kazu	2018-06-10 12:10:13 +0900 (Sun, 10 Jun 2018)

  New Revision: 63620

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63620

  Log:
    Use `&.` instead of modifier if

  Modified files:
    trunk/test/testunit/test_parallel.rb
Index: test/testunit/test_parallel.rb
===================================================================
--- test/testunit/test_parallel.rb	(revision 63619)
+++ test/testunit/test_parallel.rb	(revision 63620)
@@ -151,7 +151,7 @@ module TestParallel https://github.com/ruby/ruby/blob/trunk/test/testunit/test_parallel.rb#L151
       rescue Timeout::Error
         Process.kill(:KILL, @test_pid) if @test_pid
       ensure
-        @test_out.close if @test_out
+        @test_out&.close
       end
     end
 

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