=</span> <span class="n">1</span>
 
   <span class="n">3</span>.times <span class="k">do</span> <span class="o">|</span>bar<span class="o">|</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ShadowingOuterLocalVar:
   Enabled: true</code></pre>
 
@@ -704,7 +703,7 @@ for block or proc arguments.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L33" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L33" target="_blank">
         ameba/rule/lint/shadowing_local_outer_var.cr
       </a>
     
@@ -745,12 +744,12 @@ for block or proc arguments.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows the usage of the same name as outer local variables for block or proc arguments.</p></div>
         
@@ -773,57 +772,57 @@ for block or proc arguments.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ProcLiteral,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ProcLiteral, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AProcLiteral%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ProcLiteral, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Block,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Block, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ABlock%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Block, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -860,17 +859,17 @@ for block or proc arguments.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -890,12 +889,12 @@ for block or proc arguments.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -965,7 +964,7 @@ for block or proc arguments.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -979,34 +978,28 @@ for block or proc arguments.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows the usage of the same name as outer local variables
 for block or proc arguments.</p>
-
 <p>For example, this is considered incorrect:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   foo <span class="o">=</span> <span class="n">1</span>
 
   <span class="n">3</span>.times <span class="k">do</span> <span class="o">|</span>foo<span class="o">|</span> <span class="c"># shadowing outer `foo`</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>and should be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">some_method</span>
   foo <span class="o">=</span> <span class="n">1</span>
 
   <span class="n">3</span>.times <span class="k">do</span> <span class="o">|</span>bar<span class="o">|</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/ShadowingOuterLocalVar:
   Enabled: true</code></pre>
         </div>
@@ -1014,7 +1007,7 @@ for block or proc arguments.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L33" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L33" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1038,7 +1031,7 @@ for block or proc arguments.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1052,7 +1045,7 @@ for block or proc arguments.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1066,7 +1059,7 @@ for block or proc arguments.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1080,7 +1073,7 @@ for block or proc arguments.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1094,7 +1087,7 @@ for block or proc arguments.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1108,7 +1101,7 @@ for block or proc arguments.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1122,7 +1115,7 @@ for block or proc arguments.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1136,7 +1129,7 @@ for block or proc arguments.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1150,13 +1143,13 @@ for block or proc arguments.</p>
         
         def <strong>test</strong>(source, node : Crystal::ProcLiteral, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ProcLiteral,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AProcLiteral%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L45" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L45" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1166,13 +1159,13 @@ for block or proc arguments.</p>
         
         def <strong>test</strong>(source, node : Crystal::Block, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Block,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ABlock%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L49" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L49" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1182,13 +1175,13 @@ for block or proc arguments.</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L41" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shadowing_local_outer_var.cr#L41" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/SharedVarInFiber.html b/Ameba/Rule/Lint/SharedVarInFiber.html
index c77b0afd..c1f2a098 100644
--- a/Ameba/Rule/Lint/SharedVarInFiber.html
+++ b/Ameba/Rule/Lint/SharedVarInFiber.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,11 +646,8 @@
 
   <p>A rule that disallows using shared variables in fibers,
 which are mutated during iterations.</p>
-
 <p>In most cases it leads to unexpected behaviour and is undesired.</p>
-
 <p>For example, having this example:</p>
-
 <pre><code class="language-crystal">n <span class="o">=</span> <span class="n">0</span>
 channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">Int32</span>).<span class="k">new</span>
 
@@ -655,12 +657,9 @@ channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">
 <span class="k">end</span>
 
 <span class="n">3</span>.times { puts channel.receive } <span class="c"># =&gt; # 3, 3, 3</span></code></pre>
-
 <p>The problem is there is only one shared between fibers variable <code>n</code>
 and when <code>channel.receive</code> is executed its value is <code>3</code>.</p>
-
 <p>To solve this, the code above needs to be rewritten to the following:</p>
-
 <pre><code class="language-crystal">n <span class="o">=</span> <span class="n">0</span>
 channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">Int32</span>).<span class="k">new</span>
 
@@ -671,16 +670,12 @@ channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">
 <span class="k">end</span>
 
 <span class="n">3</span>.times { puts channel.receive } <span class="c"># =&gt; # 1, 2, 3</span></code></pre>
-
 <p>This rule is able to find the shared variables between fibers, which are mutated
 during iterations. So it reports the issue on the first sample and passes on
 the second one.</p>
-
 <p>There are also other technics to solve the problem above which are
 <a href="https://crystal-lang.org/reference/guides/concurrency.html">officially documented</a></p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/SharedVarInFiber:
   Enabled: true</code></pre>
 
@@ -723,7 +718,7 @@ the second one.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shared_var_in_fiber.cr#L52" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shared_var_in_fiber.cr#L52" target="_blank">
         ameba/rule/lint/shared_var_in_fiber.cr
       </a>
     
@@ -764,12 +759,12 @@ the second one.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows using shared variables in fibers, which are mutated during iterations.</p></div>
         
@@ -792,52 +787,52 @@ the second one.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -874,17 +869,17 @@ the second one.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -904,12 +899,12 @@ the second one.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -979,7 +974,7 @@ the second one.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -993,18 +988,15 @@ the second one.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows using shared variables in fibers,
 which are mutated during iterations.</p>
-
 <p>In most cases it leads to unexpected behaviour and is undesired.</p>
-
 <p>For example, having this example:</p>
-
 <pre><code class="language-crystal">n <span class="o">=</span> <span class="n">0</span>
 channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">Int32</span>).<span class="k">new</span>
 
@@ -1014,12 +1006,9 @@ channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">
 <span class="k">end</span>
 
 <span class="n">3</span>.times { puts channel.receive } <span class="c"># =&gt; # 3, 3, 3</span></code></pre>
-
 <p>The problem is there is only one shared between fibers variable <code>n</code>
 and when <code>channel.receive</code> is executed its value is <code>3</code>.</p>
-
 <p>To solve this, the code above needs to be rewritten to the following:</p>
-
 <pre><code class="language-crystal">n <span class="o">=</span> <span class="n">0</span>
 channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">Int32</span>).<span class="k">new</span>
 
@@ -1030,16 +1019,12 @@ channel <span class="o">=</span> <span class="t">Channel</span>(<span class="t">
 <span class="k">end</span>
 
 <span class="n">3</span>.times { puts channel.receive } <span class="c"># =&gt; # 1, 2, 3</span></code></pre>
-
 <p>This rule is able to find the shared variables between fibers, which are mutated
 during iterations. So it reports the issue on the first sample and passes on
 the second one.</p>
-
 <p>There are also other technics to solve the problem above which are
 <a href="https://crystal-lang.org/reference/guides/concurrency.html">officially documented</a></p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/SharedVarInFiber:
   Enabled: true</code></pre>
         </div>
@@ -1047,7 +1032,7 @@ the second one.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shared_var_in_fiber.cr#L52" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shared_var_in_fiber.cr#L52" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1071,7 +1056,7 @@ the second one.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1085,7 +1070,7 @@ the second one.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1099,7 +1084,7 @@ the second one.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1113,7 +1098,7 @@ the second one.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1127,7 +1112,7 @@ the second one.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1141,7 +1126,7 @@ the second one.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1155,7 +1140,7 @@ the second one.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1169,7 +1154,7 @@ the second one.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1183,13 +1168,13 @@ the second one.</p>
         
         def <strong>test</strong>(source, node, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shared_var_in_fiber.cr#L63" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shared_var_in_fiber.cr#L63" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1199,13 +1184,13 @@ the second one.</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/shared_var_in_fiber.cr#L59" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/shared_var_in_fiber.cr#L59" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/SpecFocus.html b/Ameba/Rule/Lint/SpecFocus.html
index a3d1f087..18ee116c 100644
--- a/Ameba/Rule/Lint/SpecFocus.html
+++ b/Ameba/Rule/Lint/SpecFocus.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,14 +645,11 @@
   </h2>
 
   <p>Checks if specs are focused.</p>
-
 <p>In specs <code>focus: true</code> is mainly used to focus on a spec
 item locally during development. However, if such change
 is committed, it silently runs only focused spec on all
 other environment, which is undesired.</p>
-
 <p>This is considered bad:</p>
-
 <pre><code class="language-crystal">describe <span class="t">MyClass</span>, focus: <span class="n">true</span> <span class="k">do</span>
 <span class="k">end</span>
 
@@ -659,9 +661,7 @@ context <span class="s">&quot;my context&quot;</span>, focus: <span class="n">tr
 
 it <span class="s">&quot;works&quot;</span>, focus: <span class="n">true</span> <span class="k">do</span>
 <span class="k">end</span></code></pre>
-
 <p>And it should be written as the following:</p>
-
 <pre><code class="language-crystal">describe <span class="t">MyClass</span> <span class="k">do</span>
 <span class="k">end</span>
 
@@ -673,9 +673,7 @@ context <span class="s">&quot;my context&quot;</span> <span class="k">do</span>
 
 it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/SpecFocus:
   Enabled: true</code></pre>
 
@@ -718,7 +716,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/spec_focus.cr#L47" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/spec_focus.cr#L47" target="_blank">
         ameba/rule/lint/spec_focus.cr
       </a>
     
@@ -764,12 +762,12 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>Checks if specs are focused.</p></div>
         
@@ -792,52 +790,52 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -874,17 +872,17 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -904,12 +902,12 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -979,7 +977,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -993,20 +991,17 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Checks if specs are focused.</p>
-
 <p>In specs <code>focus: true</code> is mainly used to focus on a spec
 item locally during development. However, if such change
 is committed, it silently runs only focused spec on all
 other environment, which is undesired.</p>
-
 <p>This is considered bad:</p>
-
 <pre><code class="language-crystal">describe <span class="t">MyClass</span>, focus: <span class="n">true</span> <span class="k">do</span>
 <span class="k">end</span>
 
@@ -1018,9 +1013,7 @@ context <span class="s">&quot;my context&quot;</span>, focus: <span class="n">tr
 
 it <span class="s">&quot;works&quot;</span>, focus: <span class="n">true</span> <span class="k">do</span>
 <span class="k">end</span></code></pre>
-
 <p>And it should be written as the following:</p>
-
 <pre><code class="language-crystal">describe <span class="t">MyClass</span> <span class="k">do</span>
 <span class="k">end</span>
 
@@ -1032,9 +1025,7 @@ context <span class="s">&quot;my context&quot;</span> <span class="k">do</span>
 
 it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/SpecFocus:
   Enabled: true</code></pre>
         </div>
@@ -1042,7 +1033,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/spec_focus.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/spec_focus.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1066,7 +1057,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1080,7 +1071,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1094,7 +1085,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1108,7 +1099,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1122,7 +1113,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1136,7 +1127,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1150,7 +1141,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1164,7 +1155,7 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1178,13 +1169,13 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/spec_focus.cr#L61" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/spec_focus.cr#L61" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1194,13 +1185,13 @@ it <span class="s">&quot;works&quot;</span> <span class="k">do</span>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/spec_focus.cr#L55" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/spec_focus.cr#L55" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/Syntax.html b/Ameba/Rule/Lint/Syntax.html
index 6a2d3735..ec961371 100644
--- a/Ameba/Rule/Lint/Syntax.html
+++ b/Ameba/Rule/Lint/Syntax.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,16 +645,12 @@
   </h2>
 
   <p>A rule that reports invalid Crystal syntax.</p>
-
 <p>For example, this syntax is invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">hello</span>
   do_something
 <span class="k">rescue</span> <span class="t">Exception</span> => e
 <span class="k">end</span></code></pre>
-
 <p>And should be properly written:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">hello</span>
   do_something
 <span class="k">rescue</span> e : <span class="t">Exception</span>
@@ -694,7 +695,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/syntax.cr#L21" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/syntax.cr#L21" target="_blank">
         ameba/rule/lint/syntax.cr
       </a>
     
@@ -716,12 +717,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that reports invalid Crystal syntax.</p></div>
         
@@ -744,47 +745,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity:Ameba::Severity)-instance-method" class="signature"><strong>#severity=</strong>(severity : Ameba::Severity)</a>
+        <a href="#severity%3D%28severity%3AAmeba%3A%3ASeverity%29-instance-method" class="signature"><strong>#severity=</strong>(severity : Ameba::Severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -821,17 +822,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -851,12 +852,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -926,7 +927,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -940,22 +941,18 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that reports invalid Crystal syntax.</p>
-
 <p>For example, this syntax is invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">hello</span>
   do_something
 <span class="k">rescue</span> <span class="t">Exception</span> => e
 <span class="k">end</span></code></pre>
-
 <p>And should be properly written:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">hello</span>
   do_something
 <span class="k">rescue</span> e : <span class="t">Exception</span>
@@ -965,7 +962,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/syntax.cr#L21" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/syntax.cr#L21" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -989,7 +986,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1003,7 +1000,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1017,7 +1014,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1031,7 +1028,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1045,7 +1042,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1059,7 +1056,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1073,7 +1070,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1087,7 +1084,7 @@
         
         def <strong>severity=</strong>(severity : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>)
 
-        <a class="method-permalink" href="#severity=(severity:Ameba::Severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%3AAmeba%3A%3ASeverity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1101,13 +1098,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/syntax.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/syntax.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/UnneededDisableDirective.html b/Ameba/Rule/Lint/UnneededDisableDirective.html
index 9bab5307..bf2fd3db 100644
--- a/Ameba/Rule/Lint/UnneededDisableDirective.html
+++ b/Ameba/Rule/Lint/UnneededDisableDirective.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,21 +646,16 @@
 
   <p>A rule that reports unneeded disable directives.
 For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable Style/PredicateName</span>
 <span class="k">def</span> <span class="m">comment?</span>
   do_something
 <span class="k">end</span></code></pre>
-
 <p>as the predicate name is correct and the comment directive does not
 have any effect, the snippet should be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">comment?</span>
   do_something
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UnneededDisableDirective
   Enabled: true</code></pre>
 
@@ -698,7 +698,7 @@ have any effect, the snippet should be written as the following:</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unneeded_disable_directive.cr#L27" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unneeded_disable_directive.cr#L27" target="_blank">
         ameba/rule/lint/unneeded_disable_directive.cr
       </a>
     
@@ -739,12 +739,12 @@ have any effect, the snippet should be written as the following:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that reports unneeded disable directives.</p></div>
         
@@ -767,47 +767,47 @@ have any effect, the snippet should be written as the following:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -844,17 +844,17 @@ have any effect, the snippet should be written as the following:</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -874,12 +874,12 @@ have any effect, the snippet should be written as the following:</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -949,7 +949,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -963,28 +963,23 @@ have any effect, the snippet should be written as the following:</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that reports unneeded disable directives.
 For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable Style/PredicateName</span>
 <span class="k">def</span> <span class="m">comment?</span>
   do_something
 <span class="k">end</span></code></pre>
-
 <p>as the predicate name is correct and the comment directive does not
 have any effect, the snippet should be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">comment?</span>
   do_something
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UnneededDisableDirective
   Enabled: true</code></pre>
         </div>
@@ -992,7 +987,7 @@ have any effect, the snippet should be written as the following:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unneeded_disable_directive.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unneeded_disable_directive.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1016,7 +1011,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1030,7 +1025,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1044,7 +1039,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1058,7 +1053,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1072,7 +1067,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1086,7 +1081,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1100,7 +1095,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1114,7 +1109,7 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1128,13 +1123,13 @@ have any effect, the snippet should be written as the following:</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unneeded_disable_directive.cr#L34" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unneeded_disable_directive.cr#L34" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/UnreachableCode.html b/Ameba/Rule/Lint/UnreachableCode.html
index d37246a4..b665e3c2 100644
--- a/Ameba/Rule/Lint/UnreachableCode.html
+++ b/Ameba/Rule/Lint/UnreachableCode.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,35 +645,27 @@
   </h2>
 
   <p>A rule that reports unreachable code.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a)
   <span class="k">return</span> <span class="n">42</span>
   a <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 loop <span class="k">do</span>
   <span class="k">break</span>
   a += <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a)
   <span class="k">return</span> <span class="n">42</span> <span class="k">if</span> a <span class="o">==</span> <span class="n">0</span>
   a <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 loop <span class="k">do</span>
   <span class="k">break</span> a <span class="o">&gt;</span> <span class="n">3</span>
   a += <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UnreachableCode:
   Enabled: true</code></pre>
 
@@ -713,7 +710,7 @@ loop <span class="k">do</span>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unreachable_code.cr#L44" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unreachable_code.cr#L44" target="_blank">
         ameba/rule/lint/unreachable_code.cr
       </a>
     
@@ -754,12 +751,12 @@ loop <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that reports unreachable code.</p></div>
         
@@ -782,52 +779,52 @@ loop <span class="k">do</span>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node,flow_expression:AST::FlowExpression)-instance-method" class="signature"><strong>#test</strong>(source, node, flow_expression : AST::FlowExpression)</a>
+        <a href="#test%28source%2Cnode%2Cflow_expression%3AAST%3A%3AFlowExpression%29-instance-method" class="signature"><strong>#test</strong>(source, node, flow_expression : AST::FlowExpression)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -844,44 +841,49 @@ loop <span class="k">do</span>
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -918,17 +920,17 @@ loop <span class="k">do</span>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -948,12 +950,12 @@ loop <span class="k">do</span>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1023,7 +1025,7 @@ loop <span class="k">do</span>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1037,41 +1039,33 @@ loop <span class="k">do</span>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that reports unreachable code.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a)
   <span class="k">return</span> <span class="n">42</span>
   a <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 loop <span class="k">do</span>
   <span class="k">break</span>
   a += <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a)
   <span class="k">return</span> <span class="n">42</span> <span class="k">if</span> a <span class="o">==</span> <span class="n">0</span>
   a <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">a <span class="o">=</span> <span class="n">1</span>
 loop <span class="k">do</span>
   <span class="k">break</span> a <span class="o">&gt;</span> <span class="n">3</span>
   a += <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UnreachableCode:
   Enabled: true</code></pre>
         </div>
@@ -1079,7 +1073,7 @@ loop <span class="k">do</span>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unreachable_code.cr#L44" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unreachable_code.cr#L44" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1103,7 +1097,7 @@ loop <span class="k">do</span>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1117,7 +1111,7 @@ loop <span class="k">do</span>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1131,7 +1125,7 @@ loop <span class="k">do</span>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1145,7 +1139,7 @@ loop <span class="k">do</span>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1159,7 +1153,7 @@ loop <span class="k">do</span>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1173,7 +1167,7 @@ loop <span class="k">do</span>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1187,7 +1181,7 @@ loop <span class="k">do</span>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1201,7 +1195,7 @@ loop <span class="k">do</span>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1215,13 +1209,13 @@ loop <span class="k">do</span>
         
         def <strong>test</strong>(source, node, flow_expression : <a href="../../../Ameba/AST/FlowExpression.html">AST::FlowExpression</a>)
 
-        <a class="method-permalink" href="#test(source,node,flow_expression:AST::FlowExpression)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%2Cflow_expression%3AAST%3A%3AFlowExpression%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unreachable_code.cr#L57" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unreachable_code.cr#L57" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1231,13 +1225,13 @@ loop <span class="k">do</span>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unreachable_code.cr#L53" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unreachable_code.cr#L53" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/UnusedArgument.html b/Ameba/Rule/Lint/UnusedArgument.html
index 592935de..89936c68 100644
--- a/Ameba/Rule/Lint/UnusedArgument.html
+++ b/Ameba/Rule/Lint/UnusedArgument.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,19 +646,14 @@
 
   <p>A rule that reports unused arguments.
 For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b, c)
   a <span class="o">+</span> b
 <span class="k">end</span></code></pre>
-
 <p>and should be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b)
   a <span class="o">+</span> b
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UnusedArgument:
   Enabled: true
   IgnoreDefs: true
@@ -699,7 +699,7 @@ For example, this is considered invalid:</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unused_argument.cr#L27" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unused_argument.cr#L27" target="_blank">
         ameba/rule/lint/unused_argument.cr
       </a>
     
@@ -740,12 +740,12 @@ For example, this is considered invalid:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that reports unused arguments.</p></div>
         
@@ -768,92 +768,92 @@ For example, this is considered invalid:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignore_blocks:Bool-instance-method" class="signature"><strong>#ignore_blocks</strong> : Bool</a>
+        <a href="#ignore_blocks%3ABool-instance-method" class="signature"><strong>#ignore_blocks</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignore_blocks=(ignore_blocks:Bool)-instance-method" class="signature"><strong>#ignore_blocks=</strong>(ignore_blocks : Bool)</a>
+        <a href="#ignore_blocks%3D%28ignore_blocks%3ABool%29-instance-method" class="signature"><strong>#ignore_blocks=</strong>(ignore_blocks : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignore_defs:Bool-instance-method" class="signature"><strong>#ignore_defs</strong> : Bool</a>
+        <a href="#ignore_defs%3ABool-instance-method" class="signature"><strong>#ignore_defs</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignore_defs=(ignore_defs:Bool)-instance-method" class="signature"><strong>#ignore_defs=</strong>(ignore_defs : Bool)</a>
+        <a href="#ignore_defs%3D%28ignore_defs%3ABool%29-instance-method" class="signature"><strong>#ignore_defs=</strong>(ignore_defs : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignore_procs:Bool-instance-method" class="signature"><strong>#ignore_procs</strong> : Bool</a>
+        <a href="#ignore_procs%3ABool-instance-method" class="signature"><strong>#ignore_procs</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#ignore_procs=(ignore_procs:Bool)-instance-method" class="signature"><strong>#ignore_procs=</strong>(ignore_procs : Bool)</a>
+        <a href="#ignore_procs%3D%28ignore_procs%3ABool%29-instance-method" class="signature"><strong>#ignore_procs=</strong>(ignore_procs : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ProcLiteral,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ProcLiteral, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AProcLiteral%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ProcLiteral, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Block,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Block, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ABlock%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Block, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Def,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ADef%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -890,17 +890,17 @@ For example, this is considered invalid:</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -920,12 +920,12 @@ For example, this is considered invalid:</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -995,7 +995,7 @@ For example, this is considered invalid:</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1009,26 +1009,21 @@ For example, this is considered invalid:</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that reports unused arguments.
 For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b, c)
   a <span class="o">+</span> b
 <span class="k">end</span></code></pre>
-
 <p>and should be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b)
   a <span class="o">+</span> b
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UnusedArgument:
   Enabled: true
   IgnoreDefs: true
@@ -1039,7 +1034,7 @@ For example, this is considered invalid:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unused_argument.cr#L27" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unused_argument.cr#L27" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1063,7 +1058,7 @@ For example, this is considered invalid:</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1077,7 +1072,7 @@ For example, this is considered invalid:</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1091,7 +1086,7 @@ For example, this is considered invalid:</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1105,7 +1100,7 @@ For example, this is considered invalid:</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1119,7 +1114,7 @@ For example, this is considered invalid:</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1133,7 +1128,7 @@ For example, this is considered invalid:</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1147,7 +1142,7 @@ For example, this is considered invalid:</p>
         
         def <strong>ignore_blocks</strong> : Bool
 
-        <a class="method-permalink" href="#ignore_blocks:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#ignore_blocks%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1161,7 +1156,7 @@ For example, this is considered invalid:</p>
         
         def <strong>ignore_blocks=</strong>(ignore_blocks : Bool)
 
-        <a class="method-permalink" href="#ignore_blocks=(ignore_blocks:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#ignore_blocks%3D%28ignore_blocks%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1175,7 +1170,7 @@ For example, this is considered invalid:</p>
         
         def <strong>ignore_defs</strong> : Bool
 
-        <a class="method-permalink" href="#ignore_defs:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#ignore_defs%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1189,7 +1184,7 @@ For example, this is considered invalid:</p>
         
         def <strong>ignore_defs=</strong>(ignore_defs : Bool)
 
-        <a class="method-permalink" href="#ignore_defs=(ignore_defs:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#ignore_defs%3D%28ignore_defs%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1203,7 +1198,7 @@ For example, this is considered invalid:</p>
         
         def <strong>ignore_procs</strong> : Bool
 
-        <a class="method-permalink" href="#ignore_procs:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#ignore_procs%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1217,7 +1212,7 @@ For example, this is considered invalid:</p>
         
         def <strong>ignore_procs=</strong>(ignore_procs : Bool)
 
-        <a class="method-permalink" href="#ignore_procs=(ignore_procs:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#ignore_procs%3D%28ignore_procs%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1231,7 +1226,7 @@ For example, this is considered invalid:</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1245,7 +1240,7 @@ For example, this is considered invalid:</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1259,13 +1254,13 @@ For example, this is considered invalid:</p>
         
         def <strong>test</strong>(source, node : Crystal::ProcLiteral, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ProcLiteral,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AProcLiteral%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unused_argument.cr#L43" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unused_argument.cr#L43" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1275,13 +1270,13 @@ For example, this is considered invalid:</p>
         
         def <strong>test</strong>(source, node : Crystal::Block, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Block,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ABlock%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unused_argument.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unused_argument.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1291,13 +1286,13 @@ For example, this is considered invalid:</p>
         
         def <strong>test</strong>(source, node : Crystal::Def, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Def,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ADef%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unused_argument.cr#L51" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unused_argument.cr#L51" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1307,13 +1302,13 @@ For example, this is considered invalid:</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/unused_argument.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/unused_argument.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/UselessAssign.html b/Ameba/Rule/Lint/UselessAssign.html
index d9fdf17b..7f6572be 100644
--- a/Ameba/Rule/Lint/UselessAssign.html
+++ b/Ameba/Rule/Lint/UselessAssign.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,23 +645,17 @@
   </h2>
 
   <p>A rule that disallows useless assignments.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   var <span class="o">=</span> <span class="n">1</span>
   do_something
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   var <span class="o">=</span> <span class="n">1</span>
   do_something(var)
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UselessAssign:
   Enabled: true</code></pre>
 
@@ -699,7 +698,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_assign.cr#L28" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_assign.cr#L28" target="_blank">
         ameba/rule/lint/useless_assign.cr
       </a>
     
@@ -740,12 +739,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows useless assignments.</p></div>
         
@@ -768,52 +767,52 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node,scope:AST::Scope)-instance-method" class="signature"><strong>#test</strong>(source, node, scope : AST::Scope)</a>
+        <a href="#test%28source%2Cnode%2Cscope%3AAST%3A%3AScope%29-instance-method" class="signature"><strong>#test</strong>(source, node, scope : AST::Scope)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -850,17 +849,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -880,12 +879,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -955,7 +954,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -969,29 +968,23 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows useless assignments.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   var <span class="o">=</span> <span class="n">1</span>
   do_something
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   var <span class="o">=</span> <span class="n">1</span>
   do_something(var)
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UselessAssign:
   Enabled: true</code></pre>
         </div>
@@ -999,7 +992,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_assign.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_assign.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1023,7 +1016,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1037,7 +1030,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1051,7 +1044,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1065,7 +1058,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1079,7 +1072,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1093,7 +1086,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1107,7 +1100,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1121,7 +1114,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1135,13 +1128,13 @@
         
         def <strong>test</strong>(source, node, scope : <a href="../../../Ameba/AST/Scope.html">AST::Scope</a>)
 
-        <a class="method-permalink" href="#test(source,node,scope:AST::Scope)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%2Cscope%3AAST%3A%3AScope%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_assign.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_assign.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1151,13 +1144,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_assign.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_assign.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Lint/UselessConditionInWhen.html b/Ameba/Rule/Lint/UselessConditionInWhen.html
index df613e98..38266a4b 100644
--- a/Ameba/Rule/Lint/UselessConditionInWhen.html
+++ b/Ameba/Rule/Lint/UselessConditionInWhen.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,27 +646,21 @@
 
   <p>A rule that disallows useless conditions in when clause
 where it is guaranteed to always return the same result.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">case</span>
 <span class="k">when</span> utc?
   io <span class="o">&lt;&lt;</span> <span class="s">&quot; UTC&quot;</span>
 <span class="k">when</span> local?
   <span class="t">Format</span>.<span class="k">new</span>(<span class="s">&quot; %:z&quot;</span>).format(<span class="k">self</span>, io) <span class="k">if</span> local?
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">case</span>
 <span class="k">when</span> utc?
   io <span class="o">&lt;&lt;</span> <span class="s">&quot; UTC&quot;</span>
 <span class="k">when</span> local?
   <span class="t">Format</span>.<span class="k">new</span>(<span class="s">&quot; %:z&quot;</span>).format(<span class="k">self</span>, io)
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UselessConditionInWhen:
   Enabled: true</code></pre>
 
@@ -704,7 +703,7 @@ where it is guaranteed to always return the same result.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_condition_in_when.cr#L33" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_condition_in_when.cr#L33" target="_blank">
         ameba/rule/lint/useless_condition_in_when.cr
       </a>
     
@@ -745,12 +744,12 @@ where it is guaranteed to always return the same result.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows useless conditions in when clause where it is guaranteed to always return the same result.</p></div>
         
@@ -773,47 +772,47 @@ where it is guaranteed to always return the same result.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::When)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::When)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AWhen%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::When)</a>
         
       </li>
     
@@ -850,17 +849,17 @@ where it is guaranteed to always return the same result.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -880,12 +879,12 @@ where it is guaranteed to always return the same result.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -955,7 +954,7 @@ where it is guaranteed to always return the same result.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -969,34 +968,28 @@ where it is guaranteed to always return the same result.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows useless conditions in when clause
 where it is guaranteed to always return the same result.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">case</span>
 <span class="k">when</span> utc?
   io <span class="o">&lt;&lt;</span> <span class="s">&quot; UTC&quot;</span>
 <span class="k">when</span> local?
   <span class="t">Format</span>.<span class="k">new</span>(<span class="s">&quot; %:z&quot;</span>).format(<span class="k">self</span>, io) <span class="k">if</span> local?
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">case</span>
 <span class="k">when</span> utc?
   io <span class="o">&lt;&lt;</span> <span class="s">&quot; UTC&quot;</span>
 <span class="k">when</span> local?
   <span class="t">Format</span>.<span class="k">new</span>(<span class="s">&quot; %:z&quot;</span>).format(<span class="k">self</span>, io)
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Lint/UselessConditionInWhen:
   Enabled: true</code></pre>
         </div>
@@ -1004,7 +997,7 @@ where it is guaranteed to always return the same result.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_condition_in_when.cr#L33" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_condition_in_when.cr#L33" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1028,7 +1021,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1042,7 +1035,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1056,7 +1049,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1070,7 +1063,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1084,7 +1077,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1098,7 +1091,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1112,7 +1105,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1126,7 +1119,7 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1140,13 +1133,13 @@ where it is guaranteed to always return the same result.</p>
         
         def <strong>test</strong>(source, node : Crystal::When)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::When)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AWhen%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/lint/useless_condition_in_when.cr#L50" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/lint/useless_condition_in_when.cr#L50" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Metrics.html b/Ameba/Rule/Metrics.html
index 76986425..e20e7755 100644
--- a/Ameba/Rule/Metrics.html
+++ b/Ameba/Rule/Metrics.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,7 +656,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L1" target="_blank">
         ameba/rule/metrics/cyclomatic_complexity.cr
       </a>
     
diff --git a/Ameba/Rule/Metrics/CyclomaticComplexity.html b/Ameba/Rule/Metrics/CyclomaticComplexity.html
index 66ec2e95..d50ff8ea 100644
--- a/Ameba/Rule/Metrics/CyclomaticComplexity.html
+++ b/Ameba/Rule/Metrics/CyclomaticComplexity.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows methods with a cyclomatic complexity higher than <code>MaxComplexity</code></p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Metrics/CyclomaticComplexity:
   Enabled: true
   MaxComplexity: 10</code></pre>
@@ -686,7 +689,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L11" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L11" target="_blank">
         ameba/rule/metrics/cyclomatic_complexity.cr
       </a>
     
@@ -727,12 +730,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows methods with a cyclomatic complexity higher than <code>MaxComplexity</code></p></div>
         
@@ -755,57 +758,57 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_complexity:Int32-instance-method" class="signature"><strong>#max_complexity</strong> : Int32</a>
+        <a href="#max_complexity%3AInt32-instance-method" class="signature"><strong>#max_complexity</strong> : Int32</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_complexity=(max_complexity:Int32)-instance-method" class="signature"><strong>#max_complexity=</strong>(max_complexity : Int32)</a>
+        <a href="#max_complexity%3D%28max_complexity%3AInt32%29-instance-method" class="signature"><strong>#max_complexity=</strong>(max_complexity : Int32)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Def)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
         
       </li>
     
@@ -842,17 +845,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -872,12 +875,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -947,7 +950,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -961,15 +964,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows methods with a cyclomatic complexity higher than <code>MaxComplexity</code></p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Metrics/CyclomaticComplexity:
   Enabled: true
   MaxComplexity: 10</code></pre>
@@ -978,7 +979,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L11" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L11" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1002,7 +1003,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1016,7 +1017,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1030,7 +1031,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1044,7 +1045,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1058,7 +1059,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1072,7 +1073,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1086,7 +1087,7 @@
         
         def <strong>max_complexity</strong> : Int32
 
-        <a class="method-permalink" href="#max_complexity:Int32-instance-method">#</a>
+        <a class="method-permalink" href="#max_complexity%3AInt32-instance-method">#</a>
       </div>
       
       <br/>
@@ -1100,7 +1101,7 @@
         
         def <strong>max_complexity=</strong>(max_complexity : Int32)
 
