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<a href="../../../Ameba/Rule/Naming/RescuedExceptionsVariableName.html">RescuedExceptionsVariableName</a>
</li>
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<a href="../../../Ameba/Rule/Naming/TypeNames.html">TypeNames</a>
</li>
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<a href="../../../Ameba/Rule/Naming/VariableNames.html">VariableNames</a>
</li>
</ul>
</li>
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<a href="../../../Ameba/Rule/Performance.html">Performance</a>
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<a href="../../../Ameba/Rule/Performance/Base.html">Base</a>
</li>
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<a href="../../../Ameba/Rule/Performance/ChainedCallWithNoBang.html">ChainedCallWithNoBang</a>
</li>
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<a href="../../../Ameba/Rule/Performance/CompactAfterMap.html">CompactAfterMap</a>
</li>
<li class=" " data-id="ameba/Ameba/Rule/Performance/ExcessiveAllocations" data-name="ameba::rule::performance::excessiveallocations">
<a href="../../../Ameba/Rule/Performance/ExcessiveAllocations.html">ExcessiveAllocations</a>
</li>
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<a href="../../../Ameba/Rule/Performance/FirstLastAfterFilter.html">FirstLastAfterFilter</a>
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<a href="../../../Ameba/Rule/Performance/FlattenAfterMap.html">FlattenAfterMap</a>
</li>
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<a href="../../../Ameba/Rule/Performance/MapInsteadOfBlock.html">MapInsteadOfBlock</a>
</li>
<li class=" " data-id="ameba/Ameba/Rule/Performance/MinMaxAfterMap" data-name="ameba::rule::performance::minmaxaftermap">
<a href="../../../Ameba/Rule/Performance/MinMaxAfterMap.html">MinMaxAfterMap</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>
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<a href="../../../Ameba/Rule/Style.html">Style</a>
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<a href="../../../Ameba/Rule/Style/GuardClause.html">GuardClause</a>
</li>
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<a href="../../../Ameba/Rule/Style/IsAFilter.html">IsAFilter</a>
</li>
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<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/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/ParenthesesAroundCondition" data-name="ameba::rule::style::parenthesesaroundcondition">
<a href="../../../Ameba/Rule/Style/ParenthesesAroundCondition.html">ParenthesesAroundCondition</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>
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<a href="../../../Ameba/Rule/Style/RedundantNext.html">RedundantNext</a>
</li>
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<a href="../../../Ameba/Rule/Style/RedundantReturn.html">RedundantReturn</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/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>
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</ul>
</li>
<li class="parent " data-id="ameba/Ameba/Runner" data-name="ameba::runner">
<a href="../../../Ameba/Runner.html">Runner</a>
<ul>
<li class=" " data-id="ameba/Ameba/Runner/InfiniteCorrectionLoopError" data-name="ameba::runner::infinitecorrectionlooperror">
<a href="../../../Ameba/Runner/InfiniteCorrectionLoopError.html">InfiniteCorrectionLoopError</a>
</li>
</ul>
</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="parent " data-id="ameba/Ameba/Source" data-name="ameba::source">
<a href="../../../Ameba/Source.html">Source</a>
<ul>
<li class=" " data-id="ameba/Ameba/Source/Corrector" data-name="ameba::source::corrector">
<a href="../../../Ameba/Source/Corrector.html">Corrector</a>
</li>
<li class=" " data-id="ameba/Ameba/Source/Rewriter" data-name="ameba::source::rewriter">
<a href="../../../Ameba/Source/Rewriter.html">Rewriter</a>
</li>
</ul>
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<li class="parent " data-id="ameba/Ameba/Spec" data-name="ameba::spec">
<a href="../../../Ameba/Spec.html">Spec</a>
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<a href="../../../Ameba/Spec/AnnotatedSource.html">AnnotatedSource</a>
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<a href="../../../Ameba/Spec/BeValid.html">BeValid</a>
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<a href="../../../Ameba/Spec/ExpectIssue.html">ExpectIssue</a>
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<a href="../../../Ameba/Spec/Util.html">Util</a>
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<a href="../../../Ameba/Tokenizer.html">Tokenizer</a>
</li>
</ul>
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</ul>
</div>
</div>
<div class="main-content">
<h1 class="type-name">
<span class="kind">class</span> Ameba::<wbr>Rule::<wbr>Lint::<wbr>HashDuplicatedKey
</h1>
<ul class="superclass-hierarchy"><li class="superclass"><a href="../../../Ameba/Rule/Lint/HashDuplicatedKey.html">Ameba::Rule::Lint::HashDuplicatedKey</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>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="o">=&gt;</span> <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> <span class="o">=&gt;</span> <span class="n">2</span>, <span class="s">&quot;foo&quot;</span> <span class="o">=&gt;</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="o">=&gt;</span> <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> <span class="o">=&gt;</span> <span class="n">2</span>}</code></pre>
<p>YAML configuration example:</p>
<pre><code class="language-crystal"><span class="t">Lint</span><span class="o">/</span><span class="t">HashDuplicatedKey</span>:
<span class="t">Enabled</span>: <span class="n">true</span></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">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/e6a5fa9/src/ameba/rule/lint/hash_duplicated_key.cr#L22" target="_blank">
ameba/rule/lint/hash_duplicated_key.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="MSG">
