redundant_merge.rb in rubocop-performance-1.3.0

- old
+ new

@@ -9,13 +9,13 @@
       # @example
       #   hash.merge!(a: 1)
       #   hash.merge!({'key' => 'value'})
       #   hash.merge!(a: 1, b: 2)
       class RedundantMerge < Cop
-        AREF_ASGN = '%<receiver>s[%<key>s] = %<value>s'.freeze
-        MSG = 'Use `%<prefer>s` instead of `%<current>s`.'.freeze
+        AREF_ASGN = '%<receiver>s[%<key>s] = %<value>s'
+        MSG = 'Use `%<prefer>s` instead of `%<current>s`.'
 
-        WITH_MODIFIER_CORRECTION = <<-RUBY.strip_indent
+        WITH_MODIFIER_CORRECTION = <<~RUBY
           %<keyword>s %<condition>s
           %<leading_space>s%<indent>s%<body>s
           %<leading_space>send
         RUBY
 