From: Tomoyuki Chikanaga <redmine@...>
Date: 2011-02-06T00:08:21+09:00
Subject: [ruby-core:35102] [Ruby 1.9-Feature#4197] Improvement of the benchmark library

Issue #4197 has been updated by Tomoyuki Chikanaga.


Hi,
In Benchmark#bmbm, I think it's better to use ensure clause instead of Object#tap to restore STDOUT.sync. How about a patch below?

diff --git a/lib/benchmark.rb b/lib/benchmark.rb
index 052b9ad..ac17ba4 100644
--- a/lib/benchmark.rb
+++ b/lib/benchmark.rb
@@ -266,9 +266,9 @@ module Benchmark
       GC.start
       print label.ljust(width)
       Benchmark.measure(&item).tap { |res| print res.format }
-    }.tap {
-      STDOUT.sync = sync
     }
+  ensure
+    STDOUT.sync = sync unless sync.nil?
   end
 
   #

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