<strong>MSG</strong> = <code><span class="s">&quot;Duplicated keys in hash literal: %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>A rule that disallows duplicated keys in hash literals.</p></div>
</li>
</ul>
<h2>
<a id="class-method-summary" class="anchor" href="#class-method-summary">
<svg class="octicon-link" aria-hidden="true">
<use href="#octicon-link"/>
</svg>
</a>
Class Method Summary
</h2>
<ul class="list-summary">
<li class="entry-summary">
<a href="#parsed_doc%3AString%7CNil-class-method" class="signature"><strong>.parsed_doc</strong> : String | Nil</a>
<div class="summary"><p>Returns documentation for this rule, if there is any.</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%3D%28enabled%3ABool%29-instance-method" class="signature"><strong>#enabled=</strong>(enabled : Bool)</a>
</li>
<li class="entry-summary">
<a href="#enabled%3F%3ABool-instance-method" class="signature"><strong>#enabled?</strong> : Bool</a>
</li>
<li class="entry-summary">
<a href="#excluded%3AArray%28String%29%7CNil-instance-method" class="signature"><strong>#excluded</strong> : Array(String) | Nil</a>
</li>
<li class="entry-summary">
<a href="#excluded%3D%28excluded%3AArray%28String%29%7CNil%29-instance-method" class="signature"><strong>#excluded=</strong>(excluded : Array(String) | Nil)</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%3AAmeba%3A%3ASeverity%29-instance-method" class="signature"><strong>#severity=</strong>(severity : Ameba::Severity)</a>
</li>
<li class="entry-summary">
<a href="#test%28source%2Cnode%3ACrystal%3A%3AHashLiteral%29-instance-method" class="signature"><strong>#test</strong>(source, node : Crystal::HashLiteral)</a>
</li>
</ul>
<div class="methods-inherited">
<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#default_severity%3AAmeba%3A%3ASeverity-class-method" class="tooltip">
<span>default_severity : Ameba::Severity</span>
default_severity</a>
<h3>Macros inherited from class <code><a href="../../../Ameba/Rule/Base.html">Ameba::Rule::Base</a></code></h3>
<a href="../../../Ameba/Rule/Base.html#issue_for%28%2Aargs%2C%2A%2Akwargs%2C%26block%29-macro" class="tooltip">
<span>issue_for(*args, **kwargs, &block)</span>
issue_for</a>
<h3>Macros inherited from module <code>Ameba::Config::RuleConfig</code></h3>
<a href="../../../Ameba/Config/RuleConfig.html#properties%28%26block%29-macro" class="tooltip">
<span>properties(&block)</span>
properties</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>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="o">=&gt;</span> <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> <span class="o">=&gt;</span> <span class="n">2</span>, <span class="s">&quot;foo&quot;</span> <span class="o">=&gt;</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="o">=&gt;</span> <span class="n">1</span>, <span class="s">&quot;bar&quot;</span> <span class="o">=&gt;</span> <span class="n">2</span>}</code></pre>
<p>YAML configuration example:</p>
<pre><code class="language-crystal"><span class="t">Lint</span><span class="o">/</span><span class="t">HashDuplicatedKey</span>:
<span class="t">Enabled</span>: <span class="n">true</span></code></pre>
</div>
<br/>
<div>
[<a href="https://github.com/crystal-ameba/ameba/blob/e6a5fa9/src/ameba/rule/lint/hash_duplicated_key.cr#L22" target="_blank">View source</a>]
</div>
</div>
<h2>
<a id="class-method-detail" class="anchor" href="#class-method-detail">
<svg class="octicon-link" aria-hidden="true">
<use href="#octicon-link"/>
</svg>
</a>
Class Method Detail
</h2>
<div class="entry-detail" id="parsed_doc:String|Nil-class-method">
<div class="signature">
def self.<strong>parsed_doc</strong> : String | Nil
<a class="method-permalink" href="#parsed_doc%3AString%7CNil-class-method">#</a>
</div>
<div class="doc">
<p>Returns documentation for this rule, if there is 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>
<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>
<span class="k">end</span>
<span class="k">end</span>
<span class="t">MyRule</span>.parsed_doc <span class="c"># =&gt; &quot;This is a test rule.\nDoes nothing.&quot;</span></code></pre>
</div>
<br/>
<div>
</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=(enabled:Bool)-instance-method">
<div class="signature">
def <strong>enabled=</strong>(enabled : Bool)
<a class="method-permalink" href="#enabled%3D%28enabled%3ABool%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%3F%3ABool-instance-method">#</a>
</div>
<br/>
<div>
</div>
</div>
<div class="entry-detail" id="excluded:Array(String)|Nil-instance-method">
<div class="signature">
def <strong>excluded</strong> : Array(String) | Nil
<a class="method-permalink" href="#excluded%3AArray%28String%29%7CNil-instance-method">#</a>
</div>
<br/>
<div>
</div>
</div>
<div class="entry-detail" id="excluded=(excluded:Array(String)|Nil)-instance-method">
<div class="signature">
def <strong>excluded=</strong>(excluded : Array(String) | Nil)
<a class="method-permalink" href="#excluded%3D%28excluded%3AArray%28String%29%7CNil%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:Ameba::Severity)-instance-method">
<div class="signature">
def <strong>severity=</strong>(severity : <a href="../../../Ameba/Severity.html">Ameba::Severity</a>)
<a class="method-permalink" href="#severity%3D%28severity%3AAmeba%3A%3ASeverity%29-instance-method">#</a>
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<div class="entry-detail" id="test(source,node:Crystal::HashLiteral)-instance-method">
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def <strong>test</strong>(source, node : Crystal::HashLiteral)
<a class="method-permalink" href="#test%28source%2Cnode%3ACrystal%3A%3AHashLiteral%29-instance-method">#</a>
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[<a href="https://github.com/crystal-ameba/ameba/blob/e6a5fa9/src/ameba/rule/lint/hash_duplicated_key.cr#L29" target="_blank">View source</a>]
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