Commits on Jul 17, 2022

1. Add new Style/EmptyHeredoc cop …

   ## Summary
   
   Checks for using empty heredoc to reduce redundancy.
   
   ```ruby
   # bad
   <<~EOS
   EOS
   
   <<-EOS
   EOS
   
   <<EOS
   EOS
   
   # good
   ''
   
   # bad
   do_something(<<~EOS)
   EOS
   
   do_something(<<-EOS)
   EOS
   
   do_something(<<EOS)
   EOS
   
   # good
   do_something('')
   ```
   
   ## Other Information
   
   I noticed the following redundancy in the RuboCop test code:
   
   ```ruby
   expect_correction(<<~RUBY)
   RUBY
   ```
   
   This cop solves it generically.

   

   koic committed Jul 17, 2022
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