Merge pull request #300 from crystal-ameba/Sija/some-refactors

Misc refactors

spec/ameba/rule/lint/shadowing_outer_local_var_spec.cr

@@ -211,11 +211,13 @@ module Ameba::Rule::Lint
               end
 
               def bar
-                {{@type.instance_vars.map do |ivar|
+                {{
+                  @type.instance_vars.map do |ivar|
                     ivar.annotations(Name).each do |ann|
                       puts ann.args
                     end
-                  end}}
+                  end
+                }}
               end
             end
           end

spec/ameba/rule/lint/unused_argument_spec.cr

@@ -218,11 +218,11 @@ module Ameba::Rule::Lint
         s = Source.new %(
           record X do
             macro foo(a, b)
-              {{a}} + {{b}}
+              {{ a }} + {{ b }}
             end
 
             macro bar(a, b, c)
-              {{a}} + {{b}} + {{c}}
+              {{ a }} + {{ b }} + {{ c }}
             end
           end
         )

spec/ameba/rule/lint/useless_assign_spec.cr

@@ -949,7 +949,7 @@ module Ameba::Rule::Lint
           foo = 22
 
           {% for x in %w(foo) %}
-            add({{x.id}})
+            add({{ x.id }})
           {% end %}
         )
         subject.catch(s).should be_valid