-        <a class="method-permalink" href="#max_complexity=(max_complexity:Int32)-instance-method">#</a>
+        <a class="method-permalink" href="#max_complexity%3D%28max_complexity%3AInt32%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1114,7 +1115,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1128,7 +1129,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1142,13 +1143,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Def)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Def)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L19" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/metrics/cyclomatic_complexity.cr#L19" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance.html b/Ameba/Rule/Performance.html
index 5d85a8b0..0f6c8a9d 100644
--- a/Ameba/Rule/Performance.html
+++ b/Ameba/Rule/Performance.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,63 +656,63 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_after_filter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_after_filter.cr#L3" target="_blank">
         ameba/rule/performance/any_after_filter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_instead_of_empty.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_instead_of_empty.cr#L3" target="_blank">
         ameba/rule/performance/any_instead_of_empty.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/base.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/base.cr#L3" target="_blank">
         ameba/rule/performance/base.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L3" target="_blank">
         ameba/rule/performance/chained_call_with_no_bang.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/compact_after_map.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/compact_after_map.cr#L3" target="_blank">
         ameba/rule/performance/compact_after_map.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/first_last_after_filter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/first_last_after_filter.cr#L3" target="_blank">
         ameba/rule/performance/first_last_after_filter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/flatten_after_map.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/flatten_after_map.cr#L3" target="_blank">
         ameba/rule/performance/flatten_after_map.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/map_instead_of_block.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/map_instead_of_block.cr#L3" target="_blank">
         ameba/rule/performance/map_instead_of_block.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/size_after_filter.cr#L3" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/size_after_filter.cr#L3" target="_blank">
         ameba/rule/performance/size_after_filter.cr
       </a>
     
diff --git a/Ameba/Rule/Performance/AnyAfterFilter.html b/Ameba/Rule/Performance/AnyAfterFilter.html
index 43365b71..b83f4376 100644
--- a/Ameba/Rule/Performance/AnyAfterFilter.html
+++ b/Ameba/Rule/Performance/AnyAfterFilter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,19 +645,13 @@
   </h2>
 
   <p>This rule is used to identify usage of <code>any?</code> calls that follow filters.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }.any?
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].reject { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;=</span> <span class="n">2</span> }.any?</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any? { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any? { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&lt;</span> <span class="n">2</span> }</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/AnyAfterFilter:
   Enabled: true
   FilterNames:
@@ -698,7 +697,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_after_filter.cr#L29" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_after_filter.cr#L29" target="_blank">
         ameba/rule/performance/any_after_filter.cr
       </a>
     
@@ -744,14 +743,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>any?</code> calls that follow filters.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>any?</code> calls that follow filters.</p></div>
         
@@ -774,57 +773,57 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names:Array(String)-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
+        <a href="#filter_names%3AArray%28String%29-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names=(filter_names:Array(String))-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
+        <a href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -861,7 +860,7 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -873,7 +872,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -909,17 +908,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -939,12 +938,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1014,25 +1013,19 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>any?</code> calls that follow filters.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }.any?
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].reject { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;=</span> <span class="n">2</span> }.any?</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any? { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any? { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&lt;</span> <span class="n">2</span> }</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/AnyAfterFilter:
   Enabled: true
   FilterNames:
@@ -1051,25 +1044,19 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>any?</code> calls that follow filters.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }.any?
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].reject { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;=</span> <span class="n">2</span> }.any?</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any? { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any? { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&lt;</span> <span class="n">2</span> }</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/AnyAfterFilter:
   Enabled: true
   FilterNames:
@@ -1080,7 +1067,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_after_filter.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_after_filter.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1104,7 +1091,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,7 +1105,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1132,7 +1119,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1146,7 +1133,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1160,7 +1147,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1174,7 +1161,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1188,7 +1175,7 @@
         
         def <strong>filter_names</strong> : Array(String)
 
-        <a class="method-permalink" href="#filter_names:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3AArray%28String%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1202,7 +1189,7 @@
         
         def <strong>filter_names=</strong>(filter_names : Array(String))
 
-        <a class="method-permalink" href="#filter_names=(filter_names:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1216,7 +1203,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1230,7 +1217,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1244,13 +1231,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_after_filter.cr#L38" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_after_filter.cr#L38" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/AnyInsteadOfEmpty.html b/Ameba/Rule/Performance/AnyInsteadOfEmpty.html
index 36f78692..f426fe6f 100644
--- a/Ameba/Rule/Performance/AnyInsteadOfEmpty.html
+++ b/Ameba/Rule/Performance/AnyInsteadOfEmpty.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,23 +645,16 @@
   </h2>
 
   <p>This rule is used to identify usage of arg-less <code>Enumerable#any?</code> calls.</p>
-
 <p>Using <code>Enumerable#any?</code> instead of <code>Enumerable#empty?</code> might lead to an
 unexpected results (like <code>[nil, false].any? # => false</code>). In some cases
 it also might be less efficient, since it iterates until the block will
 return a <em>truthy</em> value, instead of just checking if there's at least
 one value present.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any?</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal"><span class="o">!</span>[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].empty?</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/AnyInsteadOfEmpty:
   Enabled: true</code></pre>
 
@@ -699,7 +697,7 @@ one value present.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_instead_of_empty.cr#L30" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_instead_of_empty.cr#L30" target="_blank">
         ameba/rule/performance/any_instead_of_empty.cr
       </a>
     
@@ -745,14 +743,14 @@ one value present.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of arg-less <code>Enumerable#any?</code> calls.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of arg-less <code>Enumerable#any?</code> calls.</p></div>
         
@@ -775,47 +773,47 @@ one value present.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -852,7 +850,7 @@ one value present.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -864,7 +862,7 @@ one value present.</p>
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -900,17 +898,17 @@ one value present.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -930,12 +928,12 @@ one value present.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1005,29 +1003,22 @@ one value present.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of arg-less <code>Enumerable#any?</code> calls.</p>
-
 <p>Using <code>Enumerable#any?</code> instead of <code>Enumerable#empty?</code> might lead to an
 unexpected results (like <code>[nil, false].any? # => false</code>). In some cases
 it also might be less efficient, since it iterates until the block will
 return a <em>truthy</em> value, instead of just checking if there's at least
 one value present.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any?</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal"><span class="o">!</span>[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].empty?</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/AnyInsteadOfEmpty:
   Enabled: true</code></pre>
         </div>
@@ -1043,29 +1034,22 @@ one value present.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of arg-less <code>Enumerable#any?</code> calls.</p>
-
 <p>Using <code>Enumerable#any?</code> instead of <code>Enumerable#empty?</code> might lead to an
 unexpected results (like <code>[nil, false].any? # => false</code>). In some cases
 it also might be less efficient, since it iterates until the block will
 return a <em>truthy</em> value, instead of just checking if there's at least
 one value present.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].any?</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal"><span class="o">!</span>[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].empty?</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/AnyInsteadOfEmpty:
   Enabled: true</code></pre>
         </div>
@@ -1073,7 +1057,7 @@ one value present.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_instead_of_empty.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_instead_of_empty.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1097,7 +1081,7 @@ one value present.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1111,7 +1095,7 @@ one value present.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1125,7 +1109,7 @@ one value present.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1139,7 +1123,7 @@ one value present.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1153,7 +1137,7 @@ one value present.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1167,7 +1151,7 @@ one value present.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1181,7 +1165,7 @@ one value present.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1195,7 +1179,7 @@ one value present.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1209,13 +1193,13 @@ one value present.</p>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/any_instead_of_empty.cr#L38" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/any_instead_of_empty.cr#L38" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/Base.html b/Ameba/Rule/Performance/Base.html
index 46f2c0ff..05e5c6a0 100644
--- a/Ameba/Rule/Performance/Base.html
+++ b/Ameba/Rule/Performance/Base.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -708,7 +713,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/base.cr#L5" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/base.cr#L5" target="_blank">
         ameba/rule/performance/base.cr
       </a>
     
@@ -730,12 +735,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A general base class for performance rules.</p></div>
         
@@ -758,7 +763,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#catch(source:Source)-instance-method" class="signature"><strong>#catch</strong>(source : Source)</a>
+        <a href="#catch%28source%3ASource%29-instance-method" class="signature"><strong>#catch</strong>(source : Source)</a>
         
           <div class="summary"><p>A convenient addition to <code>#test</code> method that does the same but returns a passed in <code>source</code> as an addition.</p></div>
         
@@ -797,17 +802,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -827,12 +832,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -902,7 +907,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -916,7 +921,7 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -927,7 +932,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/base.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/base.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -951,7 +956,7 @@
         
         def <strong>catch</strong>(source : <a href="../../../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#catch(source:Source)-instance-method">#</a>
+        <a class="method-permalink" href="#catch%28source%3ASource%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -962,7 +967,6 @@
           
           <p>A convenient addition to <code>#test</code> method that does the same
 but returns a passed in <code>source</code> as an addition.</p>
-
 <pre><code class="language-crystal">source <span class="o">=</span> <span class="t">MyRule</span>.<span class="k">new</span>.catch(source)
 source.valid?</code></pre>
         </div>
@@ -970,7 +974,7 @@ source.valid?</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/base.cr#L6" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/base.cr#L6" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/ChainedCallWithNoBang.html b/Ameba/Rule/Performance/ChainedCallWithNoBang.html
index ac5abb01..7a033152 100644
--- a/Ameba/Rule/Performance/ChainedCallWithNoBang.html
+++ b/Ameba/Rule/Performance/ChainedCallWithNoBang.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,25 +646,19 @@
 
   <p>This rule is used to identify usage of chained calls not utilizing
 the bang method variants.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">names <span class="o">=</span> <span class="s">%w[Alice Bob]</span>
 chars <span class="o">=</span> names
   .flat_map(<span class="o">&amp;</span>.chars)
   .uniq
   .sort</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">names <span class="o">=</span> <span class="s">%w[Alice Bob]</span>
 chars <span class="o">=</span> names
   .flat_map(<span class="o">&amp;</span>.chars)
   .uniq!
   .sort!</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/ChainedCallWithNoBang:
   Enabled: true
   CallNames:
@@ -708,7 +707,7 @@ chars <span class="o">=</span> names
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L39" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L39" target="_blank">
         ameba/rule/performance/chained_call_with_no_bang.cr
       </a>
     
@@ -758,14 +757,14 @@ chars <span class="o">=</span> names
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of chained calls not utilizing the bang method variants.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of chained calls not utilizing the bang method variants.</p></div>
         
@@ -788,62 +787,62 @@ chars <span class="o">=</span> names
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#call_names:Array(String)-instance-method" class="signature"><strong>#call_names</strong> : Array(String)</a>
+        <a href="#call_names%3AArray%28String%29-instance-method" class="signature"><strong>#call_names</strong> : Array(String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#call_names=(call_names:Array(String))-instance-method" class="signature"><strong>#call_names=</strong>(call_names : Array(String))</a>
+        <a href="#call_names%3D%28call_names%3AArray%28String%29%29-instance-method" class="signature"><strong>#call_names=</strong>(call_names : Array(String))</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -880,7 +879,7 @@ chars <span class="o">=</span> names
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -892,7 +891,7 @@ chars <span class="o">=</span> names
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -928,17 +927,17 @@ chars <span class="o">=</span> names
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -958,12 +957,12 @@ chars <span class="o">=</span> names
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1033,32 +1032,26 @@ chars <span class="o">=</span> names
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of chained calls not utilizing
 the bang method variants.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">names <span class="o">=</span> <span class="s">%w[Alice Bob]</span>
 chars <span class="o">=</span> names
   .flat_map(<span class="o">&amp;</span>.chars)
   .uniq
   .sort</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">names <span class="o">=</span> <span class="s">%w[Alice Bob]</span>
 chars <span class="o">=</span> names
   .flat_map(<span class="o">&amp;</span>.chars)
   .uniq!
   .sort!</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/ChainedCallWithNoBang:
   Enabled: true
   CallNames:
@@ -1080,32 +1073,26 @@ chars <span class="o">=</span> names
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of chained calls not utilizing
 the bang method variants.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">names <span class="o">=</span> <span class="s">%w[Alice Bob]</span>
 chars <span class="o">=</span> names
   .flat_map(<span class="o">&amp;</span>.chars)
   .uniq
   .sort</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">names <span class="o">=</span> <span class="s">%w[Alice Bob]</span>
 chars <span class="o">=</span> names
   .flat_map(<span class="o">&amp;</span>.chars)
   .uniq!
   .sort!</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/ChainedCallWithNoBang:
   Enabled: true
   CallNames:
@@ -1119,7 +1106,7 @@ chars <span class="o">=</span> names
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1143,7 +1130,7 @@ chars <span class="o">=</span> names
         
         def <strong>call_names</strong> : Array(String)
 
-        <a class="method-permalink" href="#call_names:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#call_names%3AArray%28String%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1157,7 +1144,7 @@ chars <span class="o">=</span> names
         
         def <strong>call_names=</strong>(call_names : Array(String))
 
-        <a class="method-permalink" href="#call_names=(call_names:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#call_names%3D%28call_names%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1171,7 +1158,7 @@ chars <span class="o">=</span> names
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1185,7 +1172,7 @@ chars <span class="o">=</span> names
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1199,7 +1186,7 @@ chars <span class="o">=</span> names
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1213,7 +1200,7 @@ chars <span class="o">=</span> names
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1227,7 +1214,7 @@ chars <span class="o">=</span> names
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1241,7 +1228,7 @@ chars <span class="o">=</span> names
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1255,7 +1242,7 @@ chars <span class="o">=</span> names
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1269,7 +1256,7 @@ chars <span class="o">=</span> names
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1283,13 +1270,13 @@ chars <span class="o">=</span> names
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L68" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L68" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1299,13 +1286,13 @@ chars <span class="o">=</span> names
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L59" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/chained_call_with_no_bang.cr#L59" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/CompactAfterMap.html b/Ameba/Rule/Performance/CompactAfterMap.html
index 0c6332bb..e8e66cdc 100644
--- a/Ameba/Rule/Performance/CompactAfterMap.html
+++ b/Ameba/Rule/Performance/CompactAfterMap.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,17 +645,11 @@
   </h2>
 
   <p>This rule is used to identify usage of <code>compact</code> calls that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>)).compact</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.compact_map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/CompactAfterMap:
   Enabled: true</code></pre>
 
@@ -693,7 +692,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/compact_after_map.cr#L24" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/compact_after_map.cr#L24" target="_blank">
         ameba/rule/performance/compact_after_map.cr
       </a>
     
@@ -744,14 +743,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>compact</code> calls that follow <code>map</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>compact</code> calls that follow <code>map</code>.</p></div>
         
@@ -774,52 +773,52 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -856,7 +855,7 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -868,7 +867,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -904,17 +903,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -934,12 +933,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1009,23 +1008,17 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>compact</code> calls that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>)).compact</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.compact_map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/CompactAfterMap:
   Enabled: true</code></pre>
         </div>
@@ -1041,23 +1034,17 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>compact</code> calls that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>)).compact</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.compact_map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/CompactAfterMap:
   Enabled: true</code></pre>
         </div>
@@ -1065,7 +1052,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/compact_after_map.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/compact_after_map.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1089,7 +1076,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1103,7 +1090,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1117,7 +1104,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1131,7 +1118,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1145,7 +1132,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1159,7 +1146,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1173,7 +1160,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1187,7 +1174,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1201,13 +1188,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/compact_after_map.cr#L42" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/compact_after_map.cr#L42" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1217,13 +1204,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/compact_after_map.cr#L33" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/compact_after_map.cr#L33" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/FirstLastAfterFilter.html b/Ameba/Rule/Performance/FirstLastAfterFilter.html
index adab7dcf..7970e395 100644
--- a/Ameba/Rule/Performance/FirstLastAfterFilter.html
+++ b/Ameba/Rule/Performance/FirstLastAfterFilter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,19 +645,13 @@
   </h2>
 
   <p>This rule is used to identify usage of <code>first/last/first?/last?</code> calls that follow filters.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">[<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }.first?
 [<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }.last?</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].find { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }
 [<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].reverse_each.find { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/FirstLastAfterFilter
   Enabled: true
   FilterNames:
@@ -697,7 +696,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/first_last_after_filter.cr#L28" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/first_last_after_filter.cr#L28" target="_blank">
         ameba/rule/performance/first_last_after_filter.cr
       </a>
     
@@ -748,14 +747,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>first/last/first?/last?</code> calls that follow filters.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>first/last/first?/last?</code> calls that follow filters.</p></div>
         
@@ -778,62 +777,62 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names:Array(String)-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
+        <a href="#filter_names%3AArray%28String%29-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names=(filter_names:Array(String))-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
+        <a href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -870,7 +869,7 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -882,7 +881,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -918,17 +917,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -948,12 +947,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1023,25 +1022,19 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>first/last/first?/last?</code> calls that follow filters.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">[<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }.first?
 [<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }.last?</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].find { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }
 [<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].reverse_each.find { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/FirstLastAfterFilter
   Enabled: true
   FilterNames:
@@ -1059,25 +1052,19 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>first/last/first?/last?</code> calls that follow filters.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">[<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }.first?
 [<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }.last?</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].find { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }
 [<span class="n">-1</span>, <span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].reverse_each.find { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">0</span> }</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/FirstLastAfterFilter
   Enabled: true
   FilterNames:
@@ -1087,7 +1074,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/first_last_after_filter.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/first_last_after_filter.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1111,7 +1098,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1125,7 +1112,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1139,7 +1126,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1153,7 +1140,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1167,7 +1154,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1181,7 +1168,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1195,7 +1182,7 @@
         
         def <strong>filter_names</strong> : Array(String)
 
-        <a class="method-permalink" href="#filter_names:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3AArray%28String%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1209,7 +1196,7 @@
         
         def <strong>filter_names=</strong>(filter_names : Array(String))
 
-        <a class="method-permalink" href="#filter_names=(filter_names:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1223,7 +1210,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1237,7 +1224,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1251,13 +1238,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/first_last_after_filter.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/first_last_after_filter.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1267,13 +1254,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/first_last_after_filter.cr#L38" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/first_last_after_filter.cr#L38" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/FlattenAfterMap.html b/Ameba/Rule/Performance/FlattenAfterMap.html
index 996a15cd..b149a06c 100644
--- a/Ameba/Rule/Performance/FlattenAfterMap.html
+++ b/Ameba/Rule/Performance/FlattenAfterMap.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,17 +645,11 @@
   </h2>
 
   <p>This rule is used to identify usage of <code>flatten</code> calls that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.chars).flatten</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.flat_map(<span class="o">&amp;</span>.chars)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/FlattenAfterMap:
   Enabled: true</code></pre>
 
@@ -693,7 +692,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/flatten_after_map.cr#L24" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/flatten_after_map.cr#L24" target="_blank">
         ameba/rule/performance/flatten_after_map.cr
       </a>
     
@@ -744,14 +743,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>flatten</code> calls that follow <code>map</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>flatten</code> calls that follow <code>map</code>.</p></div>
         
@@ -774,52 +773,52 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -856,7 +855,7 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -868,7 +867,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -904,17 +903,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -934,12 +933,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1009,23 +1008,17 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>flatten</code> calls that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.chars).flatten</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.flat_map(<span class="o">&amp;</span>.chars)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/FlattenAfterMap:
   Enabled: true</code></pre>
         </div>
@@ -1041,23 +1034,17 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>flatten</code> calls that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.chars).flatten</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal"><span class="s">%w[Alice Bob]</span>.flat_map(<span class="o">&amp;</span>.chars)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/FlattenAfterMap:
   Enabled: true</code></pre>
         </div>
@@ -1065,7 +1052,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/flatten_after_map.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/flatten_after_map.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1089,7 +1076,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1103,7 +1090,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1117,7 +1104,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1131,7 +1118,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1145,7 +1132,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1159,7 +1146,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1173,7 +1160,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1187,7 +1174,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1201,13 +1188,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/flatten_after_map.cr#L42" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/flatten_after_map.cr#L42" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1217,13 +1204,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/flatten_after_map.cr#L33" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/flatten_after_map.cr#L33" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/MapInsteadOfBlock.html b/Ameba/Rule/Performance/MapInsteadOfBlock.html
index 94d15db8..4237dccf 100644
--- a/Ameba/Rule/Performance/MapInsteadOfBlock.html
+++ b/Ameba/Rule/Performance/MapInsteadOfBlock.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,17 +646,11 @@
 
   <p>This rule is used to identify usage of <code>sum/product</code> calls
 that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).map(<span class="o">&amp;</span>.<span class="o">*</span>(<span class="n">2</span>)).sum</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).sum(<span class="o">&amp;</span>.<span class="o">*</span>(<span class="n">2</span>))</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/MapInsteadOfBlock:
   Enabled: true</code></pre>
 
@@ -694,7 +693,7 @@ that follow <code>map</code>.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/map_instead_of_block.cr#L25" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/map_instead_of_block.cr#L25" target="_blank">
         ameba/rule/performance/map_instead_of_block.cr
       </a>
     
@@ -745,14 +744,14 @@ that follow <code>map</code>.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>sum/product</code> calls that follow <code>map</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>sum/product</code> calls that follow <code>map</code>.</p></div>
         
@@ -775,52 +774,52 @@ that follow <code>map</code>.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -857,7 +856,7 @@ that follow <code>map</code>.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -869,7 +868,7 @@ that follow <code>map</code>.</p>
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -905,17 +904,17 @@ that follow <code>map</code>.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -935,12 +934,12 @@ that follow <code>map</code>.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1010,24 +1009,18 @@ that follow <code>map</code>.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>sum/product</code> calls
 that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).map(<span class="o">&amp;</span>.<span class="o">*</span>(<span class="n">2</span>)).sum</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).sum(<span class="o">&amp;</span>.<span class="o">*</span>(<span class="n">2</span>))</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/MapInsteadOfBlock:
   Enabled: true</code></pre>
         </div>
@@ -1043,24 +1036,18 @@ that follow <code>map</code>.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>sum/product</code> calls
 that follow <code>map</code>.</p>
-
 <p>For example, this is considered inefficient:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).map(<span class="o">&amp;</span>.<span class="o">*</span>(<span class="n">2</span>)).sum</code></pre>
-
 <p>And can be written as this:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).sum(<span class="o">&amp;</span>.<span class="o">*</span>(<span class="n">2</span>))</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/MapInsteadOfBlock:
   Enabled: true</code></pre>
         </div>
@@ -1068,7 +1055,7 @@ that follow <code>map</code>.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/map_instead_of_block.cr#L25" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/map_instead_of_block.cr#L25" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1092,7 +1079,7 @@ that follow <code>map</code>.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1106,7 +1093,7 @@ that follow <code>map</code>.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1120,7 +1107,7 @@ that follow <code>map</code>.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1134,7 +1121,7 @@ that follow <code>map</code>.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1148,7 +1135,7 @@ that follow <code>map</code>.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1162,7 +1149,7 @@ that follow <code>map</code>.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1176,7 +1163,7 @@ that follow <code>map</code>.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1190,7 +1177,7 @@ that follow <code>map</code>.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1204,13 +1191,13 @@ that follow <code>map</code>.</p>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/map_instead_of_block.cr#L43" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/map_instead_of_block.cr#L43" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1220,13 +1207,13 @@ that follow <code>map</code>.</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/map_instead_of_block.cr#L34" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/map_instead_of_block.cr#L34" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Performance/SizeAfterFilter.html b/Ameba/Rule/Performance/SizeAfterFilter.html
index 2225ba2b..7e45d424 100644
--- a/Ameba/Rule/Performance/SizeAfterFilter.html
+++ b/Ameba/Rule/Performance/SizeAfterFilter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,25 +645,19 @@
   </h2>
 
   <p>This rule is used to identify usage of <code>size</code> calls that follow filter.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }.size
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].reject { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&lt;</span> <span class="n">2</span> }.size
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span>(<span class="o">&amp;</span>.<span class="o">&lt;</span> <span class="n">2</span>).size
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span>(<span class="o">&amp;</span>.zero?).size
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].reject(<span class="o">&amp;</span>.zero?).size</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;=</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count(<span class="o">&amp;</span>.<span class="o">&lt;</span> <span class="n">2</span>)
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].count(<span class="o">&amp;</span>.zero?)
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].count(<span class="o">&amp;</span>.<span class="o">!=</span> <span class="n">0</span>)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/SizeAfterFilter:
   Enabled: true
   FilterNames:
@@ -704,7 +703,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/size_after_filter.cr#L35" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/size_after_filter.cr#L35" target="_blank">
         ameba/rule/performance/size_after_filter.cr
       </a>
     
@@ -750,14 +749,14 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>size</code> calls that follow filter.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>size</code> calls that follow filter.</p></div>
         
@@ -780,62 +779,62 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names:Array(String)-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
+        <a href="#filter_names%3AArray%28String%29-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names=(filter_names:Array(String))-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
+        <a href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -872,7 +871,7 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>
     
@@ -884,7 +883,7 @@
   <h3>Constructor methods inherited from class <code><a href="../../../Ameba/Rule/Performance/Base.html">Ameba::Rule::Performance::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Performance/Base.html#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Performance/Base.html#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="tooltip">
       <span>new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)<br/>new(config = <span class="n">nil</span>)</span>
     new</a>
     
@@ -920,17 +919,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -950,12 +949,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1025,31 +1024,25 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>size</code> calls that follow filter.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }.size
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].reject { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&lt;</span> <span class="n">2</span> }.size
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span>(<span class="o">&amp;</span>.<span class="o">&lt;</span> <span class="n">2</span>).size
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span>(<span class="o">&amp;</span>.zero?).size
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].reject(<span class="o">&amp;</span>.zero?).size</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;=</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count(<span class="o">&amp;</span>.<span class="o">&lt;</span> <span class="n">2</span>)
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].count(<span class="o">&amp;</span>.zero?)
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].count(<span class="o">&amp;</span>.<span class="o">!=</span> <span class="n">0</span>)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/SizeAfterFilter:
   Enabled: true
   FilterNames:
@@ -1068,31 +1061,25 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>size</code> calls that follow filter.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span> { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }.size
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].reject { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&lt;</span> <span class="n">2</span> }.size
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].<span class="k">select</span>(<span class="o">&amp;</span>.<span class="o">&lt;</span> <span class="n">2</span>).size
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].<span class="k">select</span>(<span class="o">&amp;</span>.zero?).size
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].reject(<span class="o">&amp;</span>.zero?).size</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">[<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count { <span class="o">|</span>e<span class="o">|</span> e <span class="o">&gt;=</span> <span class="n">2</span> }
 [<span class="n">1</span>, <span class="n">2</span>, <span class="n">3</span>].count(<span class="o">&amp;</span>.<span class="o">&lt;</span> <span class="n">2</span>)
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].count(<span class="o">&amp;</span>.zero?)
 [<span class="n">0</span>, <span class="n">1</span>, <span class="n">2</span>].count(<span class="o">&amp;</span>.<span class="o">!=</span> <span class="n">0</span>)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Performance/SizeAfterFilter:
   Enabled: true
   FilterNames:
@@ -1103,7 +1090,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/size_after_filter.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/size_after_filter.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1127,7 +1114,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1141,7 +1128,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1155,7 +1142,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1169,7 +1156,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1183,7 +1170,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1197,7 +1184,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1211,7 +1198,7 @@
         
         def <strong>filter_names</strong> : Array(String)
 
-        <a class="method-permalink" href="#filter_names:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3AArray%28String%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1225,7 +1212,7 @@
         
         def <strong>filter_names=</strong>(filter_names : Array(String))
 
-        <a class="method-permalink" href="#filter_names=(filter_names:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1239,7 +1226,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1253,7 +1240,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1267,13 +1254,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/size_after_filter.cr#L53" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/size_after_filter.cr#L53" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1283,13 +1270,13 @@
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/performance/size_after_filter.cr#L44" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/performance/size_after_filter.cr#L44" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style.html b/Ameba/Rule/Style.html
index 55b74ab1..9289ae80 100644
--- a/Ameba/Rule/Style.html
+++ b/Ameba/Rule/Style.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,105 +656,105 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/constant_names.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/constant_names.cr#L1" target="_blank">
         ameba/rule/style/constant_names.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_filter.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_filter.cr#L1" target="_blank">
         ameba/rule/style/is_a_filter.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_nil.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_nil.cr#L1" target="_blank">
         ameba/rule/style/is_a_nil.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/large_numbers.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/large_numbers.cr#L1" target="_blank">
         ameba/rule/style/large_numbers.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/method_names.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/method_names.cr#L1" target="_blank">
         ameba/rule/style/method_names.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/negated_conditions_in_unless.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/negated_conditions_in_unless.cr#L1" target="_blank">
         ameba/rule/style/negated_conditions_in_unless.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/predicate_name.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/predicate_name.cr#L1" target="_blank">
         ameba/rule/style/predicate_name.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_begin.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_begin.cr#L1" target="_blank">
         ameba/rule/style/redundant_begin.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_next.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_next.cr#L1" target="_blank">
         ameba/rule/style/redundant_next.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_return.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_return.cr#L1" target="_blank">
         ameba/rule/style/redundant_return.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L1" target="_blank">
         ameba/rule/style/type_names.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/unless_else.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/unless_else.cr#L1" target="_blank">
         ameba/rule/style/unless_else.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/variable_names.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/variable_names.cr#L1" target="_blank">
         ameba/rule/style/variable_names.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/verbose_block.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/verbose_block.cr#L1" target="_blank">
         ameba/rule/style/verbose_block.cr
       </a>
     
     <br/>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/while_true.cr#L1" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/while_true.cr#L1" target="_blank">
         ameba/rule/style/while_true.cr
       </a>
     
diff --git a/Ameba/Rule/Style/ConstantNames.html b/Ameba/Rule/Style/ConstantNames.html
index 3dd97f5f..1973cc22 100644
--- a/Ameba/Rule/Style/ConstantNames.html
+++ b/Ameba/Rule/Style/ConstantNames.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,19 +645,13 @@
   </h2>
 
   <p>A rule that enforces constant names to be in screaming case.</p>
-
 <p>For example, these constant names are considered valid:</p>
-
 <pre><code class="language-crystal"><span class="t">LUCKY_NUMBERS</span>     <span class="o">=</span> [<span class="n">3</span>, <span class="n">7</span>, <span class="n">11</span>]
 <span class="t">DOCUMENTATION_URL</span> <span class="o">=</span> <span class="s">&quot;http://crystal-lang.org/docs&quot;</span></code></pre>
-
 <p>And these are invalid names:</p>
-
 <pre><code class="language-crystal">myBadConstant <span class="o">=</span> <span class="n">1</span>
 <span class="t">Wrong_NAME</span> <span class="o">=</span> <span class="n">2</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/ConstantNames:
   Enabled: true</code></pre>
 
@@ -695,7 +694,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/constant_names.cr#L24" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/constant_names.cr#L24" target="_blank">
         ameba/rule/style/constant_names.cr
       </a>
     
@@ -736,12 +735,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that enforces constant names to be in screaming case.</p></div>
         
@@ -764,47 +763,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Assign)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Assign)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AAssign%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Assign)</a>
         
       </li>
     
@@ -841,17 +840,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -871,12 +870,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -946,7 +945,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -960,25 +959,19 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that enforces constant names to be in screaming case.</p>
-
 <p>For example, these constant names are considered valid:</p>
-
 <pre><code class="language-crystal"><span class="t">LUCKY_NUMBERS</span>     <span class="o">=</span> [<span class="n">3</span>, <span class="n">7</span>, <span class="n">11</span>]
 <span class="t">DOCUMENTATION_URL</span> <span class="o">=</span> <span class="s">&quot;http://crystal-lang.org/docs&quot;</span></code></pre>
-
 <p>And these are invalid names:</p>
-
 <pre><code class="language-crystal">myBadConstant <span class="o">=</span> <span class="n">1</span>
 <span class="t">Wrong_NAME</span> <span class="o">=</span> <span class="n">2</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/ConstantNames:
   Enabled: true</code></pre>
         </div>
@@ -986,7 +979,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/constant_names.cr#L24" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/constant_names.cr#L24" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1010,7 +1003,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1024,7 +1017,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1038,7 +1031,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1052,7 +1045,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1066,7 +1059,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1080,7 +1073,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1094,7 +1087,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1108,7 +1101,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1122,13 +1115,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Assign)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Assign)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AAssign%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/constant_names.cr#L31" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/constant_names.cr#L31" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/IsAFilter.html b/Ameba/Rule/Style/IsAFilter.html
index b09c5e8b..3448faa8 100644
--- a/Ameba/Rule/Style/IsAFilter.html
+++ b/Ameba/Rule/Style/IsAFilter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>This rule is used to identify usage of <code>is_a?/nil?</code> calls within filters.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">matches <span class="o">=</span> <span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))
 
 matches.any?(<span class="o">&amp;</span>.<span class="k">is_a?</span>(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>)) <span class="c"># =&gt; true</span>
@@ -650,9 +653,7 @@ matches.one?(<span class="o">&amp;</span>.<span class="k">nil?</span>)
 
 <span class="k">typeof</span>(matches.reject(<span class="o">&amp;</span>.<span class="k">nil?</span>))                    <span class="c"># =&gt; Array(Regex::MatchData | Nil)</span>
 <span class="k">typeof</span>(matches.<span class="k">select</span>(<span class="o">&amp;</span>.<span class="k">is_a?</span>(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>))) <span class="c"># =&gt; Array(Regex::MatchData | Nil)</span></code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">matches <span class="o">=</span> <span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))
 
 matches.any?(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>) <span class="c"># =&gt; true</span>
@@ -660,9 +661,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
 
 <span class="k">typeof</span>(matches.reject(<span class="t">Nil</span>))              <span class="c"># =&gt; Array(Regex::MatchData)</span>
 <span class="k">typeof</span>(matches.<span class="k">select</span>(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>)) <span class="c"># =&gt; Array(Regex::MatchData)</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/IsAFilter:
   Enabled: true
   FilterNames:
@@ -712,7 +711,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_filter.cr#L41" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_filter.cr#L41" target="_blank">
         ameba/rule/style/is_a_filter.cr
       </a>
     
@@ -753,12 +752,12 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of <code>is_a?/nil?</code> calls within filters.</p></div>
         
@@ -781,62 +780,62 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names:Array(String)-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
+        <a href="#filter_names%3AArray%28String%29-instance-method" class="signature"><strong>#filter_names</strong> : Array(String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#filter_names=(filter_names:Array(String))-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
+        <a href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method" class="signature"><strong>#filter_names=</strong>(filter_names : Array(String))</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -873,17 +872,17 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -903,12 +902,12 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -978,7 +977,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -992,15 +991,13 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of <code>is_a?/nil?</code> calls within filters.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">matches <span class="o">=</span> <span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))
 
 matches.any?(<span class="o">&amp;</span>.<span class="k">is_a?</span>(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>)) <span class="c"># =&gt; true</span>
@@ -1008,9 +1005,7 @@ matches.one?(<span class="o">&amp;</span>.<span class="k">nil?</span>)
 
