[ruby-dev:49338] [Ruby trunk - Bug #11677] [Open] 52530の変更により、sprintfの引数のhashにkeyが存在していてもvalueがnilのときにKeyErrorがでるようになってしまった。
From:
spiketeika@...
Date:
2015-11-11 08:14:47 UTC
List:
ruby-dev #49338
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