Commits on Jul 3, 2021

1. Fix an incorrect auto-correct for Style/SingleLineMethods …

   This PR fixes an incorrect auto-correct for `Style/SingleLineMethods`
   when using `return`, `break`, or `next` for one line method body in Ruby 3.0.
   
   These are not supported in the endless method definition.
   
   ```console
   % ruby -v
   ruby 3.0.1p64 (2021-04-05 revision 0fb782ee38) [x86_64-darwin19]
   
   % cat example.rb
   def foo(argument) break bar(argument); end
   def foo(argument) next bar(argument); end
   def foo(argument) return bar(argument); end
   
   % ruby -c example.rb
   Syntax OK
   
   % bundle exec rubocop --only Style/SingleLineMethods -a
   (snip)
   
   Inspecting 1 file
   C
   
   Offenses:
   
   example.rb:1:1: C: [Corrected] Style/SingleLineMethods: Avoid
   single-line method definitions.
   def foo(argument) break bar(argument); end
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   example.rb:2:1: C: [Corrected] Style/SingleLineMethods: Avoid
   single-line method definitions.
   def foo(argument) next bar(argument); end
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   example.rb:3:1: C: [Corrected] Style/SingleLineMethods: Avoid
   single-line method definitions.
   def foo(argument) return bar(argument); end
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   
   1 file inspected, 3 offenses detected, 3 offenses corrected
   
   % cat example.rb
   def foo(argument) = break bar(argument)
   def foo(argument) = next bar(argument)
   def foo(argument) = return bar(argument)
   
   % ruby -ce 'def foo(argument) = break bar(argument)'
   -e:1: syntax error, unexpected local variable or method, expecting
   end-of-input
   def foo(argument) = break bar(argument)
   
   % ruby -ce 'def foo(argument) = next bar(argument)'
   -e:1: syntax error, unexpected local variable or method, expecting
   end-of-input
   def foo(argument) = next bar(argument)
   
   % ruby -ce 'def foo(argument) = return bar(argument)'
   -e:1: syntax error, unexpected local variable or method, expecting
   end-of-input
   def foo(argument) = return bar(argument)
   ```

   

   koic committed Jul 3, 2021
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