 <span class="k">typeof</span>(matches.reject(<span class="o">&amp;</span>.<span class="k">nil?</span>))                    <span class="c"># =&gt; Array(Regex::MatchData | Nil)</span>
 <span class="k">typeof</span>(matches.<span class="k">select</span>(<span class="o">&amp;</span>.<span class="k">is_a?</span>(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>))) <span class="c"># =&gt; Array(Regex::MatchData | Nil)</span></code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">matches <span class="o">=</span> <span class="s">%w[Alice Bob]</span>.map(<span class="o">&amp;</span>.match(<span class="s">/^A./</span>))
 
 matches.any?(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>) <span class="c"># =&gt; true</span>
@@ -1018,9 +1013,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
 
 <span class="k">typeof</span>(matches.reject(<span class="t">Nil</span>))              <span class="c"># =&gt; Array(Regex::MatchData)</span>
 <span class="k">typeof</span>(matches.<span class="k">select</span>(<span class="t">Regex</span><span class="t">::</span><span class="t">MatchData</span>)) <span class="c"># =&gt; Array(Regex::MatchData)</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/IsAFilter:
   Enabled: true
   FilterNames:
@@ -1035,7 +1028,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_filter.cr#L41" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_filter.cr#L41" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1059,7 +1052,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1073,7 +1066,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1087,7 +1080,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1101,7 +1094,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1115,7 +1108,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1129,7 +1122,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1143,7 +1136,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>filter_names</strong> : Array(String)
 
-        <a class="method-permalink" href="#filter_names:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3AArray%28String%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1157,7 +1150,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>filter_names=</strong>(filter_names : Array(String))
 
-        <a class="method-permalink" href="#filter_names=(filter_names:Array(String))-instance-method">#</a>
+        <a class="method-permalink" href="#filter_names%3D%28filter_names%3AArray%28String%29%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1171,7 +1164,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1185,7 +1178,7 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1199,13 +1192,13 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_filter.cr#L58" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_filter.cr#L58" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1215,13 +1208,13 @@ matches.one?(<span class="t">Nil</span>)              <span class="c"># =&gt; tr
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_filter.cr#L49" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_filter.cr#L49" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/IsANil.html b/Ameba/Rule/Style/IsANil.html
index 4737a6d2..23ffe70d 100644
--- a/Ameba/Rule/Style/IsANil.html
+++ b/Ameba/Rule/Style/IsANil.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,17 +645,11 @@
   </h2>
 
   <p>A rule that disallows calls to <code>is_a?(Nil)</code> in favor of <code>nil?</code>.</p>
-
 <p>This is considered bad:</p>
-
 <pre><code class="language-crystal">var.<span class="k">is_a?</span>(<span class="t">Nil</span>)</code></pre>
-
 <p>And needs to be written as:</p>
-
 <pre><code class="language-crystal">var.<span class="k">nil?</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/IsANil:
   Enabled: true</code></pre>
 
@@ -693,7 +692,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_nil.cr#L22" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_nil.cr#L22" target="_blank">
         ameba/rule/style/is_a_nil.cr
       </a>
     
@@ -739,12 +738,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows calls to <code>is_a?(Nil)</code> in favor of <code>nil?</code>.</p></div>
         
@@ -767,47 +766,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::IsA)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::IsA)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AIsA%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::IsA)</a>
         
       </li>
     
@@ -844,17 +843,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -874,12 +873,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -949,7 +948,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -963,23 +962,17 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows calls to <code>is_a?(Nil)</code> in favor of <code>nil?</code>.</p>
-
 <p>This is considered bad:</p>
-
 <pre><code class="language-crystal">var.<span class="k">is_a?</span>(<span class="t">Nil</span>)</code></pre>
-
 <p>And needs to be written as:</p>
-
 <pre><code class="language-crystal">var.<span class="k">nil?</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/IsANil:
   Enabled: true</code></pre>
         </div>
@@ -987,7 +980,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_nil.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_nil.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1011,7 +1004,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1025,7 +1018,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1039,7 +1032,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1053,7 +1046,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1067,7 +1060,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1081,7 +1074,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1095,7 +1088,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1109,7 +1102,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1123,13 +1116,13 @@
         
         def <strong>test</strong>(source, node : Crystal::IsA)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::IsA)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AIsA%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/is_a_nil.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/is_a_nil.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/LargeNumbers.html b/Ameba/Rule/Style/LargeNumbers.html
index 977cd110..d783dab3 100644
--- a/Ameba/Rule/Style/LargeNumbers.html
+++ b/Ameba/Rule/Style/LargeNumbers.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -642,21 +647,15 @@
   <p>A rule that disallows usage of large numbers without underscore.
 These do not affect the value of the number, but can help read
 large numbers more easily.</p>
-
 <p>For example, these are considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="n">10000</span>
 <span class="n">141592654</span>
 <span class="n">5.12345</span></code></pre>
-
 <p>And has to be rewritten as the following:</p>
-
 <pre><code class="language-crystal"><span class="n">10_000</span>
 <span class="n">141_592_654</span>
 <span class="n">5.123_45</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/LargeNumbers:
   Enabled: true
   IntMinDigits: 5 # i.e. integers higher than 9999</code></pre>
@@ -700,7 +699,7 @@ large numbers more easily.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/large_numbers.cr#L29" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/large_numbers.cr#L29" target="_blank">
         ameba/rule/style/large_numbers.cr
       </a>
     
@@ -741,12 +740,12 @@ large numbers more easily.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows usage of large numbers without underscore.</p></div>
         
@@ -769,57 +768,57 @@ large numbers more easily.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled:Bool)-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
+        <a href="#enabled%3D%28enabled%3ABool%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#int_min_digits:Int32-instance-method" class="signature"><strong>#int_min_digits</strong> : Int32</a>
+        <a href="#int_min_digits%3AInt32-instance-method" class="signature"><strong>#int_min_digits</strong> : Int32</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#int_min_digits=(int_min_digits:Int32)-instance-method" class="signature"><strong>#int_min_digits=</strong>(int_min_digits : Int32)</a>
+        <a href="#int_min_digits%3D%28int_min_digits%3AInt32%29-instance-method" class="signature"><strong>#int_min_digits=</strong>(int_min_digits : Int32)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source)-instance-method" class="signature"><strong>#test</strong>(source)</a>
+        <a href="#test%28source%29-instance-method" class="signature"><strong>#test</strong>(source)</a>
         
       </li>
     
@@ -856,17 +855,17 @@ large numbers more easily.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -886,12 +885,12 @@ large numbers more easily.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -961,7 +960,7 @@ large numbers more easily.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -975,7 +974,7 @@ large numbers more easily.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -983,21 +982,15 @@ large numbers more easily.</p>
           <p>A rule that disallows usage of large numbers without underscore.
 These do not affect the value of the number, but can help read
 large numbers more easily.</p>
-
 <p>For example, these are considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="n">10000</span>
 <span class="n">141592654</span>
 <span class="n">5.12345</span></code></pre>
-
 <p>And has to be rewritten as the following:</p>
-
 <pre><code class="language-crystal"><span class="n">10_000</span>
 <span class="n">141_592_654</span>
 <span class="n">5.123_45</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/LargeNumbers:
   Enabled: true
   IntMinDigits: 5 # i.e. integers higher than 9999</code></pre>
@@ -1006,7 +999,7 @@ large numbers more easily.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/large_numbers.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/large_numbers.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1030,7 +1023,7 @@ large numbers more easily.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1044,7 +1037,7 @@ large numbers more easily.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1058,7 +1051,7 @@ large numbers more easily.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1072,7 +1065,7 @@ large numbers more easily.</p>
         
         def <strong>enabled=</strong>(enabled : Bool)
 
-        <a class="method-permalink" href="#enabled=(enabled:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1086,7 +1079,7 @@ large numbers more easily.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1100,7 +1093,7 @@ large numbers more easily.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1114,7 +1107,7 @@ large numbers more easily.</p>
         
         def <strong>int_min_digits</strong> : Int32
 
-        <a class="method-permalink" href="#int_min_digits:Int32-instance-method">#</a>
+        <a class="method-permalink" href="#int_min_digits%3AInt32-instance-method">#</a>
       </div>
       
       <br/>
@@ -1128,7 +1121,7 @@ large numbers more easily.</p>
         
         def <strong>int_min_digits=</strong>(int_min_digits : Int32)
 
-        <a class="method-permalink" href="#int_min_digits=(int_min_digits:Int32)-instance-method">#</a>
+        <a class="method-permalink" href="#int_min_digits%3D%28int_min_digits%3AInt32%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1142,7 +1135,7 @@ large numbers more easily.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1156,7 +1149,7 @@ large numbers more easily.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1170,13 +1163,13 @@ large numbers more easily.</p>
         
         def <strong>test</strong>(source)
 
-        <a class="method-permalink" href="#test(source)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/large_numbers.cr#L38" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/large_numbers.cr#L38" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/MethodNames.html b/Ameba/Rule/Style/MethodNames.html
index 21c17955..eaac8cb7 100644
--- a/Ameba/Rule/Style/MethodNames.html
+++ b/Ameba/Rule/Style/MethodNames.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that enforces method names to be in underscored case.</p>
-
 <p>For example, these are considered valid:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">Person</span>
   <span class="k">def</span> <span class="m">first_name</span>
   <span class="k">end</span>
@@ -653,9 +656,7 @@
   <span class="k">def</span> <span class="m">homepage_url</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>And these are invalid method names:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">Person</span>
   <span class="k">def</span> <span class="m">firstName</span>
   <span class="k">end</span>
@@ -666,9 +667,7 @@
   <span class="k">def</span> <span class="m">homepageURL</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/MethodNames:
   Enabled: true</code></pre>
 
@@ -711,7 +710,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/method_names.cr#L40" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/method_names.cr#L40" target="_blank">
         ameba/rule/style/method_names.cr
       </a>
     
@@ -752,12 +751,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that enforces method names to be in underscored case.</p></div>
         
@@ -780,47 +779,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Def)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
         
       </li>
     
@@ -857,17 +856,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -887,12 +886,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -962,7 +961,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -976,15 +975,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that enforces method names to be in underscored case.</p>
-
 <p>For example, these are considered valid:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">Person</span>
   <span class="k">def</span> <span class="m">first_name</span>
   <span class="k">end</span>
@@ -995,9 +992,7 @@
   <span class="k">def</span> <span class="m">homepage_url</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>And these are invalid method names:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">Person</span>
   <span class="k">def</span> <span class="m">firstName</span>
   <span class="k">end</span>
@@ -1008,9 +1003,7 @@
   <span class="k">def</span> <span class="m">homepageURL</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/MethodNames:
   Enabled: true</code></pre>
         </div>
@@ -1018,7 +1011,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/method_names.cr#L40" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/method_names.cr#L40" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1042,7 +1035,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1056,7 +1049,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1070,7 +1063,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1084,7 +1077,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1098,7 +1091,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1112,7 +1105,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1126,7 +1119,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1140,7 +1133,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1154,13 +1147,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Def)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Def)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/method_names.cr#L47" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/method_names.cr#L47" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/NegatedConditionsInUnless.html b/Ameba/Rule/Style/NegatedConditionsInUnless.html
index 12e2360f..b2354759 100644
--- a/Ameba/Rule/Style/NegatedConditionsInUnless.html
+++ b/Ameba/Rule/Style/NegatedConditionsInUnless.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,24 +645,17 @@
   </h2>
 
   <p>A rule that disallows negated conditions in unless.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">unless</span> <span class="o">!</span>s.empty?
   <span class="n">:ok</span>
 <span class="k">end</span></code></pre>
-
 <p>And should be rewritten to the following:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> s.emtpy?
   <span class="n">:ok</span>
 <span class="k">end</span></code></pre>
-
 <p>It is pretty difficult to wrap your head around a block of code
 that is executed if a negated condition is NOT met.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/NegatedConditionsInUnless:
   Enabled: true</code></pre>
 
@@ -700,7 +698,7 @@ that is executed if a negated condition is NOT met.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/negated_conditions_in_unless.cr#L29" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/negated_conditions_in_unless.cr#L29" target="_blank">
         ameba/rule/style/negated_conditions_in_unless.cr
       </a>
     
@@ -741,12 +739,12 @@ that is executed if a negated condition is NOT met.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows negated conditions in unless.</p></div>
         
@@ -769,47 +767,47 @@ that is executed if a negated condition is NOT met.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Unless)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Unless)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AUnless%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Unless)</a>
         
       </li>
     
@@ -846,17 +844,17 @@ that is executed if a negated condition is NOT met.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -876,12 +874,12 @@ that is executed if a negated condition is NOT met.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -951,7 +949,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -965,30 +963,23 @@ that is executed if a negated condition is NOT met.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows negated conditions in unless.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">unless</span> <span class="o">!</span>s.empty?
   <span class="n">:ok</span>
 <span class="k">end</span></code></pre>
-
 <p>And should be rewritten to the following:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> s.emtpy?
   <span class="n">:ok</span>
 <span class="k">end</span></code></pre>
-
 <p>It is pretty difficult to wrap your head around a block of code
 that is executed if a negated condition is NOT met.</p>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/NegatedConditionsInUnless:
   Enabled: true</code></pre>
         </div>
@@ -996,7 +987,7 @@ that is executed if a negated condition is NOT met.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/negated_conditions_in_unless.cr#L29" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/negated_conditions_in_unless.cr#L29" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1020,7 +1011,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1034,7 +1025,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1048,7 +1039,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1062,7 +1053,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1076,7 +1067,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1090,7 +1081,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1104,7 +1095,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,7 +1109,7 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1132,13 +1123,13 @@ that is executed if a negated condition is NOT met.</p>
         
         def <strong>test</strong>(source, node : Crystal::Unless)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Unless)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AUnless%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/negated_conditions_in_unless.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/negated_conditions_in_unless.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/PredicateName.html b/Ameba/Rule/Style/PredicateName.html
index 22a71545..0e0d296e 100644
--- a/Ameba/Rule/Style/PredicateName.html
+++ b/Ameba/Rule/Style/PredicateName.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,25 +646,19 @@
 
   <p>A rule that disallows tautological predicate names, meaning those that
 start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores if the alternative isn't valid Crystal code (e.g. <code>is_404?</code>).</p>
-
 <p>Favour these:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">valid?</span>(x)
 <span class="k">end</span>
 
 <span class="k">def</span> <span class="m">picture?</span>(x)
 <span class="k">end</span></code></pre>
-
 <p>Over these:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">is_valid?</span>(x)
 <span class="k">end</span>
 
 <span class="k">def</span> <span class="m">has_picture?</span>(x)
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/PredicateName:
   Enabled: true</code></pre>
 
@@ -702,7 +701,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/predicate_name.cr#L31" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/predicate_name.cr#L31" target="_blank">
         ameba/rule/style/predicate_name.cr
       </a>
     
@@ -743,12 +742,12 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows tautological predicate names, meaning those that start with the prefix <code>has_</code> or the prefix <code>is_</code>.</p></div>
         
@@ -771,47 +770,47 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled:Bool)-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
+        <a href="#enabled%3D%28enabled%3ABool%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Def)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
         
       </li>
     
@@ -848,17 +847,17 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -878,12 +877,12 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -953,7 +952,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -967,32 +966,26 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows tautological predicate names, meaning those that
 start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores if the alternative isn't valid Crystal code (e.g. <code>is_404?</code>).</p>
-
 <p>Favour these:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">valid?</span>(x)
 <span class="k">end</span>
 
 <span class="k">def</span> <span class="m">picture?</span>(x)
 <span class="k">end</span></code></pre>
-
 <p>Over these:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">is_valid?</span>(x)
 <span class="k">end</span>
 
 <span class="k">def</span> <span class="m">has_picture?</span>(x)
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/PredicateName:
   Enabled: true</code></pre>
         </div>
@@ -1000,7 +993,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/predicate_name.cr#L31" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/predicate_name.cr#L31" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1024,7 +1017,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1038,7 +1031,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1052,7 +1045,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1066,7 +1059,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>enabled=</strong>(enabled : Bool)
 
-        <a class="method-permalink" href="#enabled=(enabled:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1080,7 +1073,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1094,7 +1087,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1108,7 +1101,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1122,7 +1115,7 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1136,13 +1129,13 @@ start with the prefix <code>has_</code> or the prefix <code>is_</code>. Ignores
         
         def <strong>test</strong>(source, node : Crystal::Def)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Def)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/predicate_name.cr#L39" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/predicate_name.cr#L39" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/RedundantBegin.html b/Ameba/Rule/Style/RedundantBegin.html
index 48ea51f5..ec782b75 100644
--- a/Ameba/Rule/Style/RedundantBegin.html
+++ b/Ameba/Rule/Style/RedundantBegin.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,13 +645,11 @@
   </h2>
 
   <p>A rule that disallows redundant begin blocks.</p>
-
 <p>Currently it is able to detect:</p>
-
-<ol><li>Exception handler block that can be used as a part of the method.</li></ol>
-
+<ol>
+<li>Exception handler block that can be used as a part of the method.</li>
+</ol>
 <p>For example, this:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   <span class="k">begin</span>
     read_content
@@ -654,35 +657,28 @@
     close_file
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>should be rewritten as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   read_content
 <span class="k">rescue</span>
   close_file
 <span class="k">end</span></code></pre>
-
-<ol><li>begin..end block as a top level block in a method.</li></ol>
-
+<ol start="2">
+<li>begin..end block as a top level block in a method.</li>
+</ol>
 <p>For example this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   <span class="k">begin</span>
     a <span class="o">=</span> <span class="n">1</span>
     b <span class="o">=</span> <span class="n">2</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>and has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   a <span class="o">=</span> <span class="n">1</span>
   b <span class="o">=</span> <span class="n">2</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/RedundantBegin:
   Enabled: true</code></pre>
 
@@ -727,7 +723,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_begin.cr#L58" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_begin.cr#L58" target="_blank">
         ameba/rule/style/redundant_begin.cr
       </a>
     
@@ -768,12 +764,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows redundant begin blocks.</p></div>
         
@@ -796,47 +792,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Def)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
         
       </li>
     
@@ -853,44 +849,49 @@
   <h3>Instance methods inherited from module <code><a href="../../../Ameba/AST/Util.html">Ameba::AST::Util</a></code></h3>
   
   
-    <a href="../../../Ameba/AST/Util.html#abort?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#abort%3F%28node%29-instance-method" class="tooltip">
       <span>abort?(node)</span>
     abort?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#exit?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#exit%3F%28node%29-instance-method" class="tooltip">
       <span>exit?(node)</span>
     exit?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_command?(node,in_loop)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_command%3F%28node%2Cin_loop%29-instance-method" class="tooltip">
       <span>flow_command?(node, in_loop)</span>
     flow_command?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#flow_expression?(node,in_loop=false)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#flow_expression%3F%28node%2Cin_loop%3Dfalse%29-instance-method" class="tooltip">
       <span>flow_expression?(node, in_loop = <span class="n">false</span>)</span>
     flow_expression?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#literal?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#literal%3F%28node%29-instance-method" class="tooltip">
       <span>literal?(node)</span>
     literal?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#loop?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#loop%3F%28node%29-instance-method" class="tooltip">
       <span>loop?(node)</span>
     loop?</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#node_source(node,code_lines)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#node_source%28node%2Ccode_lines%29-instance-method" class="tooltip">
       <span>node_source(node, code_lines)</span>
     node_source</a>, 
     
   
-    <a href="../../../Ameba/AST/Util.html#raise?(node)-instance-method" class="tooltip">
+    <a href="../../../Ameba/AST/Util.html#raise%3F%28node%29-instance-method" class="tooltip">
       <span>raise?(node)</span>
-    raise?</a>
+    raise?</a>, 
+    
+  
+    <a href="../../../Ameba/AST/Util.html#source_between%28loc%2Cend_loc%2Ccode_lines%29%3AString%3F-instance-method" class="tooltip">
+      <span>source_between(loc, end_loc, code_lines) : String?</span>
+    source_between</a>
     
   
 
@@ -927,17 +928,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -957,12 +958,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1032,7 +1033,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1046,19 +1047,17 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows redundant begin blocks.</p>
-
 <p>Currently it is able to detect:</p>
-
-<ol><li>Exception handler block that can be used as a part of the method.</li></ol>
-
+<ol>
+<li>Exception handler block that can be used as a part of the method.</li>
+</ol>
 <p>For example, this:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   <span class="k">begin</span>
     read_content
@@ -1066,35 +1065,28 @@
     close_file
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>should be rewritten as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   read_content
 <span class="k">rescue</span>
   close_file
 <span class="k">end</span></code></pre>
-
-<ol><li>begin..end block as a top level block in a method.</li></ol>
-
+<ol start="2">
+<li>begin..end block as a top level block in a method.</li>
+</ol>
 <p>For example this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   <span class="k">begin</span>
     a <span class="o">=</span> <span class="n">1</span>
     b <span class="o">=</span> <span class="n">2</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>and has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   a <span class="o">=</span> <span class="n">1</span>
   b <span class="o">=</span> <span class="n">2</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/RedundantBegin:
   Enabled: true</code></pre>
         </div>
@@ -1102,7 +1094,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_begin.cr#L58" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_begin.cr#L58" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1126,7 +1118,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1140,7 +1132,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1154,7 +1146,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1168,7 +1160,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1182,7 +1174,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1196,7 +1188,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1210,7 +1202,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1224,7 +1216,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1238,13 +1230,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Def)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Def)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_begin.cr#L67" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_begin.cr#L67" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/RedundantNext.html b/Ameba/Rule/Style/RedundantNext.html
index 4891c2c6..de10259a 100644
--- a/Ameba/Rule/Style/RedundantNext.html
+++ b/Ameba/Rule/Style/RedundantNext.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -643,13 +648,10 @@
 a block to skip to the next iteration early, however, it is considered
 redundant in cases where it is the last expression in a block or combines
 into the node which is the last in a block.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   <span class="k">next</span> v <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   <span class="k">case</span> v
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -660,13 +662,10 @@ into the node which is the last in a block.</p>
     <span class="k">next</span> <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   v <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   <span class="k">case</span> arg
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -677,51 +676,42 @@ into the node which is the last in a block.</p>
     <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="configuration-params" class="anchor" href="#configuration-params">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Configuration params</h3>
-
-<ol><li><em>allow_multi_next</em>, default: true</li></ol>
-
+<ol>
+<li><em>allow_multi_next</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the next statements
 which yield tuple literals i.e.</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   <span class="k">next</span> a, b
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the block above will be forced to be written as:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   {a, b}
 <span class="k">end</span></code></pre>
-
-<ol><li><em>allow_empty_next</em>, default: true</li></ol>
-
+<ol start="2">
+<li><em>allow_empty_next</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the next statements
 without arguments. Sometimes such statements are used to yild the <code>nil</code> value explicitly.</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="k">next</span>
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the block above will be forced to be written as:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="n">nil</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="yaml-config-example" class="anchor" href="#yaml-config-example">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>YAML config example</h3>
-
 <pre><code class="language-crystal">Style/RedundantNext:
   Enabled: true
   AllowMultiNext: true
@@ -766,7 +756,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_next.cr#L99" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_next.cr#L99" target="_blank">
         ameba/rule/style/redundant_next.cr
       </a>
     
@@ -807,12 +797,12 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows redundant next expressions.</p></div>
         
@@ -835,72 +825,72 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#allow_empty_next:Bool-instance-method" class="signature"><strong>#allow_empty_next</strong> : Bool</a>
+        <a href="#allow_empty_next%3ABool-instance-method" class="signature"><strong>#allow_empty_next</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#allow_empty_next=(allow_empty_next:Bool)-instance-method" class="signature"><strong>#allow_empty_next=</strong>(allow_empty_next : Bool)</a>
+        <a href="#allow_empty_next%3D%28allow_empty_next%3ABool%29-instance-method" class="signature"><strong>#allow_empty_next=</strong>(allow_empty_next : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#allow_multi_next:Bool-instance-method" class="signature"><strong>#allow_multi_next</strong> : Bool</a>
+        <a href="#allow_multi_next%3ABool-instance-method" class="signature"><strong>#allow_multi_next</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#allow_multi_next=(allow_multi_next:Bool)-instance-method" class="signature"><strong>#allow_multi_next=</strong>(allow_multi_next : Bool)</a>
+        <a href="#allow_multi_next%3D%28allow_multi_next%3ABool%29-instance-method" class="signature"><strong>#allow_multi_next=</strong>(allow_multi_next : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Next,visitor:AST::RedundantControlExpressionVisitor)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Next, visitor : AST::RedundantControlExpressionVisitor)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ANext%2Cvisitor%3AAST%3A%3ARedundantControlExpressionVisitor%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Next, visitor : AST::RedundantControlExpressionVisitor)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Block)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Block)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ABlock%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Block)</a>
         
       </li>
     
@@ -937,17 +927,17 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -967,12 +957,12 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1042,7 +1032,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1056,7 +1046,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
@@ -1065,13 +1055,10 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
 a block to skip to the next iteration early, however, it is considered
 redundant in cases where it is the last expression in a block or combines
 into the node which is the last in a block.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   <span class="k">next</span> v <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   <span class="k">case</span> v
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -1082,13 +1069,10 @@ into the node which is the last in a block.</p>
     <span class="k">next</span> <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   v <span class="o">+</span> <span class="n">1</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal">block <span class="k">do</span> <span class="o">|</span>v<span class="o">|</span>
   <span class="k">case</span> arg
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -1099,51 +1083,42 @@ into the node which is the last in a block.</p>
     <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="configuration-params" class="anchor" href="#configuration-params">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Configuration params</h3>
-
-<ol><li><em>allow_multi_next</em>, default: true</li></ol>
-
+<ol>
+<li><em>allow_multi_next</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the next statements
 which yield tuple literals i.e.</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   <span class="k">next</span> a, b
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the block above will be forced to be written as:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   {a, b}
 <span class="k">end</span></code></pre>
-
-<ol><li><em>allow_empty_next</em>, default: true</li></ol>
-
+<ol start="2">
+<li><em>allow_empty_next</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the next statements
 without arguments. Sometimes such statements are used to yild the <code>nil</code> value explicitly.</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="k">next</span>
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the block above will be forced to be written as:</p>
-
 <pre><code class="language-crystal">block <span class="k">do</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="n">nil</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="yaml-config-example" class="anchor" href="#yaml-config-example">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>YAML config example</h3>
-
 <pre><code class="language-crystal">Style/RedundantNext:
   Enabled: true
   AllowMultiNext: true
@@ -1153,7 +1128,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_next.cr#L99" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_next.cr#L99" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1177,7 +1152,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>allow_empty_next</strong> : Bool
 
-        <a class="method-permalink" href="#allow_empty_next:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#allow_empty_next%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1191,7 +1166,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>allow_empty_next=</strong>(allow_empty_next : Bool)
 
-        <a class="method-permalink" href="#allow_empty_next=(allow_empty_next:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#allow_empty_next%3D%28allow_empty_next%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1205,7 +1180,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>allow_multi_next</strong> : Bool
 
-        <a class="method-permalink" href="#allow_multi_next:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#allow_multi_next%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1219,7 +1194,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>allow_multi_next=</strong>(allow_multi_next : Bool)
 
-        <a class="method-permalink" href="#allow_multi_next=(allow_multi_next:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#allow_multi_next%3D%28allow_multi_next%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1233,7 +1208,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1247,7 +1222,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1261,7 +1236,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1275,7 +1250,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1289,7 +1264,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1303,7 +1278,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1317,7 +1292,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1331,7 +1306,7 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1345,13 +1320,13 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>test</strong>(source, node : Crystal::Next, visitor : <a href="../../../Ameba/AST/RedundantControlExpressionVisitor.html">AST::RedundantControlExpressionVisitor</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Next,visitor:AST::RedundantControlExpressionVisitor)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ANext%2Cvisitor%3AAST%3A%3ARedundantControlExpressionVisitor%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_next.cr#L113" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_next.cr#L113" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1361,13 +1336,13 @@ without arguments. Sometimes such statements are used to yild the <code>nil</cod
         
         def <strong>test</strong>(source, node : Crystal::Block)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Block)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ABlock%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_next.cr#L109" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_next.cr#L109" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/RedundantReturn.html b/Ameba/Rule/Style/RedundantReturn.html
index af137a50..cf9ebcb3 100644
--- a/Ameba/Rule/Style/RedundantReturn.html
+++ b/Ameba/Rule/Style/RedundantReturn.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,13 +645,10 @@
   </h2>
 
   <p>A rule that disallows redundant return expressions.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">foo</span>
   <span class="k">return</span> <span class="n">:bar</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">bar</span>(arg)
   <span class="k">case</span> arg
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -657,13 +659,10 @@
     <span class="k">return</span> <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">foo</span>
   <span class="n">:bar</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">bar</span>(arg)
   <span class="k">case</span> arg
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -674,51 +673,42 @@
     <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="configuration-params" class="anchor" href="#configuration-params">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Configuration params</h3>
-
-<ol><li><em>allow_multi_return</em>, default: true</li></ol>
-
+<ol>
+<li><em>allow_multi_return</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the return statements
 which return tuple literals i.e.</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b)
   <span class="k">return</span> a, b
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the method above has to be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b)
   {a, b}
 <span class="k">end</span></code></pre>
-
-<ol><li><em>allow_empty_return</em>, default: true</li></ol>
-
+<ol start="2">
+<li><em>allow_empty_return</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the return statements
 without arguments. Sometimes such returns are used to return the <code>nil</code> value explicitly.</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="k">return</span>
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the method above has to be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="n">nil</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="yaml-config-example" class="anchor" href="#yaml-config-example">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>YAML config example</h3>
-
 <pre><code class="language-crystal">Style/RedundantReturn:
   Enabled: true
   AllowMutliReturn: true
@@ -763,7 +753,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_return.cr#L96" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_return.cr#L96" target="_blank">
         ameba/rule/style/redundant_return.cr
       </a>
     
@@ -804,12 +794,12 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows redundant return expressions.</p></div>
         
@@ -832,72 +822,72 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#allow_empty_return:Bool-instance-method" class="signature"><strong>#allow_empty_return</strong> : Bool</a>
+        <a href="#allow_empty_return%3ABool-instance-method" class="signature"><strong>#allow_empty_return</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#allow_empty_return=(allow_empty_return:Bool)-instance-method" class="signature"><strong>#allow_empty_return=</strong>(allow_empty_return : Bool)</a>
+        <a href="#allow_empty_return%3D%28allow_empty_return%3ABool%29-instance-method" class="signature"><strong>#allow_empty_return=</strong>(allow_empty_return : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#allow_multi_return:Bool-instance-method" class="signature"><strong>#allow_multi_return</strong> : Bool</a>
+        <a href="#allow_multi_return%3ABool-instance-method" class="signature"><strong>#allow_multi_return</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#allow_multi_return=(allow_multi_return:Bool)-instance-method" class="signature"><strong>#allow_multi_return=</strong>(allow_multi_return : Bool)</a>
+        <a href="#allow_multi_return%3D%28allow_multi_return%3ABool%29-instance-method" class="signature"><strong>#allow_multi_return=</strong>(allow_multi_return : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Return,visitor:AST::RedundantControlExpressionVisitor)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Return, visitor : AST::RedundantControlExpressionVisitor)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AReturn%2Cvisitor%3AAST%3A%3ARedundantControlExpressionVisitor%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Return, visitor : AST::RedundantControlExpressionVisitor)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Def)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Def)</a>
         
       </li>
     
@@ -934,17 +924,17 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -964,12 +954,12 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1039,7 +1029,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1053,19 +1043,16 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows redundant return expressions.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">foo</span>
   <span class="k">return</span> <span class="n">:bar</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">bar</span>(arg)
   <span class="k">case</span> arg
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -1076,13 +1063,10 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
     <span class="k">return</span> <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <p>And has to be written as the following:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">foo</span>
   <span class="n">:bar</span>
 <span class="k">end</span></code></pre>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">bar</span>(arg)
   <span class="k">case</span> arg
   <span class="k">when</span> .<span class="k">nil?</span>
@@ -1093,51 +1077,42 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
     <span class="s">&quot;empty&quot;</span>
   <span class="k">end</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="configuration-params" class="anchor" href="#configuration-params">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Configuration params</h3>
-
-<ol><li><em>allow_multi_return</em>, default: true</li></ol>
-
+<ol>
+<li><em>allow_multi_return</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the return statements
 which return tuple literals i.e.</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b)
   <span class="k">return</span> a, b
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the method above has to be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>(a, b)
   {a, b}
 <span class="k">end</span></code></pre>
-
-<ol><li><em>allow_empty_return</em>, default: true</li></ol>
-
+<ol start="2">
+<li><em>allow_empty_return</em>, default: true</li>
+</ol>
 <p>Allows end-user to configure whether to report or not the return statements
 without arguments. Sometimes such returns are used to return the <code>nil</code> value explicitly.</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="k">return</span>
 <span class="k">end</span></code></pre>
-
 <p>If this param equals to <code>false</code>, the method above has to be written as:</p>
-
 <pre><code class="language-crystal"><span class="k">def</span> <span class="m">method</span>
   @foo <span class="o">=</span> <span class="n">:empty</span>
   <span class="n">nil</span>
 <span class="k">end</span></code></pre>
-
 <h3><a id="yaml-config-example" class="anchor" href="#yaml-config-example">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>YAML config example</h3>
-
 <pre><code class="language-crystal">Style/RedundantReturn:
   Enabled: true
   AllowMutliReturn: true
@@ -1147,7 +1122,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_return.cr#L96" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_return.cr#L96" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1171,7 +1146,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>allow_empty_return</strong> : Bool
 
