Merge pull request #365 from elixir-editors/dont-highlight-operators-mid-identifier

syntax: match and/or/in/not as operators only if they are entire words

Author: mhinz

spec/syntax/operator_spec.rb

@@ -22,4 +22,10 @@ def foo(bar // :baz)
  :queue.in x, 5
  EOF
  end
+
+ it 'does not highlight operators inside of elixirIds' do
+ expect(<<~EOF).not_to include_elixir_syntax('elixirOperator', 'in')
+ incoming
+ EOF
+ end
 end

syntax/elixir.vim

@@ -36,7 +36,7 @@ syn keyword elixirSelf self
 " This unfortunately also matches function names in function calls
 syn match elixirUnusedVariable contained '\v%(^|[^.])@<=<_\w*>'
 
-syn match elixirOperator '\v\.@<!%(and|or|in|not)'
+syn match elixirOperator '\v\.@<!<%(and|or|in|not)>'
 syn match elixirOperator '!==\|!=\|!'
 syn match elixirOperator '=\~\|===\|==\|='
 syn match elixirOperator '<<<\|<<\|<=\|<-\|<'