Merge pull request #384 from crystal-ameba/fix-issue-383

Fix `Style/VerboseBlock` rule to work with binary operations

spec/ameba/rule/style/verbose_block_spec.cr

@@ -25,6 +25,7 @@ module Ameba::Rule::Style
         (1..3).map { |l| l.to_i64 * l.to_i64 }
         (1..3).map { |m| m.to_s[start: m.to_i64, count: 3]? }
         (1..3).map { |n| n.to_s.split.map { |z| n.to_i * z.to_i }.join }
+        (1..3).map { |o| o.foo = foos[o.abs]? || 0 }
         CRYSTAL
     end
 

src/ameba/rule/style/verbose_block.cr

@@ -99,6 +99,9 @@ module Ameba::Rule::Style
         node.named_args.try &.each do |arg|
           i += reference_count(arg.value, obj)
         end
+      when Crystal::BinaryOp
+        i += reference_count(node.left, obj)
+        i += reference_count(node.right, obj)
       when Crystal::Block
         i += reference_count(node.body, obj)
       when Crystal::Var
@@ -230,7 +233,7 @@ module Ameba::Rule::Style
       # we filter out the blocks that are of call type - `i.to_i64.odd?`
       return unless (body = block.body).is_a?(Crystal::Call)
 
-      # we need to "unwind" the chain challs, so the final receiver object
+      # we need to "unwind" the chain calls, so the final receiver object
       # ends up being a variable - `i`
       obj = body.obj
       while obj.is_a?(Crystal::Call)