-        <a class="method-permalink" href="#allow_empty_return:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#allow_empty_return%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1185,7 +1160,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>allow_empty_return=</strong>(allow_empty_return : Bool)
 
-        <a class="method-permalink" href="#allow_empty_return=(allow_empty_return:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#allow_empty_return%3D%28allow_empty_return%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1199,7 +1174,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>allow_multi_return</strong> : Bool
 
-        <a class="method-permalink" href="#allow_multi_return:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#allow_multi_return%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1213,7 +1188,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>allow_multi_return=</strong>(allow_multi_return : Bool)
 
-        <a class="method-permalink" href="#allow_multi_return=(allow_multi_return:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#allow_multi_return%3D%28allow_multi_return%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1227,7 +1202,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1241,7 +1216,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1255,7 +1230,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1269,7 +1244,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1283,7 +1258,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1297,7 +1272,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1311,7 +1286,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1325,7 +1300,7 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1339,13 +1314,13 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>test</strong>(source, node : Crystal::Return, visitor : <a href="../../../Ameba/AST/RedundantControlExpressionVisitor.html">AST::RedundantControlExpressionVisitor</a>)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Return,visitor:AST::RedundantControlExpressionVisitor)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AReturn%2Cvisitor%3AAST%3A%3ARedundantControlExpressionVisitor%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_return.cr#L110" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_return.cr#L110" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1355,13 +1330,13 @@ without arguments. Sometimes such returns are used to return the <code>nil</code
         
         def <strong>test</strong>(source, node : Crystal::Def)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Def)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ADef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/redundant_return.cr#L106" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/redundant_return.cr#L106" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/TypeNames.html b/Ameba/Rule/Style/TypeNames.html
index 15d0ab20..0fe40c70 100644
--- a/Ameba/Rule/Style/TypeNames.html
+++ b/Ameba/Rule/Style/TypeNames.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that enforces type names in camelcase manner.</p>
-
 <p>For example, these are considered valid:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">ParseError</span> <span class="o">&lt;</span> <span class="t">Exception</span>
 <span class="k">end</span>
 
@@ -661,9 +664,7 @@
 
 <span class="k">enum</span> <span class="t">Time</span><span class="t">::</span><span class="t">DayOfWeek</span>
 <span class="k">end</span></code></pre>
-
 <p>And these are invalid type names</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">My_class</span>
 <span class="k">end</span>
 
@@ -680,9 +681,7 @@
 
 <span class="k">enum</span> <span class="t">Time_enum</span><span class="t">::</span><span class="t">Day_of_week</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/TypeNames:
   Enabled: true</code></pre>
 
@@ -725,7 +724,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L54" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L54" target="_blank">
         ameba/rule/style/type_names.cr
       </a>
     
@@ -766,12 +765,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that enforces type names in camelcase manner.</p></div>
         
@@ -794,67 +793,67 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ClassDef)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ClassDef)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AClassDef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ClassDef)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Alias)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Alias)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AAlias%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Alias)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::LibDef)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::LibDef)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ALibDef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::LibDef)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::EnumDef)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::EnumDef)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AEnumDef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::EnumDef)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ModuleDef)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ModuleDef)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AModuleDef%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ModuleDef)</a>
         
       </li>
     
@@ -891,17 +890,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -921,12 +920,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -996,7 +995,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1010,15 +1009,13 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that enforces type names in camelcase manner.</p>
-
 <p>For example, these are considered valid:</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">ParseError</span> <span class="o">&lt;</span> <span class="t">Exception</span>
 <span class="k">end</span>
 
@@ -1037,9 +1034,7 @@
 
 <span class="k">enum</span> <span class="t">Time</span><span class="t">::</span><span class="t">DayOfWeek</span>
 <span class="k">end</span></code></pre>
-
 <p>And these are invalid type names</p>
-
 <pre><code class="language-crystal"><span class="k">class</span> <span class="t">My_class</span>
 <span class="k">end</span>
 
@@ -1056,9 +1051,7 @@
 
 <span class="k">enum</span> <span class="t">Time_enum</span><span class="t">::</span><span class="t">Day_of_week</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/TypeNames:
   Enabled: true</code></pre>
         </div>
@@ -1066,7 +1059,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L54" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L54" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1090,7 +1083,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1104,7 +1097,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,7 +1111,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1132,7 +1125,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1146,7 +1139,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1160,7 +1153,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1174,7 +1167,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1188,7 +1181,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1202,13 +1195,13 @@
         
         def <strong>test</strong>(source, node : Crystal::ClassDef)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ClassDef)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AClassDef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L69" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L69" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1218,13 +1211,13 @@
         
         def <strong>test</strong>(source, node : Crystal::Alias)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Alias)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AAlias%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L73" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L73" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1234,13 +1227,13 @@
         
         def <strong>test</strong>(source, node : Crystal::LibDef)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::LibDef)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ALibDef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L77" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L77" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1250,13 +1243,13 @@
         
         def <strong>test</strong>(source, node : Crystal::EnumDef)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::EnumDef)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AEnumDef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L81" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L81" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1266,13 +1259,13 @@
         
         def <strong>test</strong>(source, node : Crystal::ModuleDef)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ModuleDef)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AModuleDef%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/type_names.cr#L85" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/type_names.cr#L85" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/UnlessElse.html b/Ameba/Rule/Style/UnlessElse.html
index 04e88127..db620562 100644
--- a/Ameba/Rule/Style/UnlessElse.html
+++ b/Ameba/Rule/Style/UnlessElse.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,9 +645,7 @@
   </h2>
 
   <p>A rule that disallows the use of an <code>else</code> block with the <code>unless</code>.</p>
-
 <p>For example, the rule considers these valid:</p>
-
 <pre><code class="language-crystal"><span class="k">unless</span> something
   <span class="n">:ok</span>
 <span class="k">end</span>
@@ -652,26 +655,20 @@
 <span class="k">else</span>
   <span class="n">:two</span>
 <span class="k">end</span></code></pre>
-
 <p>But it considers this one invalid as it is an <code>unless</code> with an <code>else</code>:</p>
-
 <pre><code class="language-crystal"><span class="k">unless</span> something
   <span class="n">:one</span>
 <span class="k">else</span>
   <span class="n">:two</span>
 <span class="k">end</span></code></pre>
-
 <p>The solution is to swap the order of the blocks, and change the <code>unless</code> to
 an <code>if</code>, so the previous invalid example would become this:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> something
   <span class="n">:two</span>
 <span class="k">else</span>
   <span class="n">:one</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/UnlessElse:
   Enabled: true</code></pre>
 
@@ -714,7 +711,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/unless_else.cr#L45" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/unless_else.cr#L45" target="_blank">
         ameba/rule/style/unless_else.cr
       </a>
     
@@ -755,12 +752,12 @@ an <code>if</code>, so the previous invalid example would become this:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows the use of an <code>else</code> block with the <code>unless</code>.</p></div>
         
@@ -783,47 +780,47 @@ an <code>if</code>, so the previous invalid example would become this:</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Unless)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Unless)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AUnless%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Unless)</a>
         
       </li>
     
@@ -860,17 +857,17 @@ an <code>if</code>, so the previous invalid example would become this:</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -890,12 +887,12 @@ an <code>if</code>, so the previous invalid example would become this:</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -965,7 +962,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -979,15 +976,13 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows the use of an <code>else</code> block with the <code>unless</code>.</p>
-
 <p>For example, the rule considers these valid:</p>
-
 <pre><code class="language-crystal"><span class="k">unless</span> something
   <span class="n">:ok</span>
 <span class="k">end</span>
@@ -997,26 +992,20 @@ an <code>if</code>, so the previous invalid example would become this:</p>
 <span class="k">else</span>
   <span class="n">:two</span>
 <span class="k">end</span></code></pre>
-
 <p>But it considers this one invalid as it is an <code>unless</code> with an <code>else</code>:</p>
-
 <pre><code class="language-crystal"><span class="k">unless</span> something
   <span class="n">:one</span>
 <span class="k">else</span>
   <span class="n">:two</span>
 <span class="k">end</span></code></pre>
-
 <p>The solution is to swap the order of the blocks, and change the <code>unless</code> to
 an <code>if</code>, so the previous invalid example would become this:</p>
-
 <pre><code class="language-crystal"><span class="k">if</span> something
   <span class="n">:two</span>
 <span class="k">else</span>
   <span class="n">:one</span>
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/UnlessElse:
   Enabled: true</code></pre>
         </div>
@@ -1024,7 +1013,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/unless_else.cr#L45" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/unless_else.cr#L45" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1048,7 +1037,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1062,7 +1051,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1076,7 +1065,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1090,7 +1079,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1104,7 +1093,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1118,7 +1107,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1132,7 +1121,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1146,7 +1135,7 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1160,13 +1149,13 @@ an <code>if</code>, so the previous invalid example would become this:</p>
         
         def <strong>test</strong>(source, node : Crystal::Unless)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Unless)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AUnless%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/unless_else.cr#L52" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/unless_else.cr#L52" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/VariableNames.html b/Ameba/Rule/Style/VariableNames.html
index 56dd9158..c0b9cda3 100644
--- a/Ameba/Rule/Style/VariableNames.html
+++ b/Ameba/Rule/Style/VariableNames.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,20 +645,14 @@
   </h2>
 
   <p>A rule that enforces variable names to be in underscored case.</p>
-
 <p>For example, these variable names are considered valid:</p>
-
 <pre><code class="language-crystal">var_name <span class="o">=</span> <span class="n">1</span>
 name <span class="o">=</span> <span class="n">2</span>
 _another_good_name <span class="o">=</span> <span class="n">3</span></code></pre>
-
 <p>And these are invalid variable names:</p>
-
 <pre><code class="language-crystal">myBadNamedVar <span class="o">=</span> <span class="n">1</span>
 wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/VariableNames:
   Enabled: true</code></pre>
 
@@ -696,7 +695,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/variable_names.cr#L25" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/variable_names.cr#L25" target="_blank">
         ameba/rule/style/variable_names.cr
       </a>
     
@@ -737,12 +736,12 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that enforces variable names to be in underscored case.</p></div>
         
@@ -765,57 +764,57 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Var)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Var)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AVar%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Var)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::InstanceVar)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::InstanceVar)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AInstanceVar%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::InstanceVar)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::ClassVar)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ClassVar)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AClassVar%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::ClassVar)</a>
         
       </li>
     
@@ -852,17 +851,17 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -882,12 +881,12 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -957,7 +956,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -971,26 +970,20 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that enforces variable names to be in underscored case.</p>
-
 <p>For example, these variable names are considered valid:</p>
-
 <pre><code class="language-crystal">var_name <span class="o">=</span> <span class="n">1</span>
 name <span class="o">=</span> <span class="n">2</span>
 _another_good_name <span class="o">=</span> <span class="n">3</span></code></pre>
-
 <p>And these are invalid variable names:</p>
-
 <pre><code class="language-crystal">myBadNamedVar <span class="o">=</span> <span class="n">1</span>
 wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/VariableNames:
   Enabled: true</code></pre>
         </div>
@@ -998,7 +991,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/variable_names.cr#L25" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/variable_names.cr#L25" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1022,7 +1015,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1036,7 +1029,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1050,7 +1043,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1064,7 +1057,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1078,7 +1071,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1092,7 +1085,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1106,7 +1099,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1120,7 +1113,7 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1134,13 +1127,13 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>test</strong>(source, node : Crystal::Var)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Var)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AVar%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/variable_names.cr#L38" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/variable_names.cr#L38" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1150,13 +1143,13 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>test</strong>(source, node : Crystal::InstanceVar)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::InstanceVar)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AInstanceVar%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/variable_names.cr#L42" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/variable_names.cr#L42" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1166,13 +1159,13 @@ wrong_Name <span class="o">=</span> <span class="n">2</span></code></pre>
         
         def <strong>test</strong>(source, node : Crystal::ClassVar)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::ClassVar)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AClassVar%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/variable_names.cr#L46" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/variable_names.cr#L46" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/VerboseBlock.html b/Ameba/Rule/Style/VerboseBlock.html
index dad730a2..ae996501 100644
--- a/Ameba/Rule/Style/VerboseBlock.html
+++ b/Ameba/Rule/Style/VerboseBlock.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -641,17 +646,11 @@
 
   <p>This rule is used to identify usage of single expression blocks with
 argument as a receiver, that can be collapsed into a short form.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).any? { <span class="o">|</span>i<span class="o">|</span> i.odd? }</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).any?(<span class="o">&amp;</span>.odd?)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/VerboseBlock:
   Enabled: true
   ExcludeMultipleLineBlocks: true
@@ -701,7 +700,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/verbose_block.cr#L30" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/verbose_block.cr#L30" target="_blank">
         ameba/rule/style/verbose_block.cr
       </a>
     
@@ -747,12 +746,12 @@ argument as a receiver, that can be collapsed into a short form.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>This rule is used to identify usage of single expression blocks with argument as a receiver, that can be collapsed into a short form.</p></div>
         
@@ -775,117 +774,117 @@ argument as a receiver, that can be collapsed into a short form.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_calls_with_block:Bool-instance-method" class="signature"><strong>#exclude_calls_with_block</strong> : Bool</a>
+        <a href="#exclude_calls_with_block%3ABool-instance-method" class="signature"><strong>#exclude_calls_with_block</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_calls_with_block=(exclude_calls_with_block:Bool)-instance-method" class="signature"><strong>#exclude_calls_with_block=</strong>(exclude_calls_with_block : Bool)</a>
+        <a href="#exclude_calls_with_block%3D%28exclude_calls_with_block%3ABool%29-instance-method" class="signature"><strong>#exclude_calls_with_block=</strong>(exclude_calls_with_block : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_multiple_line_blocks:Bool-instance-method" class="signature"><strong>#exclude_multiple_line_blocks</strong> : Bool</a>
+        <a href="#exclude_multiple_line_blocks%3ABool-instance-method" class="signature"><strong>#exclude_multiple_line_blocks</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_multiple_line_blocks=(exclude_multiple_line_blocks:Bool)-instance-method" class="signature"><strong>#exclude_multiple_line_blocks=</strong>(exclude_multiple_line_blocks : Bool)</a>
+        <a href="#exclude_multiple_line_blocks%3D%28exclude_multiple_line_blocks%3ABool%29-instance-method" class="signature"><strong>#exclude_multiple_line_blocks=</strong>(exclude_multiple_line_blocks : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_operators:Bool-instance-method" class="signature"><strong>#exclude_operators</strong> : Bool</a>
+        <a href="#exclude_operators%3ABool-instance-method" class="signature"><strong>#exclude_operators</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_operators=(exclude_operators:Bool)-instance-method" class="signature"><strong>#exclude_operators=</strong>(exclude_operators : Bool)</a>
+        <a href="#exclude_operators%3D%28exclude_operators%3ABool%29-instance-method" class="signature"><strong>#exclude_operators=</strong>(exclude_operators : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_prefix_operators:Bool-instance-method" class="signature"><strong>#exclude_prefix_operators</strong> : Bool</a>
+        <a href="#exclude_prefix_operators%3ABool-instance-method" class="signature"><strong>#exclude_prefix_operators</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_prefix_operators=(exclude_prefix_operators:Bool)-instance-method" class="signature"><strong>#exclude_prefix_operators=</strong>(exclude_prefix_operators : Bool)</a>
+        <a href="#exclude_prefix_operators%3D%28exclude_prefix_operators%3ABool%29-instance-method" class="signature"><strong>#exclude_prefix_operators=</strong>(exclude_prefix_operators : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_setters:Bool-instance-method" class="signature"><strong>#exclude_setters</strong> : Bool</a>
+        <a href="#exclude_setters%3ABool-instance-method" class="signature"><strong>#exclude_setters</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#exclude_setters=(exclude_setters:Bool)-instance-method" class="signature"><strong>#exclude_setters=</strong>(exclude_setters : Bool)</a>
+        <a href="#exclude_setters%3D%28exclude_setters%3ABool%29-instance-method" class="signature"><strong>#exclude_setters=</strong>(exclude_setters : Bool)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_length:Int32?-instance-method" class="signature"><strong>#max_length</strong> : Int32?</a>
+        <a href="#max_length%3AInt32%3F-instance-method" class="signature"><strong>#max_length</strong> : Int32?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_length=(max_length:Int32?)-instance-method" class="signature"><strong>#max_length=</strong>(max_length : Int32?)</a>
+        <a href="#max_length%3D%28max_length%3AInt32%3F%29-instance-method" class="signature"><strong>#max_length=</strong>(max_length : Int32?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_line_length:Int32?-instance-method" class="signature"><strong>#max_line_length</strong> : Int32?</a>
+        <a href="#max_line_length%3AInt32%3F-instance-method" class="signature"><strong>#max_line_length</strong> : Int32?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#max_line_length=(max_line_length:Int32?)-instance-method" class="signature"><strong>#max_line_length=</strong>(max_line_length : Int32?)</a>
+        <a href="#max_line_length%3D%28max_line_length%3AInt32%3F%29-instance-method" class="signature"><strong>#max_line_length=</strong>(max_line_length : Int32?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::Call)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::Call)</a>
         
       </li>
     
@@ -922,17 +921,17 @@ argument as a receiver, that can be collapsed into a short form.</p>
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -952,12 +951,12 @@ argument as a receiver, that can be collapsed into a short form.</p>
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -1027,7 +1026,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -1041,24 +1040,18 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>This rule is used to identify usage of single expression blocks with
 argument as a receiver, that can be collapsed into a short form.</p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).any? { <span class="o">|</span>i<span class="o">|</span> i.odd? }</code></pre>
-
 <p>And it should be written as this:</p>
-
 <pre><code class="language-crystal">(<span class="n">1</span>..<span class="n">3</span>).any?(<span class="o">&amp;</span>.odd?)</code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/VerboseBlock:
   Enabled: true
   ExcludeMultipleLineBlocks: true
@@ -1073,7 +1066,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/verbose_block.cr#L30" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/verbose_block.cr#L30" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1097,7 +1090,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1111,7 +1104,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1125,7 +1118,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1139,7 +1132,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1153,7 +1146,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_calls_with_block</strong> : Bool
 
-        <a class="method-permalink" href="#exclude_calls_with_block:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_calls_with_block%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1167,7 +1160,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_calls_with_block=</strong>(exclude_calls_with_block : Bool)
 
-        <a class="method-permalink" href="#exclude_calls_with_block=(exclude_calls_with_block:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_calls_with_block%3D%28exclude_calls_with_block%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1181,7 +1174,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_multiple_line_blocks</strong> : Bool
 
-        <a class="method-permalink" href="#exclude_multiple_line_blocks:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_multiple_line_blocks%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1195,7 +1188,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_multiple_line_blocks=</strong>(exclude_multiple_line_blocks : Bool)
 
-        <a class="method-permalink" href="#exclude_multiple_line_blocks=(exclude_multiple_line_blocks:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_multiple_line_blocks%3D%28exclude_multiple_line_blocks%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1209,7 +1202,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_operators</strong> : Bool
 
-        <a class="method-permalink" href="#exclude_operators:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_operators%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1223,7 +1216,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_operators=</strong>(exclude_operators : Bool)
 
-        <a class="method-permalink" href="#exclude_operators=(exclude_operators:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_operators%3D%28exclude_operators%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1237,7 +1230,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_prefix_operators</strong> : Bool
 
-        <a class="method-permalink" href="#exclude_prefix_operators:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_prefix_operators%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1251,7 +1244,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_prefix_operators=</strong>(exclude_prefix_operators : Bool)
 
-        <a class="method-permalink" href="#exclude_prefix_operators=(exclude_prefix_operators:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_prefix_operators%3D%28exclude_prefix_operators%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1265,7 +1258,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_setters</strong> : Bool
 
-        <a class="method-permalink" href="#exclude_setters:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_setters%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1279,7 +1272,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>exclude_setters=</strong>(exclude_setters : Bool)
 
-        <a class="method-permalink" href="#exclude_setters=(exclude_setters:Bool)-instance-method">#</a>
+        <a class="method-permalink" href="#exclude_setters%3D%28exclude_setters%3ABool%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1293,7 +1286,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1307,7 +1300,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1321,7 +1314,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>max_length</strong> : Int32?
 
-        <a class="method-permalink" href="#max_length:Int32?-instance-method">#</a>
+        <a class="method-permalink" href="#max_length%3AInt32%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1335,7 +1328,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>max_length=</strong>(max_length : Int32?)
 
-        <a class="method-permalink" href="#max_length=(max_length:Int32?)-instance-method">#</a>
+        <a class="method-permalink" href="#max_length%3D%28max_length%3AInt32%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1349,7 +1342,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>max_line_length</strong> : Int32?
 
-        <a class="method-permalink" href="#max_line_length:Int32?-instance-method">#</a>
+        <a class="method-permalink" href="#max_line_length%3AInt32%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1363,7 +1356,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>max_line_length=</strong>(max_line_length : Int32?)
 
-        <a class="method-permalink" href="#max_line_length=(max_line_length:Int32?)-instance-method">#</a>
+        <a class="method-permalink" href="#max_line_length%3D%28max_line_length%3AInt32%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1377,7 +1370,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1391,7 +1384,7 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1405,13 +1398,13 @@ argument as a receiver, that can be collapsed into a short form.</p>
         
         def <strong>test</strong>(source, node : Crystal::Call)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::Call)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3ACall%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/verbose_block.cr#L189" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/verbose_block.cr#L189" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Rule/Style/WhileTrue.html b/Ameba/Rule/Style/WhileTrue.html
index 183a7e9a..84368a9c 100644
--- a/Ameba/Rule/Style/WhileTrue.html
+++ b/Ameba/Rule/Style/WhileTrue.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../../../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../../../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,23 +645,17 @@
   </h2>
 
   <p>A rule that disallows the use of <code>while true</code> instead of using the idiomatic <code>loop</code></p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">while</span> <span class="n">true</span>
   do_something
   <span class="k">break</span> <span class="k">if</span> some_condition
 <span class="k">end</span></code></pre>
-
 <p>And should be replaced by the following:</p>
-
 <pre><code class="language-crystal">loop <span class="k">do</span>
   do_something
   <span class="k">break</span> <span class="k">if</span> some_condition
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/WhileTrue:
   Enabled: true</code></pre>
 
@@ -699,7 +698,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/while_true.cr#L28" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/while_true.cr#L28" target="_blank">
         ameba/rule/style/while_true.cr
       </a>
     
@@ -740,12 +739,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(config=nil)-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
+        <a href="#new%28config%3Dnil%29-class-method" class="signature"><strong>.new</strong>(config = <span class="n">nil</span>)</a>
         
           <div class="summary"><p>A rule that disallows the use of <code>while true</code> instead of using the idiomatic <code>loop</code></p></div>
         
@@ -768,47 +767,47 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#description:String-instance-method" class="signature"><strong>#description</strong> : String</a>
+        <a href="#description%3AString-instance-method" class="signature"><strong>#description</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#description=(description:String)-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
+        <a href="#description%3D%28description%3AString%29-instance-method" class="signature"><strong>#description=</strong>(description : String)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled:Bool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
+        <a href="#enabled%3ABool-instance-method" class="signature"><strong>#enabled</strong> : Bool</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#enabled=(enabled)-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
+        <a href="#enabled%3D%28enabled%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded:Array(String)?-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
+        <a href="#excluded%3AArray%28String%29%3F-instance-method" class="signature"><strong>#excluded</strong> : Array(String)?</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#excluded=(excluded:Array(String)?)-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
+        <a href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String)?)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity:Ameba::Severity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
+        <a href="#severity%3AAmeba%3A%3ASeverity-instance-method" class="signature"><strong>#severity</strong> : Ameba::Severity</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#severity=(severity)-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
+        <a href="#severity%3D%28severity%29-instance-method" class="signature"><strong>#severity=</strong>(severity)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#test(source,node:Crystal::While)-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::While)</a>
+        <a href="#test%28source%2Cnode%3ACrystal%3A%3AWhile%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::While)</a>
         
       </li>
     
@@ -845,17 +844,17 @@
   <h3>Instance methods inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
   
   
-    <a href="../../../Ameba/Rule/Base.html#==(other)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#%3D%3D%28other%29-instance-method" class="tooltip">
       <span>==(other)</span>
     ==</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#catch(source:Source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#catch%28source%3ASource%29-instance-method" class="tooltip">
       <span>catch(source : Source)</span>
     catch</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#excluded?(source)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#excluded%3F%28source%29-instance-method" class="tooltip">
       <span>excluded?(source)</span>
     excluded?</a>, 
     
@@ -875,12 +874,12 @@
     name</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#special?-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#special%3F-instance-method" class="tooltip">
       <span>special?</span>
     special?</a>, 
     
   
-    <a href="../../../Ameba/Rule/Base.html#test(source:Source,node:Crystal::ASTNode,*opts)-instance-method" class="tooltip">
+    <a href="../../../Ameba/Rule/Base.html#test%28source%3ASource%2Cnode%3ACrystal%3A%3AASTNode%2C%2Aopts%29-instance-method" class="tooltip">
       <span>test(source : Source, node : Crystal::ASTNode, *opts)<br/>test(source : Source)</span>
     test</a>
     
@@ -950,7 +949,7 @@
         
         def self.<strong>new</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#new(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#new%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
@@ -964,29 +963,23 @@
         
         def self.<strong>new</strong>(config = <span class="n">nil</span>)
 
-        <a class="method-permalink" href="#new(config=nil)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3Dnil%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>A rule that disallows the use of <code>while true</code> instead of using the idiomatic <code>loop</code></p>
-
 <p>For example, this is considered invalid:</p>
-
 <pre><code class="language-crystal"><span class="k">while</span> <span class="n">true</span>
   do_something
   <span class="k">break</span> <span class="k">if</span> some_condition
 <span class="k">end</span></code></pre>
-
 <p>And should be replaced by the following:</p>
-
 <pre><code class="language-crystal">loop <span class="k">do</span>
   do_something
   <span class="k">break</span> <span class="k">if</span> some_condition
 <span class="k">end</span></code></pre>
-
 <p>YAML configuration example:</p>
-
 <pre><code class="language-crystal">Style/WhileTrue:
   Enabled: true</code></pre>
         </div>
@@ -994,7 +987,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/while_true.cr#L28" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/while_true.cr#L28" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1018,7 +1011,7 @@
         
         def <strong>description</strong> : String
 
-        <a class="method-permalink" href="#description:String-instance-method">#</a>
+        <a class="method-permalink" href="#description%3AString-instance-method">#</a>
       </div>
       
       <br/>
@@ -1032,7 +1025,7 @@
         
         def <strong>description=</strong>(description : String)
 
-        <a class="method-permalink" href="#description=(description:String)-instance-method">#</a>
+        <a class="method-permalink" href="#description%3D%28description%3AString%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1046,7 +1039,7 @@
         
         def <strong>enabled</strong> : Bool
 
-        <a class="method-permalink" href="#enabled:Bool-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3ABool-instance-method">#</a>
       </div>
       
       <br/>
@@ -1060,7 +1053,7 @@
         
         def <strong>enabled=</strong>(enabled)
 
-        <a class="method-permalink" href="#enabled=(enabled)-instance-method">#</a>
+        <a class="method-permalink" href="#enabled%3D%28enabled%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1074,7 +1067,7 @@
         
         def <strong>excluded</strong> : Array(String)?
 
-        <a class="method-permalink" href="#excluded:Array(String)?-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3AArray%28String%29%3F-instance-method">#</a>
       </div>
       
       <br/>
@@ -1088,7 +1081,7 @@
         
         def <strong>excluded=</strong>(excluded : Array(String)?)
 
-        <a class="method-permalink" href="#excluded=(excluded:Array(String)?)-instance-method">#</a>
+        <a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%3F%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1102,7 +1095,7 @@
         
         def <strong>severity</strong> : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>
 
-        <a class="method-permalink" href="#severity:Ameba::Severity-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3AAmeba%3A%3ASeverity-instance-method">#</a>
       </div>
       
       <br/>
@@ -1116,7 +1109,7 @@
         
         def <strong>severity=</strong>(severity)
 
-        <a class="method-permalink" href="#severity=(severity)-instance-method">#</a>
+        <a class="method-permalink" href="#severity%3D%28severity%29-instance-method">#</a>
       </div>
       
       <br/>
@@ -1130,13 +1123,13 @@
         
         def <strong>test</strong>(source, node : Crystal::While)
 
-        <a class="method-permalink" href="#test(source,node:Crystal::While)-instance-method">#</a>
+        <a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AWhile%29-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/rule/style/while_true.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/rule/style/while_true.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Runner.html b/Ameba/Runner.html
index 65d5d7a3..382744ce 100644
--- a/Ameba/Runner.html
+++ b/Ameba/Runner.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -643,7 +648,6 @@
 Holds a list of rules to do inspection based on,
 list of sources to run inspection on and a formatter
 to prepare a report.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 runner <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Runner</span>.<span class="k">new</span> config
 runner.run.success? <span class="c"># =&gt; true or false</span></code></pre>
@@ -671,7 +675,7 @@ runner.run.success? <span class="c"># =&gt; true or false</span></code></pre>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L13" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L13" target="_blank">
         ameba/runner.cr
       </a>
     
@@ -693,7 +697,7 @@ runner.run.success? <span class="c"># =&gt; true or false</span></code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(config:Config)-class-method" class="signature"><strong>.new</strong>(config : Config)</a>
+        <a href="#new%28config%3AConfig%29-class-method" class="signature"><strong>.new</strong>(config : Config)</a>
         
           <div class="summary"><p>Instantiates a runner using a <code>config</code>.</p></div>
         
@@ -716,7 +720,7 @@ runner.run.success? <span class="c"># =&gt; true or false</span></code></pre>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#explain(location,output=STDOUT)-instance-method" class="signature"><strong>#explain</strong>(location, output = <span class="t">STDOUT</span>)</a>
+        <a href="#explain%28location%2Coutput%3DSTDOUT%29-instance-method" class="signature"><strong>#explain</strong>(location, output = <span class="t">STDOUT</span>)</a>
         
           <div class="summary"><p>Explains an issue at a specified <em>location</em>.</p></div>
         
@@ -730,14 +734,14 @@ runner.run.success? <span class="c"># =&gt; true or false</span></code></pre>
       </li>
     
       <li class="entry-summary">
-        <a href="#sources:Array(Source)-instance-method" class="signature"><strong>#sources</strong> : Array(Source)</a>
+        <a href="#sources%3AArray%28Source%29-instance-method" class="signature"><strong>#sources</strong> : Array(Source)</a>
         
           <div class="summary"><p>A list of sources to run inspection on.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#success?-instance-method" class="signature"><strong>#success?</strong></a>
+        <a href="#success%3F-instance-method" class="signature"><strong>#success?</strong></a>
         
           <div class="summary"><p>Indicates whether the last inspection successful or not.</p></div>
         
@@ -788,13 +792,12 @@ runner.run.success? <span class="c"># =&gt; true or false</span></code></pre>
         
         def self.<strong>new</strong>(config : <a href="../Ameba/Config.html">Config</a>)
 
-        <a class="method-permalink" href="#new(config:Config)-class-method">#</a>
+        <a class="method-permalink" href="#new%28config%3AConfig%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Instantiates a runner using a <code>config</code>.</p>
-
 <pre><code class="language-crystal">config <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Config</span>.load
 config.files <span class="o">=</span> files
 config.formatter <span class="o">=</span> formatter
@@ -805,7 +808,7 @@ config.formatter <span class="o">=</span> formatter
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L41" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L41" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -829,16 +832,14 @@ config.formatter <span class="o">=</span> formatter
         
         def <strong>explain</strong>(location, output = <span class="t">STDOUT</span>)
 
-        <a class="method-permalink" href="#explain(location,output=STDOUT)-instance-method">#</a>
+        <a class="method-permalink" href="#explain%28location%2Coutput%3DSTDOUT%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Explains an issue at a specified <em>location</em>.</p>
-
 <p>Runner should perform inspection before doing the explain.
 This is necessary to be able to find the issue at a specified location.</p>
-
 <pre><code class="language-crystal">runner <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Runner</span>.<span class="k">new</span> config
 runner.run
 runner.explain({file: file, line: l, column: c})</code></pre>
@@ -847,7 +848,7 @@ runner.explain({file: file, line: l, column: c})</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L113" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L113" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -865,10 +866,8 @@ runner.explain({file: file, line: l, column: c})</code></pre>
           <p>Performs the inspection. Iterates through all sources and test it using
 list of rules. If a specific rule fails on a specific source, it adds
 an issue to that source.</p>
-
 <p>This action also notifies formatter when inspection is started/finished,
 and when a specific source started/finished to be inspected.</p>
-
 <pre><code class="language-crystal">runner <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Runner</span>.<span class="k">new</span> config
 runner.run <span class="c"># =&gt; returns runner again</span></code></pre>
         </div>
@@ -876,7 +875,7 @@ runner.run <span class="c"># =&gt; returns runner again</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L66" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L66" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -886,7 +885,7 @@ runner.run <span class="c"># =&gt; returns runner again</span></code></pre>
         
         def <strong>sources</strong> : Array(<a href="../Ameba/Source.html">Source</a>)
 
-        <a class="method-permalink" href="#sources:Array(Source)-instance-method">#</a>
+        <a class="method-permalink" href="#sources%3AArray%28Source%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -897,7 +896,7 @@ runner.run <span class="c"># =&gt; returns runner again</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L18" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L18" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -907,14 +906,13 @@ runner.run <span class="c"># =&gt; returns runner again</span></code></pre>
         
         def <strong>success?</strong>
 
-        <a class="method-permalink" href="#success?-instance-method">#</a>
+        <a class="method-permalink" href="#success%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Indicates whether the last inspection successful or not.
 It returns true if no issues matching severity in sources found, false otherwise.</p>
-
 <pre><code class="language-crystal">runner <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Runner</span>.<span class="k">new</span> config
 runner.run
 runner.success? <span class="c"># =&gt; true or false</span></code></pre>
@@ -923,7 +921,7 @@ runner.success? <span class="c"># =&gt; true or false</span></code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/runner.cr#L125" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L125" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Severity.html b/Ameba/Severity.html
index 201d379a..1b686567 100644
--- a/Ameba/Severity.html
+++ b/Ameba/Severity.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -651,7 +656,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L2" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L2" target="_blank">
         ameba/severity.cr
       </a>
     
