Created
November 25, 2012 14:42
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ある処理の実行時間を計る
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| def time_watch(&b) | |
| t1 = Time.now | |
| yield | |
| t2 = Time.now | |
| t2-t1 | |
| end | |
| time_watch{sleep 4} | |
| #=> 4.000228 |
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