@@ -704,7 +709,7 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#parse(name:String)-class-method" class="signature"><strong>.parse</strong>(name : String)</a>
+        <a href="#parse%28name%3AString%29-class-method" class="signature"><strong>.parse</strong>(name : String)</a>
         
           <div class="summary"><p>Creates Severity by the name.</p></div>
         
@@ -725,24 +730,24 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#convention?-instance-method" class="signature"><strong>#convention?</strong></a>
+        <a href="#convention%3F-instance-method" class="signature"><strong>#convention?</strong></a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#error?-instance-method" class="signature"><strong>#error?</strong></a>
+        <a href="#error%3F-instance-method" class="signature"><strong>#error?</strong></a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#symbol:Char-instance-method" class="signature"><strong>#symbol</strong> : Char</a>
+        <a href="#symbol%3AChar-instance-method" class="signature"><strong>#symbol</strong> : Char</a>
         
           <div class="summary"><p>Returns a symbol uniquely indicating severity.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#warning?-instance-method" class="signature"><strong>#warning?</strong></a>
+        <a href="#warning%3F-instance-method" class="signature"><strong>#warning?</strong></a>
         
       </li>
     
@@ -813,13 +818,12 @@
         
         def self.<strong>parse</strong>(name : String)
 
-        <a class="method-permalink" href="#parse(name:String)-class-method">#</a>
+        <a class="method-permalink" href="#parse%28name%3AString%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Creates Severity by the name.</p>
-
 <pre><code class="language-crystal"><span class="t">Severity</span>.parse(<span class="s">&quot;convention&quot;</span>) <span class="c"># =&gt; Severity::Convention</span>
 <span class="t">Severity</span>.parse(<span class="s">&quot;foo-bar&quot;</span>)    <span class="c"># =&gt; Exception: Incorrect severity name</span></code></pre>
         </div>
@@ -827,7 +831,7 @@
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L26" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L26" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -849,13 +853,13 @@
         
         def <strong>convention?</strong>
 
-        <a class="method-permalink" href="#convention?-instance-method">#</a>
+        <a class="method-permalink" href="#convention%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L5" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L5" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -865,13 +869,13 @@
         
         def <strong>error?</strong>
 
-        <a class="method-permalink" href="#error?-instance-method">#</a>
+        <a class="method-permalink" href="#error%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L3" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L3" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -881,20 +885,19 @@
         
         def <strong>symbol</strong> : Char
 
-        <a class="method-permalink" href="#symbol:Char-instance-method">#</a>
+        <a class="method-permalink" href="#symbol%3AChar-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns a symbol uniquely indicating severity.</p>
-
 <pre><code class="language-crystal"><span class="t">Severity</span><span class="t">::</span><span class="t">Warning</span>.symbol <span class="c"># =&gt; &#39;W&#39;</span></code></pre>
         </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L12" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L12" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -904,13 +907,13 @@
         
         def <strong>warning?</strong>
 
-        <a class="method-permalink" href="#warning?-instance-method">#</a>
+        <a class="method-permalink" href="#warning%3F-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L4" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L4" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/SeverityYamlConverter.html b/Ameba/SeverityYamlConverter.html
index 22315b85..9b4e6ad4 100644
--- a/Ameba/SeverityYamlConverter.html
+++ b/Ameba/SeverityYamlConverter.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -664,7 +669,7 @@
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L34" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L34" target="_blank">
         ameba/severity.cr
       </a>
     
@@ -688,12 +693,12 @@
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#from_yaml(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method" class="signature"><strong>.from_yaml</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
+        <a href="#from_yaml%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method" class="signature"><strong>.from_yaml</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#to_yaml(value:Severity,yaml:YAML::Nodes::Builder)-class-method" class="signature"><strong>.to_yaml</strong>(value : Severity, yaml : YAML::Nodes::Builder)</a>
+        <a href="#to_yaml%28value%3ASeverity%2Cyaml%3AYAML%3A%3ANodes%3A%3ABuilder%29-class-method" class="signature"><strong>.to_yaml</strong>(value : Severity, yaml : YAML::Nodes::Builder)</a>
         
       </li>
     
@@ -746,13 +751,13 @@
         
         def self.<strong>from_yaml</strong>(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
 
-        <a class="method-permalink" href="#from_yaml(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method">#</a>
+        <a class="method-permalink" href="#from_yaml%28ctx%3AYAML%3A%3AParseContext%2Cnode%3AYAML%3A%3ANodes%3A%3ANode%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -762,13 +767,13 @@
         
         def self.<strong>to_yaml</strong>(value : <a href="../Ameba/Severity.html">Severity</a>, yaml : YAML::Nodes::Builder)
 
-        <a class="method-permalink" href="#to_yaml(value:Severity,yaml:YAML::Nodes::Builder)-class-method">#</a>
+        <a class="method-permalink" href="#to_yaml%28value%3ASeverity%2Cyaml%3AYAML%3A%3ANodes%3A%3ABuilder%29-class-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/severity.cr#L48" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L48" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Source.html b/Ameba/Source.html
index 465dbd55..8a0da74e 100644
--- a/Ameba/Source.html
+++ b/Ameba/Source.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -681,7 +686,7 @@ Has path, lines of code and issues reported by rules.</p>
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L4" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L4" target="_blank">
         ameba/source.cr
       </a>
     
@@ -703,9 +708,9 @@ Has path, lines of code and issues reported by rules.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(code,path=&quot;&quot;)-class-method" class="signature"><strong>.new</strong>(code, path = <span class="s">&quot;&quot;</span>)</a>
+        <a href="#new%28code%2Cpath%3D%22%22%29-class-method" class="signature"><strong>.new</strong>(code, path = <span class="s">&quot;&quot;</span>)</a>
         
-          <div class="summary"><p>Creates a new source by <code><a href="../Ameba/Source.html#code:String-instance-method">#code</a></code> and <code><a href="../Ameba/Source.html#path:String-instance-method">#path</a></code>.</p></div>
+          <div class="summary"><p>Creates a new source by <code><a href="../Ameba/Source.html#code%3AString-instance-method">#code</a></code> and <code><a href="../Ameba/Source.html#path%3AString-instance-method">#path</a></code>.</p></div>
         
       </li>
     
@@ -726,47 +731,47 @@ Has path, lines of code and issues reported by rules.</p>
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#ast:Crystal::ASTNode-instance-method" class="signature"><strong>#ast</strong> : Crystal::ASTNode</a>
+        <a href="#ast%3ACrystal%3A%3AASTNode-instance-method" class="signature"><strong>#ast</strong> : Crystal::ASTNode</a>
         
           <div class="summary"><p>Returns AST nodes constructed by <code>Crystal::Parser</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#code:String-instance-method" class="signature"><strong>#code</strong> : String</a>
+        <a href="#code%3AString-instance-method" class="signature"><strong>#code</strong> : String</a>
         
           <div class="summary"><p>Crystal code (content of a source file).</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#fullpath:String-instance-method" class="signature"><strong>#fullpath</strong> : String</a>
+        <a href="#fullpath%3AString-instance-method" class="signature"><strong>#fullpath</strong> : String</a>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#lines:Array(String)-instance-method" class="signature"><strong>#lines</strong> : Array(String)</a>
+        <a href="#lines%3AArray%28String%29-instance-method" class="signature"><strong>#lines</strong> : Array(String)</a>
         
           <div class="summary"><p>Returns lines of code splitted by new line character.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#matches_path?(filepath)-instance-method" class="signature"><strong>#matches_path?</strong>(filepath)</a>
+        <a href="#matches_path%3F%28filepath%29-instance-method" class="signature"><strong>#matches_path?</strong>(filepath)</a>
         
           <div class="summary"><p>Returns <code>true</code> if <em>filepath</em> matches the source's path, <code>false</code> if it does not.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#path:String-instance-method" class="signature"><strong>#path</strong> : String</a>
+        <a href="#path%3AString-instance-method" class="signature"><strong>#path</strong> : String</a>
         
           <div class="summary"><p>Path to the source file.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#spec?-instance-method" class="signature"><strong>#spec?</strong></a>
+        <a href="#spec%3F-instance-method" class="signature"><strong>#spec?</strong></a>
         
           <div class="summary"><p>Returns <code>true</code> if the source is a spec file, <code>false</code> otherwise.</p></div>
         
@@ -785,7 +790,7 @@ Has path, lines of code and issues reported by rules.</p>
   <h3>Instance methods inherited from module <code><a href="../Ameba/Reportable.html">Ameba::Reportable</a></code></h3>
   
   
-    <a href="../Ameba/Reportable.html#add_issue(rule,location:Tuple(Int32,Int32),message,status:Issue::Status?=nil):Issue-instance-method" class="tooltip">
+    <a href="../Ameba/Reportable.html#add_issue%28rule%2Clocation%3ATuple%28Int32%2CInt32%29%2Cmessage%2Cstatus%3AIssue%3A%3AStatus%3F%3Dnil%29%3AIssue-instance-method" class="tooltip">
       <span>add_issue(rule, location : Tuple(Int32, Int32), message, status : Issue::Status? = <span class="n">nil</span>) : Issue<br/>add_issue(rule, node : Crystal::ASTNode, message, status : Issue::Status? = <span class="n">nil</span>) : Issue<br/>add_issue(rule, token : Crystal::Token, message, status : Issue::Status? = <span class="n">nil</span>) : Issue<br/>add_issue(rule, location : Tuple(Int32, Int32), end_location : Tuple(Int32, Int32), message, status : Issue::Status? = <span class="n">nil</span>) : Issue<br/>add_issue(rule, location, end_location, message, status : Issue::Status? = <span class="n">nil</span>) : Issue</span>
     add_issue</a>, 
     
@@ -795,7 +800,7 @@ Has path, lines of code and issues reported by rules.</p>
     issues</a>, 
     
   
-    <a href="../Ameba/Reportable.html#valid?-instance-method" class="tooltip">
+    <a href="../Ameba/Reportable.html#valid%3F-instance-method" class="tooltip">
       <span>valid?</span>
     valid?</a>
     
@@ -814,17 +819,17 @@ Has path, lines of code and issues reported by rules.</p>
   <h3>Instance methods inherited from module <code><a href="../Ameba/InlineComments.html">Ameba::InlineComments</a></code></h3>
   
   
-    <a href="../Ameba/InlineComments.html#comment?(line_number:Int32)-instance-method" class="tooltip">
+    <a href="../Ameba/InlineComments.html#comment%3F%28line_number%3AInt32%29-instance-method" class="tooltip">
       <span>comment?(line_number : Int32)</span>
     comment?</a>, 
     
   
-    <a href="../Ameba/InlineComments.html#location_disabled?(location,rule)-instance-method" class="tooltip">
+    <a href="../Ameba/InlineComments.html#location_disabled%3F%28location%2Crule%29-instance-method" class="tooltip">
       <span>location_disabled?(location, rule)</span>
     location_disabled?</a>, 
     
   
-    <a href="../Ameba/InlineComments.html#parse_inline_directive(line)-instance-method" class="tooltip">
+    <a href="../Ameba/InlineComments.html#parse_inline_directive%28line%29-instance-method" class="tooltip">
       <span>parse_inline_directive(line)</span>
     parse_inline_directive</a>
     
@@ -875,15 +880,13 @@ Has path, lines of code and issues reported by rules.</p>
         
         def self.<strong>new</strong>(code, path = <span class="s">&quot;&quot;</span>)
 
-        <a class="method-permalink" href="#new(code,path=&quot;&quot;)-class-method">#</a>
+        <a class="method-permalink" href="#new%28code%2Cpath%3D%22%22%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
-          <p>Creates a new source by <code><a href="../Ameba/Source.html#code:String-instance-method">#code</a></code> and <code><a href="../Ameba/Source.html#path:String-instance-method">#path</a></code>.</p>
-
+          <p>Creates a new source by <code><a href="../Ameba/Source.html#code%3AString-instance-method">#code</a></code> and <code><a href="../Ameba/Source.html#path%3AString-instance-method">#path</a></code>.</p>
 <p>For example:</p>
-
 <pre><code class="language-crystal">path <span class="o">=</span> <span class="s">&quot;./src/source.cr&quot;</span>
 <span class="t">Ameba</span><span class="t">::</span><span class="t">Source</span>.<span class="k">new</span> <span class="t">File</span>.read(path), path</code></pre>
         </div>
@@ -891,7 +894,7 @@ Has path, lines of code and issues reported by rules.</p>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L22" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L22" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -915,13 +918,12 @@ Has path, lines of code and issues reported by rules.</p>
         
         def <strong>ast</strong> : Crystal::ASTNode
 
-        <a class="method-permalink" href="#ast:Crystal::ASTNode-instance-method">#</a>
+        <a class="method-permalink" href="#ast%3ACrystal%3A%3AASTNode-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns AST nodes constructed by <code>Crystal::Parser</code>.</p>
-
 <pre><code class="language-crystal">source <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Source</span>.<span class="k">new</span> code, path
 source.ast</code></pre>
         </div>
@@ -929,7 +931,7 @@ source.ast</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L45" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L45" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -939,7 +941,7 @@ source.ast</code></pre>
         
         def <strong>code</strong> : String
 
-        <a class="method-permalink" href="#code:String-instance-method">#</a>
+        <a class="method-permalink" href="#code%3AString-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -950,7 +952,7 @@ source.ast</code></pre>
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L12" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L12" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -960,13 +962,13 @@ source.ast</code></pre>
         
         def <strong>fullpath</strong> : String
 
-        <a class="method-permalink" href="#fullpath:String-instance-method">#</a>
+        <a class="method-permalink" href="#fullpath%3AString-instance-method">#</a>
       </div>
       
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L52" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L52" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -976,17 +978,16 @@ source.ast</code></pre>
         
         def <strong>lines</strong> : Array(String)
 
-        <a class="method-permalink" href="#lines:Array(String)-instance-method">#</a>
+        <a class="method-permalink" href="#lines%3AArray%28String%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Returns lines of code splitted by new line character.
-Since <code><a href="../Ameba/Source.html#code:String-instance-method">#code</a></code> is immutable and can't be changed, this
+Since <code><a href="../Ameba/Source.html#code%3AString-instance-method">#code</a></code> is immutable and can't be changed, this
 method caches lines in an instance variable, so calling
 it second time will not perform a split, but will return
 lines instantly.</p>
-
 <pre><code class="language-crystal">source <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Source</span>.<span class="k">new</span> <span class="s">&quot;a = 1\nb = 2&quot;</span>, path
 source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</span></code></pre>
         </div>
@@ -994,7 +995,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L36" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L36" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1004,7 +1005,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
         
         def <strong>matches_path?</strong>(filepath)
 
-        <a class="method-permalink" href="#matches_path?(filepath)-instance-method">#</a>
+        <a class="method-permalink" href="#matches_path%3F%28filepath%29-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1015,7 +1016,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L62" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L62" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1025,7 +1026,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
         
         def <strong>path</strong> : String
 
-        <a class="method-permalink" href="#path:String-instance-method">#</a>
+        <a class="method-permalink" href="#path%3AString-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1036,7 +1037,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L9" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L9" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -1046,7 +1047,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
         
         def <strong>spec?</strong>
 
-        <a class="method-permalink" href="#spec?-instance-method">#</a>
+        <a class="method-permalink" href="#spec%3F-instance-method">#</a>
       </div>
       
         <div class="doc">
@@ -1057,7 +1058,7 @@ source.lines <span class="c"># =&gt; [&quot;a = 1&quot;, &quot;b = 2&quot;]</spa
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/source.cr#L57" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L57" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/Ameba/Tokenizer.html b/Ameba/Tokenizer.html
index 7884a721..872a874f 100644
--- a/Ameba/Tokenizer.html
+++ b/Ameba/Tokenizer.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="../Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="../Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -640,7 +645,6 @@
   </h2>
 
   <p>Represents Crystal syntax tokenizer based on <code>Crystal::Lexer</code>.</p>
-
 <pre><code class="language-crystal">source <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Source</span>.<span class="k">new</span> code, path
 tokenizer <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Tokenizer</span>.<span class="k">new</span>(source)
 tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class="o">|</span>
@@ -670,7 +674,7 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
   </h2>
   
     
-      <a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/tokenizer.cr#L14" target="_blank">
+      <a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L14" target="_blank">
         ameba/tokenizer.cr
       </a>
     
@@ -692,14 +696,14 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#new(lexer:Crystal::Lexer)-class-method" class="signature"><strong>.new</strong>(lexer : Crystal::Lexer)</a>
+        <a href="#new%28lexer%3ACrystal%3A%3ALexer%29-class-method" class="signature"><strong>.new</strong>(lexer : Crystal::Lexer)</a>
         
           <div class="summary"><p>Instantiates Tokenizer using a <code>lexer</code>.</p></div>
         
       </li>
     
       <li class="entry-summary">
-        <a href="#new(source)-class-method" class="signature"><strong>.new</strong>(source)</a>
+        <a href="#new%28source%29-class-method" class="signature"><strong>.new</strong>(source)</a>
         
           <div class="summary"><p>Instantiates Tokenizer using a <code>source</code>.</p></div>
         
@@ -722,7 +726,7 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
   <ul class="list-summary">
     
       <li class="entry-summary">
-        <a href="#run(&block:Crystal::Token-%3E_)-instance-method" class="signature"><strong>#run</strong>(&block : Crystal::Token -> _)</a>
+        <a href="#run%28%26block%3ACrystal%3A%3AToken-%3E_%29-instance-method" class="signature"><strong>#run</strong>(&block : Crystal::Token -> _)</a>
         
           <div class="summary"><p>Runs the tokenizer and yields each token as a block argument.</p></div>
         
@@ -773,13 +777,12 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
         
         def self.<strong>new</strong>(lexer : Crystal::Lexer)
 
-        <a class="method-permalink" href="#new(lexer:Crystal::Lexer)-class-method">#</a>
+        <a class="method-permalink" href="#new%28lexer%3ACrystal%3A%3ALexer%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Instantiates Tokenizer using a <code>lexer</code>.</p>
-
 <pre><code class="language-crystal">lexer <span class="o">=</span> <span class="t">Crystal</span><span class="t">::</span><span class="t">Lexer</span>.<span class="k">new</span>(code)
 <span class="t">Ameba</span><span class="t">::</span><span class="t">Tokenizer</span>.<span class="k">new</span>(lexer)</code></pre>
         </div>
@@ -787,7 +790,7 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/tokenizer.cr#L35" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L35" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -797,13 +800,12 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
         
         def self.<strong>new</strong>(source)
 
-        <a class="method-permalink" href="#new(source)-class-method">#</a>
+        <a class="method-permalink" href="#new%28source%29-class-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Instantiates Tokenizer using a <code>source</code>.</p>
-
 <pre><code class="language-crystal">source <span class="o">=</span> <span class="t">Ameba</span><span class="t">::</span><span class="t">Source</span>.<span class="k">new</span> code, path
 <span class="t">Ameba</span><span class="t">::</span><span class="t">Tokenizer</span>.<span class="k">new</span>(source)</code></pre>
         </div>
@@ -811,7 +813,7 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/tokenizer.cr#L21" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L21" target="_blank">View source</a>]
         
       </div>
     </div>
@@ -830,18 +832,17 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
     Instance Method Detail
   </h2>
   
-    <div class="entry-detail" id="run(&block:Crystal::Token->_)-instance-method">
+    <div class="entry-detail" id="run(&amp;block:Crystal::Token-&gt;_)-instance-method">
       <div class="signature">
         
         def <strong>run</strong>(&block : Crystal::Token -> _)
 
-        <a class="method-permalink" href="#run(&block:Crystal::Token-%3E_)-instance-method">#</a>
+        <a class="method-permalink" href="#run%28%26block%3ACrystal%3A%3AToken-%3E_%29-instance-method">#</a>
       </div>
       
         <div class="doc">
           
           <p>Runs the tokenizer and yields each token as a block argument.</p>
-
 <pre><code class="language-crystal"><span class="t">Ameba</span><span class="t">::</span><span class="t">Tokenizer</span>.<span class="k">new</span>(source).run <span class="k">do</span> <span class="o">|</span>token<span class="o">|</span>
   puts token
 <span class="k">end</span></code></pre>
@@ -850,7 +851,7 @@ tokenizer.run <span class="k">do</span> <span class="o">|</span>token<span class
       <br/>
       <div>
         
-          [<a href="https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/tokenizer.cr#L45" target="_blank">View source</a>]
+          [<a href="https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L45" target="_blank">View source</a>]
         
       </div>
     </div>
diff --git a/index.html b/index.html
index f55ccd57..2d9494cb 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="generator" content="Crystal Docs 0.36.1">
+<meta name="generator" content="Crystal Docs 1.1.1">
 <meta name="crystal_docs.project_version" content="master">
 <meta name="crystal_docs.project_name" content="ameba">
 
@@ -286,6 +286,11 @@
       
         <ul>
   
+  <li class=" " data-id="ameba/Ameba/Rule/Lint/AmbiguousAssignment" data-name="ameba::rule::lint::ambiguousassignment">
+      <a href="Ameba/Rule/Lint/AmbiguousAssignment.html">AmbiguousAssignment</a>
+      
+    </li>
+  
   <li class=" " data-id="ameba/Ameba/Rule/Lint/BadDirective" data-name="ameba::rule::lint::baddirective">
       <a href="Ameba/Rule/Lint/BadDirective.html">BadDirective</a>
       
@@ -618,40 +623,49 @@
 
 
 <div class="main-content">
-<ul><li><a href="#about">About</a></li><li><a href="#usage">Usage</a></li></ul>
-
-<ul><li><a href="#watch-a-tutorial">Watch a tutorial</a></li><li><a href="#run-in-parallel">Run in parallel</a></li></ul></ul>
-
-<ul><li><a href="#installation">Installation</a></li></ul>
-
-<ul><li><a href="#as-a-project-dependency">As a project dependency:</a></li><li><a href="#os-x">OS X</a></li><li><a href="#docker">Docker</a></li><li><a href="#from-sources">From sources</a></li></ul></ul>
-
-<ul><li><a href="#configuration">Configuration</a></li></ul>
-
-<ul><li><a href="#sources">Sources</a></li><li><a href="#rules">Rules</a></li><li><a href="#explain-issues">Explain issues</a></li><li><a href="#inline-disabling">Inline disabling</a></li></ul></ul>
-
-<ul><li><a href="#editors--integrations">Editors & integrations</a></li><li><a href="#credits--inspirations">Credits & inspirations</a></li><li><a href="#contributors">Contributors</a></li></ul>
-
+<ul>
+<li><a href="#about">About</a></li>
+<li><a href="#usage">Usage</a>
+<ul>
+<li><a href="#watch-a-tutorial">Watch a tutorial</a></li>
+<li><a href="#run-in-parallel">Run in parallel</a></li>
+</ul>
+</li>
+<li><a href="#installation">Installation</a>
+<ul>
+<li><a href="#as-a-project-dependency">As a project dependency:</a></li>
+<li><a href="#os-x">OS X</a></li>
+<li><a href="#docker">Docker</a></li>
+<li><a href="#from-sources">From sources</a></li>
+</ul>
+</li>
+<li><a href="#configuration">Configuration</a>
+<ul>
+<li><a href="#sources">Sources</a></li>
+<li><a href="#rules">Rules</a></li>
+<li><a href="#explain-issues">Explain issues</a></li>
+<li><a href="#inline-disabling">Inline disabling</a></li>
+</ul>
+</li>
+<li><a href="#editors--integrations">Editors &amp; integrations</a></li>
+<li><a href="#credits--inspirations">Credits &amp; inspirations</a></li>
+<li><a href="#contributors">Contributors</a></li>
+</ul>
 <h2><a id="about" class="anchor" href="#about">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>About</h2>
-
 <p>Ameba is a static code analysis tool for the Crystal language.
 It enforces a consistent <a href="https://crystal-lang.org/reference/conventions/coding_style.html">Crystal code style</a>,
 also catches code smells and wrong code constructions.</p>
-
 <p>See also <a href="https://github.com/crystal-ameba/ameba/wiki">Roadmap</a>.</p>
-
 <h2><a id="usage" class="anchor" href="#usage">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Usage</h2>
-
 <p>Run <code>ameba</code> binary within your project directory to catch code issues:</p>
-
 <pre><code class="language-sh">$ ameba
 Inspecting 107 files
 
@@ -659,68 +673,54 @@ Inspecting 107 files
 
 src/ameba/formatter/flycheck_formatter.cr:4:33
 [W] Lint/UnusedArgument: Unused argument `location`
-> source.issues.each do |e, location|
+&gt; source.issues.each do |e, location|
                             ^
 
 src/ameba/formatter/base_formatter.cr:12:7
 [W] Lint/UselessAssign: Useless assignment to variable `s`
-> return s += issues.size
+&gt; return s += issues.size
          ^
 
 Finished in 542.64 milliseconds
 129 inspected, 2 failures</code></pre>
-
 <h3><a id="watch-a-tutorial" class="anchor" href="#watch-a-tutorial">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Watch a tutorial</h3>
-
 <p><a href="https://luckycasts.com/videos/ameba">🎬 Watch the LuckyCast showing how to use Ameba</a></p>
-
 <h3><a id="run-in-parallel" class="anchor" href="#run-in-parallel">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Run in parallel</h3>
-
 <p>Starting from 0.31.0 Crystal <a href="https://crystal-lang.org/2019/09/06/parallelism-in-crystal.html">supports parallelism</a>.
 It allows to run linting in parallel too.
 In order to take advantage of this feature you need to build ameba with preview_mt support:</p>
-
 <pre><code class="language-sh">$ crystal build src/cli.cr -Dpreview_mt -o bin/ameba
 $ make install</code></pre>
-
 <p>Some quick benchmark results measured while running Ameba on Crystal repo:</p>
-
-<pre><code class="language-sh">$ CRYSTAL_WORKERS=1 ameba #=> 29.11 seconds
-$ CRYSTAL_WORKERS=2 ameba #=> 19.49 seconds
-$ CRYSTAL_WORKERS=4 ameba #=> 13.48 seconds
-$ CRYSTAL_WORKERS=8 ameba #=> 10.14 seconds</code></pre>
-
+<pre><code class="language-sh">$ CRYSTAL_WORKERS=1 ameba #=&gt; 29.11 seconds
+$ CRYSTAL_WORKERS=2 ameba #=&gt; 19.49 seconds
+$ CRYSTAL_WORKERS=4 ameba #=&gt; 13.48 seconds
+$ CRYSTAL_WORKERS=8 ameba #=&gt; 10.14 seconds</code></pre>
 <h2><a id="installation" class="anchor" href="#installation">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Installation</h2>
-
 <h3><a id="as-a-project-dependency" class="anchor" href="#as-a-project-dependency">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>As a project dependency:</h3>
-
 <p>Add this to your application's <code>shard.yml</code>:</p>
-
 <pre><code class="language-yaml">development_dependencies:
   ameba:
     github: crystal-ameba/ameba
-    version: ~> 0.13.0</code></pre>
-
+    version: ~&gt; 0.13.0</code></pre>
 <p>Build <code>bin/ameba</code> binary within your project directory while running <code>shards install</code>.</p>
-
 <p>You may also want to use it on <a href="travis-ci.org">Travis</a>:</p>
-
 <pre><code class="language-yaml"># .travis.yml
 language: crystal
 install:
@@ -728,156 +728,134 @@ install:
 script:
   - crystal spec
   - crystal bin/ameba.cr</code></pre>
-
 <p>Using this config Ameba will inspect files just after the specs run. Travis will also fail
 the build if some problems detected.</p>
-
 <h3><a id="os-x" class="anchor" href="#os-x">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>OS X</h3>
-
 <pre><code class="language-sh">$ brew tap veelenga/tap
 $ brew install ameba</code></pre>
-
 <h3><a id="docker" class="anchor" href="#docker">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Docker</h3>
-
 <p>Build the image:</p>
-
 <pre><code class="language-sh">$ docker build -t crystal-ameba/ameba .</code></pre>
-
 <p>To use the resulting image on a local source folder, mount the current (or target) directory into <code>/src</code>:</p>
-
 <pre><code class="language-sh">$ docker run -v $(pwd):/src crystal-ameba/ameba</code></pre>
-
 <p>Also available on DockerHub: https://hub.docker.com/r/veelenga/ameba</p>
-
 <h3><a id="from-sources" class="anchor" href="#from-sources">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>From sources</h3>
-
-<pre><code class="language-sh">$ git clone https://github.com/crystal-ameba/ameba && cd ameba
+<pre><code class="language-sh">$ git clone https://github.com/crystal-ameba/ameba &amp;&amp; cd ameba
 $ make install</code></pre>
-
 <h2><a id="configuration" class="anchor" href="#configuration">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Configuration</h2>
-
 <p>Default configuration file is <code>.ameba.yml</code>.
 It allows to configure rule properties, disable specific rules and exclude sources from the rules.</p>
-
 <p>Generate new file by running <code>ameba --gen-config</code>.</p>
-
 <h3><a id="sources" class="anchor" href="#sources">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Sources</h3>
-
 <p><strong>List of sources to run Ameba on can be configured globally via:</strong></p>
-
-<ul><li><code>Globs</code> section - an array of wildcards (or paths) to include to the
-  inspection. Defaults to <code>%w(**/*.cr !lib)</code>, meaning it includes all project
-  files with <code>*.cr</code> extension except those which exist in <code>lib</code> folder.</li><li><code>Excluded</code> section - an array of wildcards (or paths) to exclude from the
-  source list defined by <code>Globs</code>. Defaults to an empty array.</li></ul>
-
+<ul>
+<li><code>Globs</code> section - an array of wildcards (or paths) to include to the
+inspection. Defaults to <code>%w(**/*.cr !lib)</code>, meaning it includes all project
+files with <code>*.cr</code> extension except those which exist in <code>lib</code> folder.</li>
+<li><code>Excluded</code> section - an array of wildcards (or paths) to exclude from the
+source list defined by <code>Globs</code>. Defaults to an empty array.</li>
+</ul>
 <p>In this example we define default globs and exclude <code>src/compiler</code> folder:</p>
-
 <pre><code class="language-yaml">Globs:
   - **/*.cr
   - !lib
 
 Excluded:
   - src/compiler</code></pre>
-
 <p><strong>Specific sources can be excluded at rule level</strong>:</p>
-
 <pre><code class="language-yaml">Style/RedundantBegin:
   Excluded:
   - src/server/processor.cr
   - src/server/api.cr</code></pre>
-
 <h3><a id="rules" class="anchor" href="#rules">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Rules</h3>
-
 <p>One or more rules, or a one or more group of rules can be included or excluded
 via command line arguments:</p>
-
 <pre><code class="language-sh">$ ameba --only   Lint/Syntax # runs only Lint/Syntax rule
 $ ameba --only   Style,Lint  # runs only rules from Style and Lint groups
 $ ameba --except Lint/Syntax # runs all rules except Lint/Syntax
 $ ameba --except Style,Lint  # runs all rules except rules in Style and Lint groups</code></pre>
-
 <p>Or through the configuration file:</p>
-
 <pre><code class="language-yaml">Style/RedundantBegin:
   Enabled: false</code></pre>
-
 <h3><a id="explain-issues" class="anchor" href="#explain-issues">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Explain issues</h3>
-
 <p>Ameba allows you to dig deeper into an issue, by showing you details about the issue
 and the reasoning by it being reported.</p>
-
 <p>To be convenient, you can just copy-paste the <code>PATH:line:column</code> string from the
 report and paste behind the <code>ameba</code> command to check it out.</p>
-
 <pre><code class="language-sh">$ ameba crystal/command/format.cr:26:83           # show explanation for the issue
 $ ameba --explain crystal/command/format.cr:26:83 # same thing</code></pre>
-
 <h3><a id="inline-disabling" class="anchor" href="#inline-disabling">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Inline disabling</h3>
-
 <p>One or more rules or one or more group of rules can be disabled using inline directives:</p>
-
 <pre><code class="language-crystal"><span class="c"># ameba:disable Style/LargeNumbers</span>
 time <span class="o">=</span> <span class="t">Time</span>.epoch(<span class="n">1483859302</span>)
 
 time <span class="o">=</span> <span class="t">Time</span>.epoch(<span class="n">1483859302</span>) <span class="c"># ameba:disable Style/LargeNumbers, Lint/UselessAssign</span>
 
 time <span class="o">=</span> <span class="t">Time</span>.epoch(<span class="n">1483859302</span>) <span class="c"># ameba:disable Style, Lint</span></code></pre>
-
 <h2><a id="editors-integrations" class="anchor" href="#editors-integrations">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
-</a>Editors & integrations</h2>
-
-<ul><li>Vim: <a href="https://github.com/rhysd/vim-crystal">vim-crystal</a>, <a href="https://github.com/w0rp/ale">Ale</a></li><li>Emacs: <a href="https://github.com/crystal-ameba/ameba.el">ameba.el</a></li><li>Sublime Text: <a href="https://github.com/epergo/SublimeLinter-contrib-ameba">Sublime Linter Ameba</a></li><li>VSCode: <a href="https://github.com/crystal-ameba/vscode-crystal-ameba">vscode-crystal-ameba</a></li><li>Codacy: <a href="https://github.com/codacy/codacy-ameba">codacy-ameba</a></li><li>GitHub Actions: <a href="https://github.com/crystal-ameba/github-action">github-action</a></li></ul>
-
+</a>Editors &amp; integrations</h2>
+<ul>
+<li>Vim: <a href="https://github.com/rhysd/vim-crystal">vim-crystal</a>, <a href="https://github.com/w0rp/ale">Ale</a></li>
+<li>Emacs: <a href="https://github.com/crystal-ameba/ameba.el">ameba.el</a></li>
+<li>Sublime Text: <a href="https://github.com/epergo/SublimeLinter-contrib-ameba">Sublime Linter Ameba</a></li>
+<li>VSCode: <a href="https://github.com/crystal-ameba/vscode-crystal-ameba">vscode-crystal-ameba</a></li>
+<li>Codacy: <a href="https://github.com/codacy/codacy-ameba">codacy-ameba</a></li>
+<li>GitHub Actions: <a href="https://github.com/crystal-ameba/github-action">github-action</a></li>
+</ul>
 <h2><a id="credits-inspirations" class="anchor" href="#credits-inspirations">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
-</a>Credits & inspirations</h2>
-
-<ul><li><a href="https://crystal-lang.org">Crystal Language</a></li><li><a href="https://rubocop.readthedocs.io/en/latest/">Rubocop</a></li><li><a href="http://credo-ci.org/">Credo</a></li><li><a href="https://github.com/lpil/dogma">Dogma</a></li></ul>
-
+</a>Credits &amp; inspirations</h2>
+<ul>
+<li><a href="https://crystal-lang.org">Crystal Language</a></li>
+<li><a href="https://rubocop.readthedocs.io/en/latest/">Rubocop</a></li>
+<li><a href="http://credo-ci.org/">Credo</a></li>
+<li><a href="https://github.com/lpil/dogma">Dogma</a></li>
+</ul>
 <h2><a id="contributors" class="anchor" href="#contributors">
   <svg class="octicon-link" aria-hidden="true">
     <use href="#octicon-link"/>
   </svg>
 </a>Contributors</h2>
-
-<ul><li><a href="https://github.com/veelenga">veelenga</a> Vitalii Elenhaupt - creator, maintainer</li></ul>
+<ul>
+<li><a href="https://github.com/veelenga">veelenga</a> Vitalii Elenhaupt - creator, maintainer</li>
+</ul>
 </div>
 </body>
 </html>
diff --git a/index.json b/index.json
index 10d10d36..93e340e7 100644
--- a/index.json
+++ b/index.json
@@ -1 +1 @@
-{"repository_name":"ameba","body":"\n  \n  \n  \n  \n    \n      \n    \n  \n  \n    \n    \n    \n  \n  \n\n\n- [About](#about)\n- [Usage](#usage)\n  * [Watch a tutorial](#watch-a-tutorial)\n  * [Run in parallel](#run-in-parallel)\n- [Installation](#installation)\n  * [As a project dependency:](#as-a-project-dependency)\n  * [OS X](#os-x)\n  * [Docker](#docker)\n  * [From sources](#from-sources)\n- [Configuration](#configuration)\n  * [Sources](#sources)\n  * [Rules](#rules)\n  * [Explain issues](#explain-issues)\n  * [Inline disabling](#inline-disabling)\n- [Editors & integrations](#editors--integrations)\n- [Credits & inspirations](#credits--inspirations)\n- [Contributors](#contributors)\n\n## About\n\nAmeba is a static code analysis tool for the Crystal language.\nIt enforces a consistent [Crystal code style](https://crystal-lang.org/reference/conventions/coding_style.html),\nalso catches code smells and wrong code constructions.\n\nSee also [Roadmap](https://github.com/crystal-ameba/ameba/wiki).\n\n## Usage\n\nRun `ameba` binary within your project directory to catch code issues:\n\n```sh\n$ ameba\nInspecting 107 files\n\n...............F.....................F....................................................................\n\nsrc/ameba/formatter/flycheck_formatter.cr:4:33\n[W] Lint/UnusedArgument: Unused argument `location`\n> source.issues.each do |e, location|\n                            ^\n\nsrc/ameba/formatter/base_formatter.cr:12:7\n[W] Lint/UselessAssign: Useless assignment to variable `s`\n> return s += issues.size\n         ^\n\nFinished in 542.64 milliseconds\n129 inspected, 2 failures\n```\n\n### Watch a tutorial\n\n\n\n[🎬 Watch the LuckyCast showing how to use Ameba](https://luckycasts.com/videos/ameba)\n\n### Run in parallel\n\nStarting from 0.31.0 Crystal [supports parallelism](https://crystal-lang.org/2019/09/06/parallelism-in-crystal.html).\nIt allows to run linting in parallel too.\nIn order to take advantage of this feature you need to build ameba with preview_mt support:\n\n```sh\n$ crystal build src/cli.cr -Dpreview_mt -o bin/ameba\n$ make install\n```\n\nSome quick benchmark results measured while running Ameba on Crystal repo:\n\n```sh\n$ CRYSTAL_WORKERS=1 ameba #=> 29.11 seconds\n$ CRYSTAL_WORKERS=2 ameba #=> 19.49 seconds\n$ CRYSTAL_WORKERS=4 ameba #=> 13.48 seconds\n$ CRYSTAL_WORKERS=8 ameba #=> 10.14 seconds\n```\n\n## Installation\n\n### As a project dependency:\n\nAdd this to your application's `shard.yml`:\n\n```yaml\ndevelopment_dependencies:\n  ameba:\n    github: crystal-ameba/ameba\n    version: ~> 0.13.0\n```\n\nBuild `bin/ameba` binary within your project directory while running `shards install`.\n\nYou may also want to use it on [Travis](travis-ci.org):\n\n```yaml\n# .travis.yml\nlanguage: crystal\ninstall:\n  - shards install\nscript:\n  - crystal spec\n  - crystal bin/ameba.cr\n```\n\nUsing this config Ameba will inspect files just after the specs run. Travis will also fail\nthe build if some problems detected.\n\n### OS X\n\n```sh\n$ brew tap veelenga/tap\n$ brew install ameba\n```\n\n### Docker\n\nBuild the image:\n\n```sh\n$ docker build -t crystal-ameba/ameba .\n```\n\nTo use the resulting image on a local source folder, mount the current (or target) directory into `/src`:\n\n```sh\n$ docker run -v $(pwd):/src crystal-ameba/ameba\n```\n\nAlso available on DockerHub: https://hub.docker.com/r/veelenga/ameba\n\n### From sources\n\n```sh\n$ git clone https://github.com/crystal-ameba/ameba && cd ameba\n$ make install\n```\n\n## Configuration\n\nDefault configuration file is `.ameba.yml`.\nIt allows to configure rule properties, disable specific rules and exclude sources from the rules.\n\nGenerate new file by running `ameba --gen-config`.\n\n### Sources\n\n**List of sources to run Ameba on can be configured globally via:**\n\n- `Globs` section - an array of wildcards (or paths) to include to the\n  inspection. Defaults to `%w(**/*.cr !lib)`, meaning it includes all project\n  files with `*.cr` extension except those which exist in `lib` folder.\n- `Excluded` section - an array of wildcards (or paths) to exclude from the\n  source list defined by `Globs`. Defaults to an empty array.\n\nIn this example we define default globs and exclude `src/compiler` folder:\n\n``` yaml\nGlobs:\n  - **/*.cr\n  - !lib\n\nExcluded:\n  - src/compiler\n```\n\n**Specific sources can be excluded at rule level**:\n\n``` yaml\nStyle/RedundantBegin:\n  Excluded:\n  - src/server/processor.cr\n  - src/server/api.cr\n```\n\n### Rules\n\nOne or more rules, or a one or more group of rules can be included or excluded\nvia command line arguments:\n\n```sh\n$ ameba --only   Lint/Syntax # runs only Lint/Syntax rule\n$ ameba --only   Style,Lint  # runs only rules from Style and Lint groups\n$ ameba --except Lint/Syntax # runs all rules except Lint/Syntax\n$ ameba --except Style,Lint  # runs all rules except rules in Style and Lint groups\n```\n\nOr through the configuration file:\n\n``` yaml\nStyle/RedundantBegin:\n  Enabled: false\n```\n\n### Explain issues\n\nAmeba allows you to dig deeper into an issue, by showing you details about the issue\nand the reasoning by it being reported.\n\nTo be convenient, you can just copy-paste the `PATH:line:column` string from the\nreport and paste behind the `ameba` command to check it out.\n\n```sh\n$ ameba crystal/command/format.cr:26:83           # show explanation for the issue\n$ ameba --explain crystal/command/format.cr:26:83 # same thing\n```\n\n### Inline disabling\n\nOne or more rules or one or more group of rules can be disabled using inline directives:\n\n```crystal\n# ameba:disable Style/LargeNumbers\ntime = Time.epoch(1483859302)\n\ntime = Time.epoch(1483859302) # ameba:disable Style/LargeNumbers, Lint/UselessAssign\n\ntime = Time.epoch(1483859302) # ameba:disable Style, Lint\n```\n\n## Editors & integrations\n\n * Vim: [vim-crystal](https://github.com/rhysd/vim-crystal), [Ale](https://github.com/w0rp/ale)\n * Emacs: [ameba.el](https://github.com/crystal-ameba/ameba.el)\n * Sublime Text: [Sublime Linter Ameba](https://github.com/epergo/SublimeLinter-contrib-ameba)\n * VSCode: [vscode-crystal-ameba](https://github.com/crystal-ameba/vscode-crystal-ameba)\n * Codacy: [codacy-ameba](https://github.com/codacy/codacy-ameba)\n * GitHub Actions: [github-action](https://github.com/crystal-ameba/github-action)\n\n## Credits & inspirations\n\n- [Crystal Language](https://crystal-lang.org)\n- [Rubocop](https://rubocop.readthedocs.io/en/latest/)\n- [Credo](http://credo-ci.org/)\n- [Dogma](https://github.com/lpil/dogma)\n\n## Contributors\n\n- [veelenga](https://github.com/veelenga) Vitalii Elenhaupt - creator, maintainer\n","program":{"html_id":"ameba/toplevel","path":"toplevel.html","kind":"module","full_name":"Top Level Namespace","name":"Top Level 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class=\"n\">nil</span>)","location":{"filename":"src/ameba/config.cr","line_number":137,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/config.cr#L137"},"def":{"name":"update_rule","args":[{"name":"name","doc":null,"default_value":"","external_name":"name","restriction":""},{"name":"enabled","doc":null,"default_value":"true","external_name":"enabled","restriction":""},{"name":"excluded","doc":null,"default_value":"nil","external_name":"excluded","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"rule = @rules.find do |__arg2|\n  __arg2.name == name\nend\nif rule\nelse\n  raise(ArgumentError.new(\"Rule `#{name}` does not exist\"))\nend\nrule.tap(&.enabled = enabled).tap(&.excluded = excluded)\n"}},{"id":"update_rules(names,enabled=true,excluded=nil)-instance-method","html_id":"update_rules(names,enabled=true,excluded=nil)-instance-method","name":"update_rules","doc":"Updates rules 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end\nend)"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter","path":"Ameba/Formatter.html","kind":"module","full_name":"Ameba::Formatter","name":"Formatter","abstract":false,"superclass":null,"ancestors":[],"locations":[{"filename":"src/ameba/formatter/base_formatter.cr","line_number":4,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L4"},{"filename":"src/ameba/formatter/disabled_formatter.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/disabled_formatter.cr#L1"},{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L3"},{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L3"},{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L1"},{"filename":"src/ameba/formatter/json_formatter.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L3"},{"filename":"src/ameba/formatter/todo_formatter.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L1"},{"filename":"src/ameba/formatter/util.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L1"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"A 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<a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/base_formatter.cr","line_number":26,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L26"},"def":{"name":"source_started","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":""}},{"id":"started(sources)-instance-method","html_id":"started(sources)-instance-method","name":"started","doc":"Callback that indicates when inspecting is started.\nA list of sources to inspect is passed as an argument.","summary":"<p>Callback that indicates when inspecting is 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end\nend\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/DotFormatter","path":"Ameba/Formatter/DotFormatter.html","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"}],"extended_modules":[],"subclasses":[{"html_id":"ameba/Ameba/Formatter/TODOFormatter","kind":"class","full_name":"Ameba::Formatter::TODOFormatter","name":"TODOFormatter"}],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that shows a progress of inspection in a terminal using dots.\nIt is similar to Crystal's dot formatter for specs.","summary":"<p>A formatter that shows a progress of inspection in a terminal using dots.</p>","class_methods":[],"constructors":[],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports a message when inspection is finished.","summary":"<p>Reports a message when inspection is finished.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":27,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L27"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"output.flush\noutput << \"\\n\\n\"\nshow_affected_code = !config[:without_affected_code]?\nfailed_sources = sources.reject(&.valid?)\nfailed_sources.each do |source|\n  source.issues.each do |issue|\n    if issue.disabled?\n      next\n    end\n    if (    location = issue.location).nil?\n      next\n    end\n    output.puts(location.colorize(:cyan))\n    output.puts(\"[#{issue.rule.severity.symbol}] #{issue.rule.name}: #{issue.message}\".colorize(:red))\n    if show_affected_code && (code = affected_code(source, location, issue.end_location))\n      output << (code.colorize(:default))\n    end\n    output.puts\n  end\nend\noutput.puts(finished_in_message(@started_at, Time.monotonic))\noutput.puts(final_message(sources, failed_sources))\n"}},{"id":"source_finished(source:Source)-instance-method","html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Reports a result of the inspection of a corresponding source.","summary":"<p>Reports a result of the inspection of a corresponding source.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":21,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L21"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"sym = source.valid? ? \".\".colorize(:green) : \"F\".colorize(:red)\n@mutex.synchronize do\n  output << sym\nend\n"}},{"id":"started(sources)-instance-method","html_id":"started(sources)-instance-method","name":"started","doc":"Reports a message when inspection is started.","summary":"<p>Reports a message when inspection is started.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":13,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L13"},"def":{"name":"started","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"@started_at = Time.monotonic\noutput.puts(started_message(sources.size))\noutput.puts\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/ExplainFormatter","path":"Ameba/Formatter/ExplainFormatter.html","kind":"class","full_name":"Ameba::Formatter::ExplainFormatter","name":"ExplainFormatter","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"HEADING","name":"HEADING","value":"\"## \"","doc":null,"summary":null},{"id":"PREFIX","name":"PREFIX","value":"\" \"","doc":null,"summary":null}],"included_modules":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"}],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that shows the detailed explanation of the issue at\na specific location.","summary":"<p>A formatter that shows the detailed explanation of the issue at a specific location.</p>","class_methods":[],"constructors":[{"id":"new(output,location)-class-method","html_id":"new(output,location)-class-method","name":"new","doc":"Creates a new instance of ExplainFormatter.\nAccepts *output* which indicates the io where the explanation will be wrtitten to.\nSecond argument is *location* which indicates the location to explain.\n\n```\nExplainFormatter.new output,\n  {file: path, line: line_number, column: column_number}\n```","summary":"<p>Creates a new instance of ExplainFormatter.</p>","abstract":false,"args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"args_string":"(output, location)","args_html":"(output, location)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":23,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L23"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output, location)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports the explainations at the *@location*.","summary":"<p>Reports the explainations at the <em>@location</em>.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":28,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L28"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source = sources.find do |__arg0|\n  __arg0.path == @location.filename\nend\nif source\nelse\n  return\nend\nissue = source.issues.find do |__arg1|\n  __arg1.location == @location\nend\nif issue\nelse\n  return\nend\nexplain(source, issue)\n"}},{"id":"location:Crystal::Location-instance-method","html_id":"location:Crystal::Location-instance-method","name":"location","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : Crystal::Location","args_html":" : Crystal::Location","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":13,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L13"},"def":{"name":"location","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Crystal::Location","visibility":"Public","body":"@location"}},{"id":"output:IO::FileDescriptor|IO::Memory-instance-method","html_id":"output:IO::FileDescriptor|IO::Memory-instance-method","name":"output","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : IO::FileDescriptor | IO::Memory","args_html":" : IO::FileDescriptor | IO::Memory","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":12,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L12"},"def":{"name":"output","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"IO::FileDescriptor | IO::Memory","visibility":"Public","body":"@output"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/FlycheckFormatter","path":"Ameba/Formatter/FlycheckFormatter.html","kind":"class","full_name":"Ameba::Formatter::FlycheckFormatter","name":"FlycheckFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":2,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L2"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":null,"summary":null,"class_methods":[],"constructors":[],"instance_methods":[{"id":"source_finished(source:Source)-instance-method","html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Callback that indicates when source inspection is finished.\nA corresponding source is passed as an argument.","summary":"<p>Callback that indicates when source inspection is finished.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L5"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source.issues.each do |e|\n  if e.disabled?\n    next\n  end\n  if loc = e.location\n    @mutex.synchronize do\n      output.printf(\"%s:%d:%d: %s: [%s] %s\\n\", source.path, loc.line_number, loc.column_number, e.rule.severity.symbol, e.rule.name, e.message.gsub('\\n', \" \"))\n    end\n  end\nend"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/JSONFormatter","path":"Ameba/Formatter/JSONFormatter.html","kind":"class","full_name":"Ameba::Formatter::JSONFormatter","name":"JSONFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/json_formatter.cr","line_number":66,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L66"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that produces the result in a json format.\n\nExample:\n\n```\n{\n  \"metadata\": {\n    \"ameba_version\":   \"x.x.x\",\n    \"crystal_version\": \"x.x.x\",\n  },\n  \"sources\": [\n    {\n      \"issues\": [\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   17,\n          },\n          \"end_location\": {\n            \"column\": 20,\n            \"line\":   17,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   18,\n          },\n          \"end_location\": {\n            \"column\": 8,\n            \"line\":   18,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   19,\n          },\n          \"end_location\": {\n            \"column\": 9,\n            \"line\":   19,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n      ],\n      \"path\": \"src/ameba/formatter/json_formatter.cr\",\n    },\n  ],\n  \"summary\": {\n    \"issues_count\":         3,\n    \"target_sources_count\": 1,\n  },\n}\n```\n","summary":"<p>A formatter that produces the result in a json format.</p>","class_methods":[],"constructors":[{"id":"new(output=STDOUT)-class-method","html_id":"new(output=STDOUT)-class-method","name":"new","doc":null,"summary":null,"abstract":false,"args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"args_string":"(output = <span class=\"t\">STDOUT</span>)","args_html":"(output = <span class=\"t\">STDOUT</span>)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":67,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L67"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Callback that indicates when inspection is finished.\nA list of inspected sources is passed as an argument.","summary":"<p>Callback that indicates when inspection is finished.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":87,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L87"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"@result.to_json(@output)"}},{"id":"source_finished(source:Source)-instance-method","html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Callback that indicates when source inspection is finished.\nA corresponding source is passed as an argument.","summary":"<p>Callback that indicates when source inspection is finished.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":75,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L75"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"json_source = AsJSON::Source.new(source.path)\nsource.issues.each do |e|\n  if e.disabled?\n    next\n  end\n  json_source.issues << (AsJSON::Issue.new(e.rule.name, e.rule.severity.to_s, e.location, e.end_location, e.message))\n  __temp_28 = @result.summary\n  __temp_28.issues_count = __temp_28.issues_count + 1\nend\n@result.sources << json_source\n"}},{"id":"started(sources)-instance-method","html_id":"started(sources)-instance-method","name":"started","doc":"Callback that indicates when inspecting is started.\nA list of sources to inspect is passed as an argument.","summary":"<p>Callback that indicates when inspecting is started.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":71,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L71"},"def":{"name":"started","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"@result.summary.target_sources_count = sources.size"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/TODOFormatter","path":"Ameba/Formatter/TODOFormatter.html","kind":"class","full_name":"Ameba::Formatter::TODOFormatter","name":"TODOFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/DotFormatter","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/DotFormatter","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter"},{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/todo_formatter.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L5"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that creates a todo config.\nBasically, it takes all issues reported and disables corresponding rules\nor excludes failed sources from these rules.","summary":"<p>A formatter that creates a todo config.</p>","class_methods":[],"constructors":[{"id":"new(output=STDOUT)-class-method","html_id":"new(output=STDOUT)-class-method","name":"new","doc":null,"summary":null,"abstract":false,"args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"args_string":"(output = <span class=\"t\">STDOUT</span>)","args_html":"(output = <span class=\"t\">STDOUT</span>)","location":{"filename":"src/ameba/formatter/todo_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L6"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports a message when inspection is finished.","summary":"<p>Reports a message when inspection is finished.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/todo_formatter.cr","line_number":9,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L9"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"super(sources)\nissues = sources.flat_map(&.issues)\nif issues.any? do |issue|\n  !issue.disabled?\nend\nelse\n  @output.puts(\"No issues found. File is not generated.\")\n  return\nend\nif issues.any?(&.syntax?)\n  @output.puts(\"Unable to generate TODO file. Please fix syntax issues.\")\n  return\nend\nfile = generate_todo_config(issues)\n@output.puts(\"Created #{file.path}\")\nfile\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/Util","path":"Ameba/Formatter/Util.html","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util","abstract":false,"superclass":null,"ancestors":[],"locations":[{"filename":"src/ameba/formatter/util.cr","line_number":2,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L2"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[{"html_id":"ameba/Ameba/Formatter/DotFormatter","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter"},{"html_id":"ameba/Ameba/Formatter/ExplainFormatter","kind":"class","full_name":"Ameba::Formatter::ExplainFormatter","name":"ExplainFormatter"}],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":null,"summary":null,"class_methods":[],"constructors":[],"instance_methods":[{"id":"affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method","html_id":"affected_code(source,location,end_location=nil,context_lines=0,max_length=120,ellipsis=&quot;...&quot;,prompt=&quot;&gt;&quot;)-instance-method","name":"affected_code","doc":null,"summary":null,"abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"end_location","doc":null,"default_value":"nil","external_name":"end_location","restriction":""},{"name":"context_lines","doc":null,"default_value":"0","external_name":"context_lines","restriction":""},{"name":"max_length","doc":null,"default_value":"120","external_name":"max_length","restriction":""},{"name":"ellipsis","doc":null,"default_value":"\" ...\"","external_name":"ellipsis","restriction":""},{"name":"prompt","doc":null,"default_value":"\"> \"","external_name":"prompt","restriction":""}],"args_string":"(source, location, end_location = <span class=\"n\">nil</span>, context_lines = <span class=\"n\">0</span>, max_length = <span class=\"n\">120</span>, ellipsis = <span class=\"s\">&quot; ...&quot;</span>, prompt = <span class=\"s\">&quot;&gt; &quot;</span>)","args_html":"(source, location, end_location = <span class=\"n\">nil</span>, context_lines = <span class=\"n\">0</span>, max_length = <span class=\"n\">120</span>, ellipsis = <span class=\"s\">&quot; ...&quot;</span>, prompt = <span class=\"s\">&quot;&gt; &quot;</span>)","location":{"filename":"src/ameba/formatter/util.cr","line_number":43,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L43"},"def":{"name":"affected_code","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"end_location","doc":null,"default_value":"nil","external_name":"end_location","restriction":""},{"name":"context_lines","doc":null,"default_value":"0","external_name":"context_lines","restriction":""},{"name":"max_length","doc":null,"default_value":"120","external_name":"max_length","restriction":""},{"name":"ellipsis","doc":null,"default_value":"\" ...\"","external_name":"ellipsis","restriction":""},{"name":"prompt","doc":null,"default_value":"\"> \"","external_name":"prompt","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"lines = source.lines\nlineno, column = location.line_number, location.column_number\nif affected_line = lines[lineno - 1]?.presence\nelse\n  return\nend\nif column < max_length\n  affected_line = trim(affected_line, max_length, ellipsis)\nend\nshow_context = context_lines > 0\nif show_context\n  pre_context, post_context = context(lines, lineno, context_lines)\n  position = prompt.size + column\n  position = position - 1\nelse\n  affected_line_size, affected_line = affected_line.size, affected_line.lstrip\n  position = (column - (affected_line_size - affected_line.size)) + prompt.size\n  position = position - 1\nend\nString.build do |str|\n  if show_context\n    pre_context.try(&.each do |line|\n      line = trim(line, max_length, ellipsis)\n      str << prompt\n      str.puts(line.colorize(:dark_gray))\n    end)\n  end\n  str << prompt\n  str.puts(affected_line.colorize(:white))\n  str << (\" \" * position)\n  str << (\"^\".colorize(:yellow))\n  if end_location\n    end_lineno = end_location.line_number\n    end_column = end_location.column_number\n    if (end_lineno == lineno) && end_column > column\n      end_position = end_column - column\n      end_position = end_position - 1\n      str << ((\"-\" * end_position).colorize(:dark_gray))\n      str << (\"^\".colorize(:yellow))\n    end\n  end\n  str.puts\n  if show_context\n    post_context.try(&.each do |line|\n      line = trim(line, max_length, ellipsis)\n      str << prompt\n      str.puts(line.colorize(:dark_gray))\n    end)\n  end\nend\n"}},{"id":"context(lines,lineno,context_lines=3,remove_empty=true)-instance-method","html_id":"context(lines,lineno,context_lines=3,remove_empty=true)-instance-method","name":"context","doc":null,"summary":null,"abstract":false,"args":[{"name":"lines","doc":null,"default_value":"","external_name":"lines","restriction":""},{"name":"lineno","doc":null,"default_value":"","external_name":"lineno","restriction":""},{"name":"context_lines","doc":null,"default_value":"3","external_name":"context_lines","restriction":""},{"name":"remove_empty","doc":null,"default_value":"true","external_name":"remove_empty","restriction":""}],"args_string":"(lines, lineno, context_lines = <span class=\"n\">3</span>, remove_empty = <span class=\"n\">true</span>)","args_html":"(lines, lineno, context_lines = <span class=\"n\">3</span>, remove_empty = <span class=\"n\">true</span>)","location":{"filename":"src/ameba/formatter/util.cr","line_number":17,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L17"},"def":{"name":"context","args":[{"name":"lines","doc":null,"default_value":"","external_name":"lines","restriction":""},{"name":"lineno","doc":null,"default_value":"","external_name":"lineno","restriction":""},{"name":"context_lines","doc":null,"default_value":"3","external_name":"context_lines","restriction":""},{"name":"remove_empty","doc":null,"default_value":"true","external_name":"remove_empty","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"pre_context, post_context = [] of ::String, [] of ::String\nlines.each_with_index do |line, i|\n  case i + 1\n  when (lineno - context_lines)...lineno\n    pre_context << line\n  when (lineno + 1)..(lineno + context_lines)\n    post_context << line\n  end\nend\nif remove_empty\n  while pre_context.first?.try(&.blank?)\n    pre_context.shift\n  end\n  while post_context.last?.try(&.blank?)\n    post_context.pop\n  end\nend\n{pre_context, post_context}\n"}},{"id":"deansify(message:String?):String?-instance-method","html_id":"deansify(message:String?):String?-instance-method","name":"deansify","doc":null,"summary":null,"abstract":false,"args":[{"name":"message","doc":null,"default_value":"","external_name":"message","restriction":"String | ::Nil"}],"args_string":"(message : String?) : String?","args_html":"(message : String?) : String?","location":{"filename":"src/ameba/formatter/util.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L3"},"def":{"name":"deansify","args":[{"name":"message","doc":null,"default_value":"","external_name":"message","restriction":"String | ::Nil"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"String | ::Nil","visibility":"Public","body":"message.try do |__arg0|\n  (__arg0.gsub(/\\x1b[^m]*m/, \"\")).presence\nend"}},{"id":"trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method","html_id":"trim(str,max_length=120,ellipsis=&quot;...&quot;)-instance-method","name":"trim","doc":null,"summary":null,"abstract":false,"args":[{"name":"str","doc":null,"default_value":"","external_name":"str","restriction":""},{"name":"max_length","doc":null,"default_value":"120","external_name":"max_length","restriction":""},{"name":"ellipsis","doc":null,"default_value":"\" ...\"","external_name":"ellipsis","restriction":""}],"args_string":"(str, max_length = <span class=\"n\">120</span>, ellipsis = <span class=\"s\">&quot; ...&quot;</span>)","args_html":"(str, max_length = <span class=\"n\">120</span>, ellipsis = <span class=\"s\">&quot; ...&quot;</span>)","location":{"filename":"src/ameba/formatter/util.cr","line_number":7,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L7"},"def":{"name":"trim","args":[{"name":"str","doc":null,"default_value":"","external_name":"str","restriction":""},{"name":"max_length","doc":null,"default_value":"120","external_name":"max_length","restriction":""},{"name":"ellipsis","doc":null,"default_value":"\" ...\"","external_name":"ellipsis","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if (str.size - ellipsis.size) > max_length\n  str = str[0, max_length]\n  if str.size > ellipsis.size\n    str = str[0...(-ellipsis.size)] + ellipsis\n  end\nend\nstr\n"}}],"macros":[],"types":[]}]},{"html_id":"ameba/Ameba/GlobUtils","path":"Ameba/GlobUtils.html","kind":"module","full_name":"Ameba::GlobUtils","name":"GlobUtils","abstract":false,"superclass":null,"ancestors":[],"locations":[{"filename":"src/ameba/glob_utils.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L3"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[{"html_id":"ameba/Ameba/Config","kind":"class","full_name":"Ameba::Config","name":"Config"}],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"Helper module that is utilizes helpers for working with globs.","summary":"<p>Helper module that is utilizes helpers for working with globs.</p>","class_methods":[],"constructors":[],"instance_methods":[{"id":"expand(globs)-instance-method","html_id":"expand(globs)-instance-method","name":"expand","doc":"Expands globs. Globs can point to files or even directories.\n\n```\nexpand([\"spec/*.cr\", \"src\"]) # => all files in src folder + first level specs\n```","summary":"<p>Expands globs.</p>","abstract":false,"args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"args_string":"(globs)","args_html":"(globs)","location":{"filename":"src/ameba/glob_utils.cr","line_number":22,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L22"},"def":{"name":"expand","args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"globs.flat_map do |glob|\n  if File.directory?(glob)\n    glob = glob + \"/**/*.cr\"\n  end\n  Dir[glob]\nend.uniq!"}},{"id":"find_files_by_globs(globs)-instance-method","html_id":"find_files_by_globs(globs)-instance-method","name":"find_files_by_globs","doc":"Returns all files that match specified globs.\nGlobs can have wildcards or be rejected:\n\n```\nfind_files_by_globs([\"**/*.cr\", \"!lib\"])\n```","summary":"<p>Returns all files that match specified globs.</p>","abstract":false,"args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"args_string":"(globs)","args_html":"(globs)","location":{"filename":"src/ameba/glob_utils.cr","line_number":10,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L10"},"def":{"name":"find_files_by_globs","args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"rejected = rejected_globs(globs)\nselected = globs - rejected\n(expand(selected)) - (expand(rejected.map!(&.[](1..-1))))\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/InlineComments","path":"Ameba/InlineComments.html","kind":"module","full_name":"Ameba::InlineComments","name":"InlineComments","abstract":false,"superclass":null,"ancestors":[],"locations":[{"filename":"src/ameba/inline_comments.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L3"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"COMMENT_DIRECTIVE_REGEX","name":"COMMENT_DIRECTIVE_REGEX","value":"/# ameba:(?<action>\\w+) (?<rules>\\w+(?:\\/\\w+)?(?:,? \\w+(?:\\/\\w+)?)*)/","doc":null,"summary":null}],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[{"html_id":"ameba/Ameba/Source","kind":"class","full_name":"Ameba::Source","name":"Source"}],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"A module that utilizes inline comments parsing and processing logic.","summary":"<p>A module that utilizes inline comments parsing and processing logic.</p>","class_methods":[],"constructors":[],"instance_methods":[{"id":"comment?(line_number:Int32)-instance-method","html_id":"comment?(line_number:Int32)-instance-method","name":"comment?","doc":"Returns true if the line at the given `line_number` is a comment.","summary":"<p>Returns true if the line at the given <code>line_number</code> is a comment.</p>","abstract":false,"args":[{"name":"line_number","doc":null,"default_value":"","external_name":"line_number","restriction":"Int32"}],"args_string":"(line_number : Int32)","args_html":"(line_number : Int32)","location":{"filename":"src/ameba/inline_comments.cr","line_number":78,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L78"},"def":{"name":"comment?","args":[{"name":"line_number","doc":null,"default_value":"","external_name":"line_number","restriction":"Int32"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if line = lines[line_number]?\n  comment?(line)\nend"}},{"id":"location_disabled?(location,rule)-instance-method","html_id":"location_disabled?(location,rule)-instance-method","name":"location_disabled?","doc":"Returns true if current location is disabled for a particular rule,\nfalse otherwise.\n\nLocation is disabled in two cases:\n  1. The line of the location ends with a comment directive.\n  2. The line above the location is a comment directive.\n\nFor example, here are two examples of disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\nTime.epoch(1483859302)\n\nTime.epoch(1483859302) # ameba:disable Style/LargeNumbers\n```\n\nBut here are examples which are not considered as disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\n#\nTime.epoch(1483859302)\n\nif use_epoch? # ameba:disable Style/LargeNumbers\n  Time.epoch(1483859302)\nend\n```","summary":"<p>Returns true if current location is disabled for a particular rule, false otherwise.</p>","abstract":false,"args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"args_string":"(location, rule)","args_html":"(location, rule)","location":{"filename":"src/ameba/inline_comments.cr","line_number":39,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L39"},"def":{"name":"location_disabled?","args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if rule.name.in?(Rule::SPECIAL)\n  return false\nend\nif line_number = location.try do |__arg0|\n  __arg0.line_number.try(&.-(1))\nend\nelse\n  return false\nend\nif line = lines[line_number]?\nelse\n  return false\nend\n(line_disabled?(line, rule)) || (((line_number > 0 && (prev_line = lines[line_number - 1])) && (comment?(prev_line))) && (line_disabled?(prev_line, rule)))\n"}},{"id":"parse_inline_directive(line)-instance-method","html_id":"parse_inline_directive(line)-instance-method","name":"parse_inline_directive","doc":"Parses inline comment directive. 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directive.</p>","abstract":false,"args":[{"name":"line","doc":null,"default_value":"","external_name":"line","restriction":""}],"args_string":"(line)","args_html":"(line)","location":{"filename":"src/ameba/inline_comments.cr","line_number":67,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L67"},"def":{"name":"parse_inline_directive","args":[{"name":"line","doc":null,"default_value":"","external_name":"line","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if directive = COMMENT_DIRECTIVE_REGEX.match(line)\n  if commented_out?(line.gsub(directive[0], \"\"))\n    return\n  end\n  {action: directive[\"action\"], rules: directive[\"rules\"].split(/[\\s,]/, remove_empty: 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+{"repository_name":"ameba","body":"\n  \n  \n  \n  \n    \n      \n    \n  \n  \n    \n    \n    \n  \n  \n\n\n- [About](#about)\n- [Usage](#usage)\n  * [Watch a tutorial](#watch-a-tutorial)\n  * [Run in parallel](#run-in-parallel)\n- [Installation](#installation)\n  * [As a project dependency:](#as-a-project-dependency)\n  * [OS X](#os-x)\n  * [Docker](#docker)\n  * [From sources](#from-sources)\n- [Configuration](#configuration)\n  * [Sources](#sources)\n  * [Rules](#rules)\n  * [Explain issues](#explain-issues)\n  * [Inline disabling](#inline-disabling)\n- [Editors & integrations](#editors--integrations)\n- [Credits & inspirations](#credits--inspirations)\n- [Contributors](#contributors)\n\n## About\n\nAmeba is a static code analysis tool for the Crystal language.\nIt enforces a consistent [Crystal code style](https://crystal-lang.org/reference/conventions/coding_style.html),\nalso catches code smells and wrong code constructions.\n\nSee also [Roadmap](https://github.com/crystal-ameba/ameba/wiki).\n\n## Usage\n\nRun `ameba` binary within your project directory to catch code issues:\n\n```sh\n$ ameba\nInspecting 107 files\n\n...............F.....................F....................................................................\n\nsrc/ameba/formatter/flycheck_formatter.cr:4:33\n[W] Lint/UnusedArgument: Unused argument `location`\n> source.issues.each do |e, location|\n                            ^\n\nsrc/ameba/formatter/base_formatter.cr:12:7\n[W] Lint/UselessAssign: Useless assignment to variable `s`\n> return s += issues.size\n         ^\n\nFinished in 542.64 milliseconds\n129 inspected, 2 failures\n```\n\n### Watch a tutorial\n\n\n\n[🎬 Watch the LuckyCast showing how to use Ameba](https://luckycasts.com/videos/ameba)\n\n### Run in parallel\n\nStarting from 0.31.0 Crystal [supports parallelism](https://crystal-lang.org/2019/09/06/parallelism-in-crystal.html).\nIt allows to run linting in parallel too.\nIn order to take advantage of this feature you need to build ameba with preview_mt support:\n\n```sh\n$ crystal build src/cli.cr -Dpreview_mt -o bin/ameba\n$ make install\n```\n\nSome quick benchmark results measured while running Ameba on Crystal repo:\n\n```sh\n$ CRYSTAL_WORKERS=1 ameba #=> 29.11 seconds\n$ CRYSTAL_WORKERS=2 ameba #=> 19.49 seconds\n$ CRYSTAL_WORKERS=4 ameba #=> 13.48 seconds\n$ CRYSTAL_WORKERS=8 ameba #=> 10.14 seconds\n```\n\n## Installation\n\n### As a project dependency:\n\nAdd this to your application's `shard.yml`:\n\n```yaml\ndevelopment_dependencies:\n  ameba:\n    github: crystal-ameba/ameba\n    version: ~> 0.13.0\n```\n\nBuild `bin/ameba` binary within your project directory while running `shards install`.\n\nYou may also want to use it on [Travis](travis-ci.org):\n\n```yaml\n# .travis.yml\nlanguage: crystal\ninstall:\n  - shards install\nscript:\n  - crystal spec\n  - crystal bin/ameba.cr\n```\n\nUsing this config Ameba will inspect files just after the specs run. Travis will also fail\nthe build if some problems detected.\n\n### OS X\n\n```sh\n$ brew tap veelenga/tap\n$ brew install ameba\n```\n\n### Docker\n\nBuild the image:\n\n```sh\n$ docker build -t crystal-ameba/ameba .\n```\n\nTo use the resulting image on a local source folder, mount the current (or target) directory into `/src`:\n\n```sh\n$ docker run -v $(pwd):/src crystal-ameba/ameba\n```\n\nAlso available on DockerHub: https://hub.docker.com/r/veelenga/ameba\n\n### From sources\n\n```sh\n$ git clone https://github.com/crystal-ameba/ameba && cd ameba\n$ make install\n```\n\n## Configuration\n\nDefault configuration file is `.ameba.yml`.\nIt allows to configure rule properties, disable specific rules and exclude sources from the rules.\n\nGenerate new file by running `ameba --gen-config`.\n\n### Sources\n\n**List of sources to run Ameba on can be configured globally via:**\n\n- `Globs` section - an array of wildcards (or paths) to include to the\n  inspection. Defaults to `%w(**/*.cr !lib)`, meaning it includes all project\n  files with `*.cr` extension except those which exist in `lib` folder.\n- `Excluded` section - an array of wildcards (or paths) to exclude from the\n  source list defined by `Globs`. Defaults to an empty array.\n\nIn this example we define default globs and exclude `src/compiler` folder:\n\n``` yaml\nGlobs:\n  - **/*.cr\n  - !lib\n\nExcluded:\n  - src/compiler\n```\n\n**Specific sources can be excluded at rule level**:\n\n``` yaml\nStyle/RedundantBegin:\n  Excluded:\n  - src/server/processor.cr\n  - src/server/api.cr\n```\n\n### Rules\n\nOne or more rules, or a one or more group of rules can be included or excluded\nvia command line arguments:\n\n```sh\n$ ameba --only   Lint/Syntax # runs only Lint/Syntax rule\n$ ameba --only   Style,Lint  # runs only rules from Style and Lint groups\n$ ameba --except Lint/Syntax # runs all rules except Lint/Syntax\n$ ameba --except Style,Lint  # runs all rules except rules in Style and Lint groups\n```\n\nOr through the configuration file:\n\n``` yaml\nStyle/RedundantBegin:\n  Enabled: false\n```\n\n### Explain issues\n\nAmeba allows you to dig deeper into an issue, by showing you details about the issue\nand the reasoning by it being reported.\n\nTo be convenient, you can just copy-paste the `PATH:line:column` string from the\nreport and paste behind the `ameba` command to check it out.\n\n```sh\n$ ameba crystal/command/format.cr:26:83           # show explanation for the issue\n$ ameba --explain crystal/command/format.cr:26:83 # same thing\n```\n\n### Inline disabling\n\nOne or more rules or one or more group of rules can be disabled using inline directives:\n\n```crystal\n# ameba:disable Style/LargeNumbers\ntime = Time.epoch(1483859302)\n\ntime = Time.epoch(1483859302) # ameba:disable Style/LargeNumbers, Lint/UselessAssign\n\ntime = Time.epoch(1483859302) # ameba:disable Style, Lint\n```\n\n## Editors & integrations\n\n * Vim: [vim-crystal](https://github.com/rhysd/vim-crystal), [Ale](https://github.com/w0rp/ale)\n * Emacs: [ameba.el](https://github.com/crystal-ameba/ameba.el)\n * Sublime Text: [Sublime Linter Ameba](https://github.com/epergo/SublimeLinter-contrib-ameba)\n * VSCode: [vscode-crystal-ameba](https://github.com/crystal-ameba/vscode-crystal-ameba)\n * Codacy: [codacy-ameba](https://github.com/codacy/codacy-ameba)\n * GitHub Actions: [github-action](https://github.com/crystal-ameba/github-action)\n\n## Credits & inspirations\n\n- [Crystal Language](https://crystal-lang.org)\n- [Rubocop](https://rubocop.readthedocs.io/en/latest/)\n- [Credo](http://credo-ci.org/)\n- [Dogma](https://github.com/lpil/dogma)\n\n## Contributors\n\n- [veelenga](https://github.com/veelenga) Vitalii Elenhaupt - creator, maintainer\n","program":{"html_id":"ameba/toplevel","path":"toplevel.html","kind":"module","full_name":"Top Level Namespace","name":"Top Level 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end\nend\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/DotFormatter","path":"Ameba/Formatter/DotFormatter.html","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"}],"extended_modules":[],"subclasses":[{"html_id":"ameba/Ameba/Formatter/TODOFormatter","kind":"class","full_name":"Ameba::Formatter::TODOFormatter","name":"TODOFormatter"}],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A 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output.puts(\"[#{issue.rule.severity.symbol}] #{issue.rule.name}: #{issue.message}\".colorize(:red))\n    if show_affected_code && (code = affected_code(source, location, issue.end_location))\n      output << (code.colorize(:default))\n    end\n    output.puts\n  end\nend\noutput.puts(finished_in_message(@started_at, Time.monotonic))\noutput.puts(final_message(sources, failed_sources))\n"}},{"html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Reports a result of the inspection of a corresponding source.","summary":"<p>Reports a result of the inspection of a corresponding source.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":21,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L21"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"sym = source.valid? ? \".\".colorize(:green) : \"F\".colorize(:red)\n@mutex.synchronize do\n  output << sym\nend\n"}},{"html_id":"started(sources)-instance-method","name":"started","doc":"Reports a message when inspection is started.","summary":"<p>Reports a message when inspection is 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Time.monotonic\noutput.puts(started_message(sources.size))\noutput.puts\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/ExplainFormatter","path":"Ameba/Formatter/ExplainFormatter.html","kind":"class","full_name":"Ameba::Formatter::ExplainFormatter","name":"ExplainFormatter","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"HEADING","name":"HEADING","value":"\"## 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column_number}\n```","summary":"<p>Creates a new instance of ExplainFormatter.</p>","abstract":false,"args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"args_string":"(output, location)","args_html":"(output, location)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":23,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L23"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output, location)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports the explainations at the *@location*.","summary":"<p>Reports the explainations at the <em>@location</em>.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":28,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L28"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source = sources.find do |__arg0|\n  __arg0.path == @location.filename\nend\nif source\nelse\n  return\nend\nissue = source.issues.find do |__arg1|\n  __arg1.location == @location\nend\nif issue\nelse\n  return\nend\nexplain(source, issue)\n"}},{"html_id":"location:Crystal::Location-instance-method","name":"location","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : Crystal::Location","args_html":" : Crystal::Location","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":13,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L13"},"def":{"name":"location","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Crystal::Location","visibility":"Public","body":"@location"}},{"html_id":"output:IO::FileDescriptor|IO::Memory-instance-method","name":"output","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : IO::FileDescriptor | IO::Memory","args_html":" : IO::FileDescriptor | 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that indicates when source inspection is finished.\nA corresponding source is passed as an argument.","summary":"<p>Callback that indicates when source inspection is finished.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/flycheck_formatter.cr#L5"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source.issues.each do |e|\n  if e.disabled?\n    next\n  end\n  if loc = e.location\n    @mutex.synchronize do\n      output.printf(\"%s:%d:%d: %s: [%s] %s\\n\", source.path, loc.line_number, loc.column_number, e.rule.severity.symbol, e.rule.name, e.message.gsub('\\n', \" \"))\n    end\n  end\nend"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/JSONFormatter","path":"Ameba/Formatter/JSONFormatter.html","kind":"class","full_name":"Ameba::Formatter::JSONFormatter","name":"JSONFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/json_formatter.cr","line_number":66,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L66"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that produces the result in a json format.\n\nExample:\n\n```\n{\n  \"metadata\": {\n    \"ameba_version\":   \"x.x.x\",\n    \"crystal_version\": \"x.x.x\",\n  },\n  \"sources\": [\n    {\n      \"issues\": [\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   17,\n          },\n          \"end_location\": {\n            \"column\": 20,\n            \"line\":   17,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   18,\n          },\n          \"end_location\": {\n            \"column\": 8,\n            \"line\":   18,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   19,\n          },\n          \"end_location\": {\n            \"column\": 9,\n            \"line\":   19,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n      ],\n      \"path\": \"src/ameba/formatter/json_formatter.cr\",\n    },\n  ],\n  \"summary\": {\n    \"issues_count\":         3,\n    \"target_sources_count\": 1,\n  },\n}\n```\n","summary":"<p>A formatter that produces the result in a json format.</p>","class_methods":[],"constructors":[{"html_id":"new(output=STDOUT)-class-method","name":"new","doc":null,"summary":null,"abstract":false,"args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"args_string":"(output = STDOUT)","args_html":"(output = <span class=\"t\">STDOUT</span>)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":67,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L67"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"html_id":"finished(sources)-instance-method","name":"finished","doc":"Callback that indicates when inspection is finished.\nA list of inspected sources is passed as an argument.","summary":"<p>Callback that indicates when inspection is 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!issue.disabled?\nend\nelse\n  @output.puts(\"No issues found. 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The line above the location is a comment directive.\n\nFor example, here are two examples of disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\nTime.epoch(1483859302)\n\nTime.epoch(1483859302) # ameba:disable Style/LargeNumbers\n```\n\nBut here are examples which are not considered as disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\n#\nTime.epoch(1483859302)\n\nif use_epoch? # ameba:disable Style/LargeNumbers\n  Time.epoch(1483859302)\nend\n```","summary":"<p>Returns true if current location is disabled for a particular rule, false otherwise.</p>","abstract":false,"args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"args_string":"(location, rule)","args_html":"(location, rule)","location":{"filename":"src/ameba/inline_comments.cr","line_number":39,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L39"},"def":{"name":"location_disabled?","args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if rule.name.in?(Rule::SPECIAL)\n  return false\nend\nif line_number = location.try do |__arg0|\n  __arg0.line_number.try(&.-(1))\nend\nelse\n  return false\nend\nif line = lines[line_number]?\nelse\n  return false\nend\n(line_disabled?(line, rule)) || (((line_number > 0 && (prev_line = lines[line_number - 1])) && (comment?(prev_line))) && (line_disabled?(prev_line, rule)))\n"}},{"html_id":"parse_inline_directive(line)-instance-method","name":"parse_inline_directive","doc":"Parses inline comment directive. 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If a specific rule fails on a specific source, it adds\nan issue to that source.\n\nThis action also notifies formatter when inspection is started/finished,\nand when a specific source started/finished to be inspected.\n\n```\nrunner = Ameba::Runner.new config\nrunner.run # => returns runner again\n```","summary":"<p>Performs the inspection.</p>","abstract":false,"args":[],"args_string":"","args_html":"","location":{"filename":"src/ameba/runner.cr","line_number":66,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L66"},"def":{"name":"run","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"begin\n  @formatter.started(@sources)\n  channels = @sources.map do\n    Channel(Exception | ::Nil).new\n  end\n  @sources.each_with_index do |source, idx|\n    channel = channels[idx]\n    spawn do\n      begin\n        run_source(source)\n      rescue e\n        channel.send(e)\n      else\n        channel.send(nil)\n      end\n    end\n  end\n  channels.each do |chan|\n    chan.receive.try do |e|\n      raise(e)\n    end\n  end\n  self\nensure\n  @formatter.finished(@sources)\nend"}},{"html_id":"sources:Array(Source)-instance-method","name":"sources","doc":"A list of sources to run inspection on.","summary":"<p>A list of sources to run inspection on.</p>","abstract":false,"args":[],"args_string":" : Array(Source)","args_html":" : Array(<a href=\"../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/runner.cr","line_number":18,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L18"},"def":{"name":"sources","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Array(Source)","visibility":"Public","body":"@sources"}},{"html_id":"success?-instance-method","name":"success?","doc":"Indicates whether the last inspection successful or not.\nIt returns true if no issues matching severity in sources found, false otherwise.\n\n```\nrunner = Ameba::Runner.new config\nrunner.run\nrunner.success? # => true or false\n```","summary":"<p>Indicates whether the last inspection successful or not.</p>","abstract":false,"args":[],"args_string":"","args_html":"","location":{"filename":"src/ameba/runner.cr","line_number":125,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/runner.cr#L125"},"def":{"name":"success?","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"@sources.all? do |source|\n  source.issues.reject(&.disabled?).none? do |__arg4|\n    __arg4.rule.severity <= @severity\n  end\nend"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Severity","path":"Ameba/Severity.html","kind":"enum","full_name":"Ameba::Severity","name":"Severity","abstract":false,"superclass":null,"ancestors":[{"html_id":"ameba/Enum","kind":"struct","full_name":"Enum","name":"Enum"},{"html_id":"ameba/Comparable","kind":"module","full_name":"Comparable","name":"Comparable"},{"html_id":"ameba/Value","kind":"struct","full_name":"Value","name":"Value"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/severity.cr","line_number":2,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L2"}],"repository_name":"ameba","program":false,"enum":true,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"Error","name":"Error","value":"0","doc":null,"summary":null},{"id":"Warning","name":"Warning","value":"1","doc":null,"summary":null},{"id":"Convention","name":"Convention","value":"2","doc":null,"summary":null}],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":null,"summary":null,"class_methods":[{"html_id":"parse(name:String)-class-method","name":"parse","doc":"Creates Severity by the name.\n\n```\nSeverity.parse(\"convention\") # => Severity::Convention\nSeverity.parse(\"foo-bar\")    # => Exception: Incorrect severity name\n```","summary":"<p>Creates Severity by the name.</p>","abstract":false,"args":[{"name":"name","doc":null,"default_value":"","external_name":"name","restriction":"String"}],"args_string":"(name : String)","args_html":"(name : String)","location":{"filename":"src/ameba/severity.cr","line_number":26,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L26"},"def":{"name":"parse","args":[{"name":"name","doc":null,"default_value":"","external_name":"name","restriction":"String"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"begin\n  super(name)\nrescue ArgumentError\n  raise(\"Incorrect severity name #{name}. Try one of #{values}\")\nend"}}],"constructors":[],"instance_methods":[{"html_id":"convention?-instance-method","name":"convention?","doc":null,"summary":null,"abstract":false,"args":[],"args_string":"","args_html":"","location":{"filename":"src/ameba/severity.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L5"},"def":{"name":"convention?","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"self == Convention"}},{"html_id":"error?-instance-method","name":"error?","doc":null,"summary":null,"abstract":false,"args":[],"args_string":"","args_html":"","location":{"filename":"src/ameba/severity.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L3"},"def":{"name":"error?","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"self == Error"}},{"html_id":"symbol:Char-instance-method","name":"symbol","doc":"Returns a symbol uniquely indicating severity.\n\n```\nSeverity::Warning.symbol # => 'W'\n```","summary":"<p>Returns a symbol uniquely indicating severity.</p>","abstract":false,"args":[],"args_string":" : Char","args_html":" : Char","location":{"filename":"src/ameba/severity.cr","line_number":12,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L12"},"def":{"name":"symbol","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Char","visibility":"Public","body":"case self\nin Error\n  'E'\nin Warning\n  'W'\nin Convention\n  'C'\nend"}},{"html_id":"warning?-instance-method","name":"warning?","doc":null,"summary":null,"abstract":false,"args":[],"args_string":"","args_html":"","location":{"filename":"src/ameba/severity.cr","line_number":4,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L4"},"def":{"name":"warning?","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"self == Warning"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/SeverityYamlConverter","path":"Ameba/SeverityYamlConverter.html","kind":"class","full_name":"Ameba::SeverityYamlConverter","name":"SeverityYamlConverter","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/severity.cr","line_number":34,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L34"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"Converter for `YAML.mapping` which converts severity enum to and from YAML.","summary":"<p>Converter for <code>YAML.mapping</code> which converts severity enum to and from YAML.</p>","class_methods":[{"html_id":"from_yaml(ctx:YAML::ParseContext,node:YAML::Nodes::Node)-class-method","name":"from_yaml","doc":null,"summary":null,"abstract":false,"args":[{"name":"ctx","doc":null,"default_value":"","external_name":"ctx","restriction":"YAML::ParseContext"},{"name":"node","doc":null,"default_value":"","external_name":"node","restriction":"YAML::Nodes::Node"}],"args_string":"(ctx : YAML::ParseContext, node : YAML::Nodes::Node)","args_html":"(ctx : YAML::ParseContext, node : YAML::Nodes::Node)","location":{"filename":"src/ameba/severity.cr","line_number":35,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L35"},"def":{"name":"from_yaml","args":[{"name":"ctx","doc":null,"default_value":"","external_name":"ctx","restriction":"YAML::ParseContext"},{"name":"node","doc":null,"default_value":"","external_name":"node","restriction":"YAML::Nodes::Node"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if node.is_a?(YAML::Nodes::Scalar)\nelse\n  raise(\"Severity must be a scalar, not #{node.class}\")\nend\ncase value = node.value\nwhen String\n  Severity.parse(value)\nwhen Nil\n  nil\nelse\n  raise(\"Incorrect severity: #{value}\")\nend\n"}},{"html_id":"to_yaml(value:Severity,yaml:YAML::Nodes::Builder)-class-method","name":"to_yaml","doc":null,"summary":null,"abstract":false,"args":[{"name":"value","doc":null,"default_value":"","external_name":"value","restriction":"Severity"},{"name":"yaml","doc":null,"default_value":"","external_name":"yaml","restriction":"YAML::Nodes::Builder"}],"args_string":"(value : Severity, yaml : YAML::Nodes::Builder)","args_html":"(value : <a href=\"../Ameba/Severity.html\">Severity</a>, yaml : YAML::Nodes::Builder)","location":{"filename":"src/ameba/severity.cr","line_number":48,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/severity.cr#L48"},"def":{"name":"to_yaml","args":[{"name":"value","doc":null,"default_value":"","external_name":"value","restriction":"Severity"},{"name":"yaml","doc":null,"default_value":"","external_name":"yaml","restriction":"YAML::Nodes::Builder"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"yaml.scalar(value)"}}],"constructors":[],"instance_methods":[],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Source","path":"Ameba/Source.html","kind":"class","full_name":"Ameba::Source","name":"Source","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Ameba/Reportable","kind":"module","full_name":"Ameba::Reportable","name":"Reportable"},{"html_id":"ameba/Ameba/InlineComments","kind":"module","full_name":"Ameba::InlineComments","name":"InlineComments"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/source.cr","line_number":4,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L4"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[{"html_id":"ameba/Ameba/InlineComments","kind":"module","full_name":"Ameba::InlineComments","name":"InlineComments"},{"html_id":"ameba/Ameba/Reportable","kind":"module","full_name":"Ameba::Reportable","name":"Reportable"}],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"An entity that represents a Crystal source file.\nHas path, lines of code and issues reported by rules.","summary":"<p>An entity that represents a Crystal source file.</p>","class_methods":[],"constructors":[{"html_id":"new(code,path=\"\")-class-method","name":"new","doc":"Creates a new source by `code` and `path`.\n\nFor example:\n\n```\npath = \"./src/source.cr\"\nAmeba::Source.new File.read(path), path\n```","summary":"<p>Creates a new source by <code><a href=\"../Ameba/Source.html#code%3AString-instance-method\">#code</a></code> and <code><a href=\"../Ameba/Source.html#path%3AString-instance-method\">#path</a></code>.</p>","abstract":false,"args":[{"name":"code","doc":null,"default_value":"","external_name":"code","restriction":""},{"name":"path","doc":null,"default_value":"\"\"","external_name":"path","restriction":""}],"args_string":"(code, path = \"\")","args_html":"(code, path = <span class=\"s\">&quot;&quot;</span>)","location":{"filename":"src/ameba/source.cr","line_number":22,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L22"},"def":{"name":"new","args":[{"name":"code","doc":null,"default_value":"","external_name":"code","restriction":""},{"name":"path","doc":null,"default_value":"\"\"","external_name":"path","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(code, path)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"html_id":"ast:Crystal::ASTNode-instance-method","name":"ast","doc":"Returns AST nodes constructed by `Crystal::Parser`.\n\n```\nsource = Ameba::Source.new code, path\nsource.ast\n```\n","summary":"<p>Returns AST nodes constructed by <code>Crystal::Parser</code>.</p>","abstract":false,"args":[],"args_string":" : Crystal::ASTNode","args_html":" : Crystal::ASTNode","location":{"filename":"src/ameba/source.cr","line_number":45,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L45"},"def":{"name":"ast","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Crystal::ASTNode","visibility":"Public","body":"if (value = @ast).nil?\n  @ast = ((Crystal::Parser.new(code)).tap(&.wants_doc = true).tap(&.filename = path).parse)\nelse\n  value\nend"}},{"html_id":"code:String-instance-method","name":"code","doc":"Crystal code (content of a source file).","summary":"<p>Crystal code (content of a source file).</p>","abstract":false,"args":[],"args_string":" : String","args_html":" : String","location":{"filename":"src/ameba/source.cr","line_number":12,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L12"},"def":{"name":"code","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"String","visibility":"Public","body":"@code"}},{"html_id":"fullpath:String-instance-method","name":"fullpath","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : String","args_html":" : String","location":{"filename":"src/ameba/source.cr","line_number":52,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L52"},"def":{"name":"fullpath","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"String","visibility":"Public","body":"if (value = @fullpath).nil?\n  @fullpath = (File.expand_path(path))\nelse\n  value\nend"}},{"html_id":"lines:Array(String)-instance-method","name":"lines","doc":"Returns lines of code splitted by new line character.\nSince `code` is immutable and can't be changed, this\nmethod caches lines in an instance variable, so calling\nit second time will not perform a split, but will return\nlines instantly.\n\n```\nsource = Ameba::Source.new \"a = 1\\nb = 2\", path\nsource.lines # => [\"a = 1\", \"b = 2\"]\n```\n","summary":"<p>Returns lines of code splitted by new line character.</p>","abstract":false,"args":[],"args_string":" : Array(String)","args_html":" : Array(String)","location":{"filename":"src/ameba/source.cr","line_number":36,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L36"},"def":{"name":"lines","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Array(String)","visibility":"Public","body":"if (value = @lines).nil?\n  @lines = (code.split('\\n'))\nelse\n  value\nend"}},{"html_id":"matches_path?(filepath)-instance-method","name":"matches_path?","doc":"Returns `true` if *filepath* matches the source's path, `false` if it does not.","summary":"<p>Returns <code>true</code> if <em>filepath</em> matches the source's path, <code>false</code> if it does not.</p>","abstract":false,"args":[{"name":"filepath","doc":null,"default_value":"","external_name":"filepath","restriction":""}],"args_string":"(filepath)","args_html":"(filepath)","location":{"filename":"src/ameba/source.cr","line_number":62,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L62"},"def":{"name":"matches_path?","args":[{"name":"filepath","doc":null,"default_value":"","external_name":"filepath","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"(path == filepath) || (path == (File.expand_path(filepath)))"}},{"html_id":"path:String-instance-method","name":"path","doc":"Path to the source file.","summary":"<p>Path to the source file.</p>","abstract":false,"args":[],"args_string":" : String","args_html":" : 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otherwise.</p>","abstract":false,"args":[],"args_string":"","args_html":"","location":{"filename":"src/ameba/source.cr","line_number":57,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/source.cr#L57"},"def":{"name":"spec?","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"path.ends_with?(\"_spec.cr\")"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Tokenizer","path":"Ameba/Tokenizer.html","kind":"class","full_name":"Ameba::Tokenizer","name":"Tokenizer","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/tokenizer.cr","line_number":14,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L14"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"Represents Crystal syntax tokenizer based on `Crystal::Lexer`.\n\n```\nsource = Ameba::Source.new code, path\ntokenizer = Ameba::Tokenizer.new(source)\ntokenizer.run do |token|\n  puts token\nend\n```\n","summary":"<p>Represents Crystal syntax tokenizer based on <code>Crystal::Lexer</code>.</p>","class_methods":[],"constructors":[{"html_id":"new(lexer:Crystal::Lexer)-class-method","name":"new","doc":"Instantiates Tokenizer using a `lexer`.\n\n```\nlexer = Crystal::Lexer.new(code)\nAmeba::Tokenizer.new(lexer)\n```","summary":"<p>Instantiates Tokenizer using a <code>lexer</code>.</p>","abstract":false,"args":[{"name":"lexer","doc":null,"default_value":"","external_name":"lexer","restriction":"Crystal::Lexer"}],"args_string":"(lexer : Crystal::Lexer)","args_html":"(lexer : Crystal::Lexer)","location":{"filename":"src/ameba/tokenizer.cr","line_number":35,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L35"},"def":{"name":"new","args":[{"name":"lexer","doc":null,"default_value":"","external_name":"lexer","restriction":"Crystal::Lexer"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(lexer)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}},{"html_id":"new(source)-class-method","name":"new","doc":"Instantiates Tokenizer using a `source`.\n\n```\nsource = Ameba::Source.new code, path\nAmeba::Tokenizer.new(source)\n```","summary":"<p>Instantiates Tokenizer using a <code>source</code>.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":""}],"args_string":"(source)","args_html":"(source)","location":{"filename":"src/ameba/tokenizer.cr","line_number":21,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L21"},"def":{"name":"new","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(source)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"html_id":"run(&block:Crystal::Token->_)-instance-method","name":"run","doc":"Runs the tokenizer and yields each token as a block argument.\n\n```\nAmeba::Tokenizer.new(source).run do |token|\n  puts token\nend\n```","summary":"<p>Runs the tokenizer and yields each token as a block argument.</p>","abstract":false,"args":[],"args_string":"(&block : Crystal::Token -> _)","args_html":"(&block : Crystal::Token -> _)","location":{"filename":"src/ameba/tokenizer.cr","line_number":45,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/tokenizer.cr#L45"},"def":{"name":"run","args":[],"double_splat":null,"splat_index":null,"yields":1,"block_arg":{"name":"block","doc":null,"default_value":"","external_name":"block","restriction":"(Crystal::Token -> _)"},"return_type":"","visibility":"Public","body":"begin\n  run_normal_state(@lexer, &block)\n  true\nrescue e : Crystal::SyntaxException\n  false\nend"}}],"macros":[],"types":[]}]}]}}
\ No newline at end of file
diff --git a/js/doc.js b/js/doc.js
index eb03302d..c0ebb1ed 100644
--- a/js/doc.js
+++ b/js/doc.js
@@ -33,7 +33,7 @@ CrystalDocs.runQuery = function(query) {
     }
     if (matches.length > 0) {
       results.push({
-        id: type.id,
+        id: type.html_id,
         result_type: "type",
         kind: type.kind,
         name: name,
@@ -96,14 +96,14 @@ CrystalDocs.runQuery = function(query) {
         matches = matches.concat(typeMatches);
       }
       results.push({
-        id: method.id,
+        id: method.html_id,
         type: type.full_name,
         result_type: kind,
         name: method.name,
         full_name: type.full_name + "#" + method.name,
         args_string: method.args_string,
         summary: method.summary,
-        href: type.path + "#" + method.id,
+        href: type.path + "#" + method.html_id,
         matched_fields: matchedFields,
         matched_terms: matches
       });
@@ -130,14 +130,14 @@ CrystalDocs.runQuery = function(query) {
         matches = matches.concat(typeMatches);
       }
       results.push({
-        id: constant.id,
+        id: constant.html_id,
         type: type.full_name,
         result_type: "constant",
         name: constant.name,
         full_name: type.full_name + "#" + constant.name,
         value: constant.value,
         summary: constant.summary,
-        href: type.path + "#" + constant.id,
+        href: type.path + "#" + constant.html_id,
         matched_fields: matchedFields,
         matched_terms: matches
       });
diff --git a/search-index.js b/search-index.js
index 2638c34b..7c795c85 100644
--- a/search-index.js
+++ b/search-index.js
@@ -1 +1 @@
-crystal_doc_search_index_callback({"repository_name":"ameba","body":"\n  \n  \n  \n  \n    \n      \n    \n  \n  \n    \n    \n    \n  \n  \n\n\n- [About](#about)\n- [Usage](#usage)\n  * [Watch a tutorial](#watch-a-tutorial)\n  * [Run in parallel](#run-in-parallel)\n- [Installation](#installation)\n  * [As a project dependency:](#as-a-project-dependency)\n  * [OS X](#os-x)\n  * [Docker](#docker)\n  * [From sources](#from-sources)\n- [Configuration](#configuration)\n  * [Sources](#sources)\n  * [Rules](#rules)\n  * [Explain issues](#explain-issues)\n  * [Inline disabling](#inline-disabling)\n- [Editors & integrations](#editors--integrations)\n- [Credits & inspirations](#credits--inspirations)\n- [Contributors](#contributors)\n\n## About\n\nAmeba is a static code analysis tool for the Crystal language.\nIt enforces a consistent [Crystal code style](https://crystal-lang.org/reference/conventions/coding_style.html),\nalso catches code smells and wrong code constructions.\n\nSee also [Roadmap](https://github.com/crystal-ameba/ameba/wiki).\n\n## Usage\n\nRun `ameba` binary within your project directory to catch code issues:\n\n```sh\n$ ameba\nInspecting 107 files\n\n...............F.....................F....................................................................\n\nsrc/ameba/formatter/flycheck_formatter.cr:4:33\n[W] Lint/UnusedArgument: Unused argument `location`\n> source.issues.each do |e, location|\n                            ^\n\nsrc/ameba/formatter/base_formatter.cr:12:7\n[W] Lint/UselessAssign: Useless assignment to variable `s`\n> return s += issues.size\n         ^\n\nFinished in 542.64 milliseconds\n129 inspected, 2 failures\n```\n\n### Watch a tutorial\n\n\n\n[🎬 Watch the LuckyCast showing how to use Ameba](https://luckycasts.com/videos/ameba)\n\n### Run in parallel\n\nStarting from 0.31.0 Crystal [supports parallelism](https://crystal-lang.org/2019/09/06/parallelism-in-crystal.html).\nIt allows to run linting in parallel too.\nIn order to take advantage of this feature you need to build ameba with preview_mt support:\n\n```sh\n$ crystal build src/cli.cr -Dpreview_mt -o bin/ameba\n$ make install\n```\n\nSome quick benchmark results measured while running Ameba on Crystal repo:\n\n```sh\n$ CRYSTAL_WORKERS=1 ameba #=> 29.11 seconds\n$ CRYSTAL_WORKERS=2 ameba #=> 19.49 seconds\n$ CRYSTAL_WORKERS=4 ameba #=> 13.48 seconds\n$ CRYSTAL_WORKERS=8 ameba #=> 10.14 seconds\n```\n\n## Installation\n\n### As a project dependency:\n\nAdd this to your application's `shard.yml`:\n\n```yaml\ndevelopment_dependencies:\n  ameba:\n    github: crystal-ameba/ameba\n    version: ~> 0.13.0\n```\n\nBuild `bin/ameba` binary within your project directory while running `shards install`.\n\nYou may also want to use it on [Travis](travis-ci.org):\n\n```yaml\n# .travis.yml\nlanguage: crystal\ninstall:\n  - shards install\nscript:\n  - crystal spec\n  - crystal bin/ameba.cr\n```\n\nUsing this config Ameba will inspect files just after the specs run. Travis will also fail\nthe build if some problems detected.\n\n### OS X\n\n```sh\n$ brew tap veelenga/tap\n$ brew install ameba\n```\n\n### Docker\n\nBuild the image:\n\n```sh\n$ docker build -t crystal-ameba/ameba .\n```\n\nTo use the resulting image on a local source folder, mount the current (or target) directory into `/src`:\n\n```sh\n$ docker run -v $(pwd):/src crystal-ameba/ameba\n```\n\nAlso available on DockerHub: https://hub.docker.com/r/veelenga/ameba\n\n### From sources\n\n```sh\n$ git clone https://github.com/crystal-ameba/ameba && cd ameba\n$ make install\n```\n\n## Configuration\n\nDefault configuration file is `.ameba.yml`.\nIt allows to configure rule properties, disable specific rules and exclude sources from the rules.\n\nGenerate new file by running `ameba --gen-config`.\n\n### Sources\n\n**List of sources to run Ameba on can be configured globally via:**\n\n- `Globs` section - an array of wildcards (or paths) to include to the\n  inspection. Defaults to `%w(**/*.cr !lib)`, meaning it includes all project\n  files with `*.cr` extension except those which exist in `lib` folder.\n- `Excluded` section - an array of wildcards (or paths) to exclude from the\n  source list defined by `Globs`. Defaults to an empty array.\n\nIn this example we define default globs and exclude `src/compiler` folder:\n\n``` yaml\nGlobs:\n  - **/*.cr\n  - !lib\n\nExcluded:\n  - src/compiler\n```\n\n**Specific sources can be excluded at rule level**:\n\n``` yaml\nStyle/RedundantBegin:\n  Excluded:\n  - src/server/processor.cr\n  - src/server/api.cr\n```\n\n### Rules\n\nOne or more rules, or a one or more group of rules can be included or excluded\nvia command line arguments:\n\n```sh\n$ ameba --only   Lint/Syntax # runs only Lint/Syntax rule\n$ ameba --only   Style,Lint  # runs only rules from Style and Lint groups\n$ ameba --except Lint/Syntax # runs all rules except Lint/Syntax\n$ ameba --except Style,Lint  # runs all rules except rules in Style and Lint groups\n```\n\nOr through the configuration file:\n\n``` yaml\nStyle/RedundantBegin:\n  Enabled: false\n```\n\n### Explain issues\n\nAmeba allows you to dig deeper into an issue, by showing you details about the issue\nand the reasoning by it being reported.\n\nTo be convenient, you can just copy-paste the `PATH:line:column` string from the\nreport and paste behind the `ameba` command to check it out.\n\n```sh\n$ ameba crystal/command/format.cr:26:83           # show explanation for the issue\n$ ameba --explain crystal/command/format.cr:26:83 # same thing\n```\n\n### Inline disabling\n\nOne or more rules or one or more group of rules can be disabled using inline directives:\n\n```crystal\n# ameba:disable Style/LargeNumbers\ntime = Time.epoch(1483859302)\n\ntime = Time.epoch(1483859302) # ameba:disable Style/LargeNumbers, Lint/UselessAssign\n\ntime = Time.epoch(1483859302) # ameba:disable Style, Lint\n```\n\n## Editors & integrations\n\n * Vim: [vim-crystal](https://github.com/rhysd/vim-crystal), [Ale](https://github.com/w0rp/ale)\n * Emacs: [ameba.el](https://github.com/crystal-ameba/ameba.el)\n * Sublime Text: [Sublime Linter Ameba](https://github.com/epergo/SublimeLinter-contrib-ameba)\n * VSCode: [vscode-crystal-ameba](https://github.com/crystal-ameba/vscode-crystal-ameba)\n * Codacy: [codacy-ameba](https://github.com/codacy/codacy-ameba)\n * GitHub Actions: [github-action](https://github.com/crystal-ameba/github-action)\n\n## Credits & inspirations\n\n- [Crystal Language](https://crystal-lang.org)\n- [Rubocop](https://rubocop.readthedocs.io/en/latest/)\n- [Credo](http://credo-ci.org/)\n- [Dogma](https://github.com/lpil/dogma)\n\n## Contributors\n\n- [veelenga](https://github.com/veelenga) Vitalii Elenhaupt - creator, maintainer\n","program":{"html_id":"ameba/toplevel","path":"toplevel.html","kind":"module","full_name":"Top Level Namespace","name":"Top Level 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end_column = end_column - column\n  last_line = node_lines[0]\nend\nif last_line.size < (end_column + 1)\n  return\nend\nnode_lines[-1] = last_line.sub((end_column + 1)...last_line.size, \"\")\nnode_lines\n"}},{"id":"raise?(node)-instance-method","html_id":"raise?(node)-instance-method","name":"raise?","doc":"Returns true if node represents `raise` method call.","summary":"<p>Returns true if node represents <code>raise</code> method 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Use one of #{Config.formatter_names}.\")\nend"}},{"id":"formatter=(formatter:Formatter::BaseFormatter)-instance-method","html_id":"formatter=(formatter:Formatter::BaseFormatter)-instance-method","name":"formatter=","doc":"Returns a formatter to be used while inspecting files.\nIf formatter is not set, it will return default formatter.\n\n```\nconfig = Ameba::Config.load\nconfig.formatter = custom_formatter\nconfig.formatter\n```\n","summary":"<p>Returns a formatter to be used while inspecting files.</p>","abstract":false,"args":[{"name":"formatter","doc":null,"default_value":"","external_name":"formatter","restriction":"Formatter::BaseFormatter"}],"args_string":"(formatter : Formatter::BaseFormatter)","args_html":"(formatter : <a 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end\nend)"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter","path":"Ameba/Formatter.html","kind":"module","full_name":"Ameba::Formatter","name":"Formatter","abstract":false,"superclass":null,"ancestors":[],"locations":[{"filename":"src/ameba/formatter/base_formatter.cr","line_number":4,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/base_formatter.cr#L4"},{"filename":"src/ameba/formatter/disabled_formatter.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/disabled_formatter.cr#L1"},{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L3"},{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L3"},{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L1"},{"filename":"src/ameba/formatter/json_formatter.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L3"},{"filename":"src/ameba/formatter/todo_formatter.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L1"},{"filename":"src/ameba/formatter/util.cr","line_number":1,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/util.cr#L1"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"A 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end\nend\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/DotFormatter","path":"Ameba/Formatter/DotFormatter.html","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"}],"extended_modules":[],"subclasses":[{"html_id":"ameba/Ameba/Formatter/TODOFormatter","kind":"class","full_name":"Ameba::Formatter::TODOFormatter","name":"TODOFormatter"}],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that shows a progress of inspection in a terminal using dots.\nIt is similar to Crystal's dot formatter for specs.","summary":"<p>A formatter that shows a progress of inspection in a terminal using dots.</p>","class_methods":[],"constructors":[],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports a message when inspection is finished.","summary":"<p>Reports a message when inspection is finished.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":27,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L27"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"output.flush\noutput << \"\\n\\n\"\nshow_affected_code = !config[:without_affected_code]?\nfailed_sources = sources.reject(&.valid?)\nfailed_sources.each do |source|\n  source.issues.each do |issue|\n    if issue.disabled?\n      next\n    end\n    if (    location = issue.location).nil?\n      next\n    end\n    output.puts(location.colorize(:cyan))\n    output.puts(\"[#{issue.rule.severity.symbol}] #{issue.rule.name}: #{issue.message}\".colorize(:red))\n    if show_affected_code && (code = affected_code(source, location, issue.end_location))\n      output << (code.colorize(:default))\n    end\n    output.puts\n  end\nend\noutput.puts(finished_in_message(@started_at, Time.monotonic))\noutput.puts(final_message(sources, failed_sources))\n"}},{"id":"source_finished(source:Source)-instance-method","html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Reports a result of the inspection of a corresponding source.","summary":"<p>Reports a result of the inspection of a corresponding source.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":21,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/dot_formatter.cr#L21"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"sym = source.valid? ? \".\".colorize(:green) : \"F\".colorize(:red)\n@mutex.synchronize do\n  output << sym\nend\n"}},{"id":"started(sources)-instance-method","html_id":"started(sources)-instance-method","name":"started","doc":"Reports a message when inspection is started.","summary":"<p>Reports a message when inspection is 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Time.monotonic\noutput.puts(started_message(sources.size))\noutput.puts\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/ExplainFormatter","path":"Ameba/Formatter/ExplainFormatter.html","kind":"class","full_name":"Ameba::Formatter::ExplainFormatter","name":"ExplainFormatter","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"HEADING","name":"HEADING","value":"\"## \"","doc":null,"summary":null},{"id":"PREFIX","name":"PREFIX","value":"\" \"","doc":null,"summary":null}],"included_modules":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"}],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that shows the detailed explanation of the issue at\na specific location.","summary":"<p>A formatter that shows the detailed explanation of the issue at a specific location.</p>","class_methods":[],"constructors":[{"id":"new(output,location)-class-method","html_id":"new(output,location)-class-method","name":"new","doc":"Creates a new instance of ExplainFormatter.\nAccepts *output* which indicates the io where the explanation will be wrtitten to.\nSecond argument is *location* which indicates the location to explain.\n\n```\nExplainFormatter.new output,\n  {file: path, line: line_number, column: column_number}\n```","summary":"<p>Creates a new instance of ExplainFormatter.</p>","abstract":false,"args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"args_string":"(output, location)","args_html":"(output, location)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":23,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L23"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output, location)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports the explainations at the *@location*.","summary":"<p>Reports the explainations at the <em>@location</em>.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":28,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L28"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source = sources.find do |__arg0|\n  __arg0.path == @location.filename\nend\nif source\nelse\n  return\nend\nissue = source.issues.find do |__arg1|\n  __arg1.location == @location\nend\nif issue\nelse\n  return\nend\nexplain(source, issue)\n"}},{"id":"location:Crystal::Location-instance-method","html_id":"location:Crystal::Location-instance-method","name":"location","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : Crystal::Location","args_html":" : Crystal::Location","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":13,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L13"},"def":{"name":"location","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Crystal::Location","visibility":"Public","body":"@location"}},{"id":"output:IO::FileDescriptor|IO::Memory-instance-method","html_id":"output:IO::FileDescriptor|IO::Memory-instance-method","name":"output","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : IO::FileDescriptor | IO::Memory","args_html":" : IO::FileDescriptor | IO::Memory","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":12,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/explain_formatter.cr#L12"},"def":{"name":"output","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"IO::FileDescriptor | IO::Memory","visibility":"Public","body":"@output"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/FlycheckFormatter","path":"Ameba/Formatter/FlycheckFormatter.html","kind":"class","full_name":"Ameba::Formatter::FlycheckFormatter","name":"FlycheckFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":2,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L2"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":null,"summary":null,"class_methods":[],"constructors":[],"instance_methods":[{"id":"source_finished(source:Source)-instance-method","html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Callback that indicates when source inspection is finished.\nA corresponding source is passed as an argument.","summary":"<p>Callback that indicates when source inspection is finished.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/flycheck_formatter.cr#L5"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source.issues.each do |e|\n  if e.disabled?\n    next\n  end\n  if loc = e.location\n    @mutex.synchronize do\n      output.printf(\"%s:%d:%d: %s: [%s] %s\\n\", source.path, loc.line_number, loc.column_number, e.rule.severity.symbol, e.rule.name, e.message.gsub('\\n', \" \"))\n    end\n  end\nend"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/JSONFormatter","path":"Ameba/Formatter/JSONFormatter.html","kind":"class","full_name":"Ameba::Formatter::JSONFormatter","name":"JSONFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/json_formatter.cr","line_number":66,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L66"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that produces the result in a json format.\n\nExample:\n\n```\n{\n  \"metadata\": {\n    \"ameba_version\":   \"x.x.x\",\n    \"crystal_version\": \"x.x.x\",\n  },\n  \"sources\": [\n    {\n      \"issues\": [\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   17,\n          },\n          \"end_location\": {\n            \"column\": 20,\n            \"line\":   17,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   18,\n          },\n          \"end_location\": {\n            \"column\": 8,\n            \"line\":   18,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   19,\n          },\n          \"end_location\": {\n            \"column\": 9,\n            \"line\":   19,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n      ],\n      \"path\": \"src/ameba/formatter/json_formatter.cr\",\n    },\n  ],\n  \"summary\": {\n    \"issues_count\":         3,\n    \"target_sources_count\": 1,\n  },\n}\n```\n","summary":"<p>A formatter that produces the result in a json format.</p>","class_methods":[],"constructors":[{"id":"new(output=STDOUT)-class-method","html_id":"new(output=STDOUT)-class-method","name":"new","doc":null,"summary":null,"abstract":false,"args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"args_string":"(output = <span class=\"t\">STDOUT</span>)","args_html":"(output = <span class=\"t\">STDOUT</span>)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":67,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L67"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"id":"finished(sources)-instance-method","html_id":"finished(sources)-instance-method","name":"finished","doc":"Callback that indicates when inspection is finished.\nA list of inspected sources is passed as an argument.","summary":"<p>Callback that indicates when inspection is 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finished.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":75,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L75"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"json_source = AsJSON::Source.new(source.path)\nsource.issues.each do |e|\n  if e.disabled?\n    next\n  end\n  json_source.issues << (AsJSON::Issue.new(e.rule.name, e.rule.severity.to_s, e.location, e.end_location, e.message))\n  __temp_28 = @result.summary\n  __temp_28.issues_count = __temp_28.issues_count + 1\nend\n@result.sources << json_source\n"}},{"id":"started(sources)-instance-method","html_id":"started(sources)-instance-method","name":"started","doc":"Callback that indicates when inspecting is started.\nA list of sources to inspect is passed as an argument.","summary":"<p>Callback that indicates when inspecting is started.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":71,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/json_formatter.cr#L71"},"def":{"name":"started","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"@result.summary.target_sources_count = sources.size"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/TODOFormatter","path":"Ameba/Formatter/TODOFormatter.html","kind":"class","full_name":"Ameba::Formatter::TODOFormatter","name":"TODOFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/DotFormatter","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/DotFormatter","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter"},{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/todo_formatter.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/formatter/todo_formatter.cr#L5"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A 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Globs can point to files or even directories.\n\n```\nexpand([\"spec/*.cr\", \"src\"]) # => all files in src folder + first level specs\n```","summary":"<p>Expands globs.</p>","abstract":false,"args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"args_string":"(globs)","args_html":"(globs)","location":{"filename":"src/ameba/glob_utils.cr","line_number":22,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L22"},"def":{"name":"expand","args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"globs.flat_map do |glob|\n  if File.directory?(glob)\n    glob = glob + \"/**/*.cr\"\n  end\n  Dir[glob]\nend.uniq!"}},{"id":"find_files_by_globs(globs)-instance-method","html_id":"find_files_by_globs(globs)-instance-method","name":"find_files_by_globs","doc":"Returns all files that match specified globs.\nGlobs can have wildcards or be rejected:\n\n```\nfind_files_by_globs([\"**/*.cr\", \"!lib\"])\n```","summary":"<p>Returns all files that match specified globs.</p>","abstract":false,"args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"args_string":"(globs)","args_html":"(globs)","location":{"filename":"src/ameba/glob_utils.cr","line_number":10,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/glob_utils.cr#L10"},"def":{"name":"find_files_by_globs","args":[{"name":"globs","doc":null,"default_value":"","external_name":"globs","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"rejected = rejected_globs(globs)\nselected = globs - rejected\n(expand(selected)) - (expand(rejected.map!(&.[](1..-1))))\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/InlineComments","path":"Ameba/InlineComments.html","kind":"module","full_name":"Ameba::InlineComments","name":"InlineComments","abstract":false,"superclass":null,"ancestors":[],"locations":[{"filename":"src/ameba/inline_comments.cr","line_number":3,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L3"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"COMMENT_DIRECTIVE_REGEX","name":"COMMENT_DIRECTIVE_REGEX","value":"/# ameba:(?<action>\\w+) (?<rules>\\w+(?:\\/\\w+)?(?:,? \\w+(?:\\/\\w+)?)*)/","doc":null,"summary":null}],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[{"html_id":"ameba/Ameba/Source","kind":"class","full_name":"Ameba::Source","name":"Source"}],"namespace":{"html_id":"ameba/Ameba","kind":"module","full_name":"Ameba","name":"Ameba"},"doc":"A module that utilizes inline comments parsing and processing logic.","summary":"<p>A module that utilizes inline comments parsing and processing logic.</p>","class_methods":[],"constructors":[],"instance_methods":[{"id":"comment?(line_number:Int32)-instance-method","html_id":"comment?(line_number:Int32)-instance-method","name":"comment?","doc":"Returns true if the line at the given `line_number` is a comment.","summary":"<p>Returns true if the line at the given <code>line_number</code> is a comment.</p>","abstract":false,"args":[{"name":"line_number","doc":null,"default_value":"","external_name":"line_number","restriction":"Int32"}],"args_string":"(line_number : Int32)","args_html":"(line_number : Int32)","location":{"filename":"src/ameba/inline_comments.cr","line_number":78,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L78"},"def":{"name":"comment?","args":[{"name":"line_number","doc":null,"default_value":"","external_name":"line_number","restriction":"Int32"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if line = lines[line_number]?\n  comment?(line)\nend"}},{"id":"location_disabled?(location,rule)-instance-method","html_id":"location_disabled?(location,rule)-instance-method","name":"location_disabled?","doc":"Returns true if current location is disabled for a particular rule,\nfalse otherwise.\n\nLocation is disabled in two cases:\n  1. The line of the location ends with a comment directive.\n  2. The line above the location is a comment directive.\n\nFor example, here are two examples of disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\nTime.epoch(1483859302)\n\nTime.epoch(1483859302) # ameba:disable Style/LargeNumbers\n```\n\nBut here are examples which are not considered as disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\n#\nTime.epoch(1483859302)\n\nif use_epoch? # ameba:disable Style/LargeNumbers\n  Time.epoch(1483859302)\nend\n```","summary":"<p>Returns true if current location is disabled for a particular rule, false otherwise.</p>","abstract":false,"args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"args_string":"(location, rule)","args_html":"(location, rule)","location":{"filename":"src/ameba/inline_comments.cr","line_number":39,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L39"},"def":{"name":"location_disabled?","args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if rule.name.in?(Rule::SPECIAL)\n  return false\nend\nif line_number = location.try do |__arg0|\n  __arg0.line_number.try(&.-(1))\nend\nelse\n  return false\nend\nif line = lines[line_number]?\nelse\n  return false\nend\n(line_disabled?(line, rule)) || (((line_number > 0 && (prev_line = lines[line_number - 1])) && (comment?(prev_line))) && (line_disabled?(prev_line, rule)))\n"}},{"id":"parse_inline_directive(line)-instance-method","html_id":"parse_inline_directive(line)-instance-method","name":"parse_inline_directive","doc":"Parses inline comment directive. Returns a tuple that consists of\nan action and parsed rules if directive found, nil otherwise.\n\n```\nline = \"# ameba:disable Rule1, Rule2\"\ndirective = parse_inline_directive(line)\ndirective[:action] # => \"disable\"\ndirective[:rules]  # => [\"Rule1\", \"Rule2\"]\n```\n\nIt ignores the directive if it is commented out.\n\n```\nline = \"# # ameba:disable Rule1, Rule2\"\nparse_inline_directive(line) # => nil\n```","summary":"<p>Parses inline comment directive.</p>","abstract":false,"args":[{"name":"line","doc":null,"default_value":"","external_name":"line","restriction":""}],"args_string":"(line)","args_html":"(line)","location":{"filename":"src/ameba/inline_comments.cr","line_number":67,"url":"https://github.com/crystal-ameba/ameba/blob/9a91e42b/src/ameba/inline_comments.cr#L67"},"def":{"name":"parse_inline_directive","args":[{"name":"line","doc":null,"default_value":"","external_name":"line","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if directive = COMMENT_DIRECTIVE_REGEX.match(line)\n  if commented_out?(line.gsub(directive[0], \"\"))\n    return\n  end\n  {action: directive[\"action\"], rules: directive[\"rules\"].split(/[\\s,]/, remove_empty: 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Travis will also fail\nthe build if some problems detected.\n\n### OS X\n\n```sh\n$ brew tap veelenga/tap\n$ brew install ameba\n```\n\n### Docker\n\nBuild the image:\n\n```sh\n$ docker build -t crystal-ameba/ameba .\n```\n\nTo use the resulting image on a local source folder, mount the current (or target) directory into `/src`:\n\n```sh\n$ docker run -v $(pwd):/src crystal-ameba/ameba\n```\n\nAlso available on DockerHub: https://hub.docker.com/r/veelenga/ameba\n\n### From sources\n\n```sh\n$ git clone https://github.com/crystal-ameba/ameba && cd ameba\n$ make install\n```\n\n## Configuration\n\nDefault configuration file is `.ameba.yml`.\nIt allows to configure rule properties, disable specific rules and exclude sources from the rules.\n\nGenerate new file by running `ameba --gen-config`.\n\n### Sources\n\n**List of sources to run Ameba on can be configured globally via:**\n\n- `Globs` section - an array of wildcards (or paths) to include to the\n  inspection. Defaults to `%w(**/*.cr !lib)`, meaning it includes all project\n  files with `*.cr` extension except those which exist in `lib` folder.\n- `Excluded` section - an array of wildcards (or paths) to exclude from the\n  source list defined by `Globs`. Defaults to an empty array.\n\nIn this example we define default globs and exclude `src/compiler` folder:\n\n``` yaml\nGlobs:\n  - **/*.cr\n  - !lib\n\nExcluded:\n  - src/compiler\n```\n\n**Specific sources can be excluded at rule level**:\n\n``` yaml\nStyle/RedundantBegin:\n  Excluded:\n  - src/server/processor.cr\n  - src/server/api.cr\n```\n\n### Rules\n\nOne or more rules, or a one or more group of rules can be included or excluded\nvia command line arguments:\n\n```sh\n$ ameba --only   Lint/Syntax # runs only Lint/Syntax rule\n$ ameba --only   Style,Lint  # runs only rules from Style and Lint groups\n$ ameba --except Lint/Syntax # runs all rules except Lint/Syntax\n$ ameba --except Style,Lint  # runs all rules except rules in Style and Lint groups\n```\n\nOr through the configuration file:\n\n``` yaml\nStyle/RedundantBegin:\n  Enabled: false\n```\n\n### Explain issues\n\nAmeba allows you to dig deeper into an issue, by showing you details about the issue\nand the reasoning by it being reported.\n\nTo be convenient, you can just copy-paste the `PATH:line:column` string from the\nreport and paste behind the `ameba` command to check it out.\n\n```sh\n$ ameba crystal/command/format.cr:26:83           # show explanation for the issue\n$ ameba --explain crystal/command/format.cr:26:83 # same thing\n```\n\n### Inline disabling\n\nOne or more rules or one or more group of rules can be disabled using inline directives:\n\n```crystal\n# ameba:disable Style/LargeNumbers\ntime = Time.epoch(1483859302)\n\ntime = Time.epoch(1483859302) # ameba:disable Style/LargeNumbers, Lint/UselessAssign\n\ntime = Time.epoch(1483859302) # ameba:disable Style, Lint\n```\n\n## Editors & integrations\n\n * Vim: [vim-crystal](https://github.com/rhysd/vim-crystal), [Ale](https://github.com/w0rp/ale)\n * Emacs: [ameba.el](https://github.com/crystal-ameba/ameba.el)\n * Sublime Text: [Sublime Linter Ameba](https://github.com/epergo/SublimeLinter-contrib-ameba)\n * VSCode: [vscode-crystal-ameba](https://github.com/crystal-ameba/vscode-crystal-ameba)\n * Codacy: [codacy-ameba](https://github.com/codacy/codacy-ameba)\n * GitHub Actions: [github-action](https://github.com/crystal-ameba/github-action)\n\n## Credits & inspirations\n\n- [Crystal Language](https://crystal-lang.org)\n- [Rubocop](https://rubocop.readthedocs.io/en/latest/)\n- [Credo](http://credo-ci.org/)\n- [Dogma](https://github.com/lpil/dogma)\n\n## Contributors\n\n- [veelenga](https://github.com/veelenga) Vitalii Elenhaupt - creator, maintainer\n","program":{"html_id":"ameba/toplevel","path":"toplevel.html","kind":"module","full_name":"Top Level Namespace","name":"Top Level 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end\nend\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/DotFormatter","path":"Ameba/Formatter/DotFormatter.html","kind":"class","full_name":"Ameba::Formatter::DotFormatter","name":"DotFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"}],"extended_modules":[],"subclasses":[{"html_id":"ameba/Ameba/Formatter/TODOFormatter","kind":"class","full_name":"Ameba::Formatter::TODOFormatter","name":"TODOFormatter"}],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A 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output.puts(\"[#{issue.rule.severity.symbol}] #{issue.rule.name}: #{issue.message}\".colorize(:red))\n    if show_affected_code && (code = affected_code(source, location, issue.end_location))\n      output << (code.colorize(:default))\n    end\n    output.puts\n  end\nend\noutput.puts(finished_in_message(@started_at, Time.monotonic))\noutput.puts(final_message(sources, failed_sources))\n"}},{"html_id":"source_finished(source:Source)-instance-method","name":"source_finished","doc":"Reports a result of the inspection of a corresponding source.","summary":"<p>Reports a result of the inspection of a corresponding source.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/dot_formatter.cr","line_number":21,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/dot_formatter.cr#L21"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"sym = source.valid? ? \".\".colorize(:green) : \"F\".colorize(:red)\n@mutex.synchronize do\n  output << sym\nend\n"}},{"html_id":"started(sources)-instance-method","name":"started","doc":"Reports a message when inspection is started.","summary":"<p>Reports a message when inspection is 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Time.monotonic\noutput.puts(started_message(sources.size))\noutput.puts\n"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/ExplainFormatter","path":"Ameba/Formatter/ExplainFormatter.html","kind":"class","full_name":"Ameba::Formatter::ExplainFormatter","name":"ExplainFormatter","abstract":false,"superclass":{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/Util","kind":"module","full_name":"Ameba::Formatter::Util","name":"Util"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":6,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L6"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[{"id":"HEADING","name":"HEADING","value":"\"## 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column_number}\n```","summary":"<p>Creates a new instance of ExplainFormatter.</p>","abstract":false,"args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"args_string":"(output, location)","args_html":"(output, location)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":23,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L23"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"","external_name":"output","restriction":""},{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output, location)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"html_id":"finished(sources)-instance-method","name":"finished","doc":"Reports the explainations at the *@location*.","summary":"<p>Reports the explainations at the <em>@location</em>.</p>","abstract":false,"args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"args_string":"(sources)","args_html":"(sources)","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":28,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L28"},"def":{"name":"finished","args":[{"name":"sources","doc":null,"default_value":"","external_name":"sources","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source = sources.find do |__arg0|\n  __arg0.path == @location.filename\nend\nif source\nelse\n  return\nend\nissue = source.issues.find do |__arg1|\n  __arg1.location == @location\nend\nif issue\nelse\n  return\nend\nexplain(source, issue)\n"}},{"html_id":"location:Crystal::Location-instance-method","name":"location","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : Crystal::Location","args_html":" : Crystal::Location","location":{"filename":"src/ameba/formatter/explain_formatter.cr","line_number":13,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/explain_formatter.cr#L13"},"def":{"name":"location","args":[],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"Crystal::Location","visibility":"Public","body":"@location"}},{"html_id":"output:IO::FileDescriptor|IO::Memory-instance-method","name":"output","doc":null,"summary":null,"abstract":false,"args":[],"args_string":" : IO::FileDescriptor | IO::Memory","args_html":" : IO::FileDescriptor | 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that indicates when source inspection is finished.\nA corresponding source is passed as an argument.","summary":"<p>Callback that indicates when source inspection is finished.</p>","abstract":false,"args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"args_string":"(source : Source)","args_html":"(source : <a href=\"../../Ameba/Source.html\">Source</a>)","location":{"filename":"src/ameba/formatter/flycheck_formatter.cr","line_number":5,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/flycheck_formatter.cr#L5"},"def":{"name":"source_finished","args":[{"name":"source","doc":null,"default_value":"","external_name":"source","restriction":"Source"}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"source.issues.each do |e|\n  if e.disabled?\n    next\n  end\n  if loc = e.location\n    @mutex.synchronize do\n      output.printf(\"%s:%d:%d: %s: [%s] %s\\n\", source.path, loc.line_number, loc.column_number, e.rule.severity.symbol, e.rule.name, e.message.gsub('\\n', \" \"))\n    end\n  end\nend"}}],"macros":[],"types":[]},{"html_id":"ameba/Ameba/Formatter/JSONFormatter","path":"Ameba/Formatter/JSONFormatter.html","kind":"class","full_name":"Ameba::Formatter::JSONFormatter","name":"JSONFormatter","abstract":false,"superclass":{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},"ancestors":[{"html_id":"ameba/Ameba/Formatter/BaseFormatter","kind":"class","full_name":"Ameba::Formatter::BaseFormatter","name":"BaseFormatter"},{"html_id":"ameba/Reference","kind":"class","full_name":"Reference","name":"Reference"},{"html_id":"ameba/Object","kind":"class","full_name":"Object","name":"Object"}],"locations":[{"filename":"src/ameba/formatter/json_formatter.cr","line_number":66,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L66"}],"repository_name":"ameba","program":false,"enum":false,"alias":false,"aliased":null,"aliased_html":null,"const":false,"constants":[],"included_modules":[],"extended_modules":[],"subclasses":[],"including_types":[],"namespace":{"html_id":"ameba/Ameba/Formatter","kind":"module","full_name":"Ameba::Formatter","name":"Formatter"},"doc":"A formatter that produces the result in a json format.\n\nExample:\n\n```\n{\n  \"metadata\": {\n    \"ameba_version\":   \"x.x.x\",\n    \"crystal_version\": \"x.x.x\",\n  },\n  \"sources\": [\n    {\n      \"issues\": [\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   17,\n          },\n          \"end_location\": {\n            \"column\": 20,\n            \"line\":   17,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   18,\n          },\n          \"end_location\": {\n            \"column\": 8,\n            \"line\":   18,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n        },\n        {\n          \"location\": {\n            \"column\": 7,\n            \"line\":   19,\n          },\n          \"end_location\": {\n            \"column\": 9,\n            \"line\":   19,\n          },\n          \"message\":   \"Useless assignment to variable `a`\",\n          \"rule_name\": \"UselessAssign\",\n          \"severity\":  \"Convention\",\n        },\n      ],\n      \"path\": \"src/ameba/formatter/json_formatter.cr\",\n    },\n  ],\n  \"summary\": {\n    \"issues_count\":         3,\n    \"target_sources_count\": 1,\n  },\n}\n```\n","summary":"<p>A formatter that produces the result in a json format.</p>","class_methods":[],"constructors":[{"html_id":"new(output=STDOUT)-class-method","name":"new","doc":null,"summary":null,"abstract":false,"args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"args_string":"(output = STDOUT)","args_html":"(output = <span class=\"t\">STDOUT</span>)","location":{"filename":"src/ameba/formatter/json_formatter.cr","line_number":67,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/formatter/json_formatter.cr#L67"},"def":{"name":"new","args":[{"name":"output","doc":null,"default_value":"STDOUT","external_name":"output","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"_ = allocate\n_.initialize(output)\nif _.responds_to?(:finalize)\n  ::GC.add_finalizer(_)\nend\n_\n"}}],"instance_methods":[{"html_id":"finished(sources)-instance-method","name":"finished","doc":"Callback that indicates when inspection is finished.\nA list of inspected sources is passed as an argument.","summary":"<p>Callback that indicates when inspection is 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!issue.disabled?\nend\nelse\n  @output.puts(\"No issues found. 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The line above the location is a comment directive.\n\nFor example, here are two examples of disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\nTime.epoch(1483859302)\n\nTime.epoch(1483859302) # ameba:disable Style/LargeNumbers\n```\n\nBut here are examples which are not considered as disabled location:\n\n```\n# ameba:disable Style/LargeNumbers\n#\nTime.epoch(1483859302)\n\nif use_epoch? # ameba:disable Style/LargeNumbers\n  Time.epoch(1483859302)\nend\n```","summary":"<p>Returns true if current location is disabled for a particular rule, false otherwise.</p>","abstract":false,"args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"args_string":"(location, rule)","args_html":"(location, rule)","location":{"filename":"src/ameba/inline_comments.cr","line_number":39,"url":"https://github.com/crystal-ameba/ameba/blob/48b15b9b/src/ameba/inline_comments.cr#L39"},"def":{"name":"location_disabled?","args":[{"name":"location","doc":null,"default_value":"","external_name":"location","restriction":""},{"name":"rule","doc":null,"default_value":"","external_name":"rule","restriction":""}],"double_splat":null,"splat_index":null,"yields":null,"block_arg":null,"return_type":"","visibility":"Public","body":"if rule.name.in?(Rule::SPECIAL)\n  return false\nend\nif line_number = location.try do |__arg0|\n  __arg0.line_number.try(&.-(1))\nend\nelse\n  return false\nend\nif line = lines[line_number]?\nelse\n  return false\nend\n(line_disabled?(line, rule)) || (((line_number > 0 && (prev_line = lines[line_number - 1])) && (comment?(prev_line))) && (line_disabled?(prev_line, rule)))\n"}},{"html_id":"parse_inline_directive(line)-instance-method","name":"parse_inline_directive","doc":"Parses inline comment directive. 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\ No newline at end of file