Issue #7300 has been updated by hsbt (Hiroshi SHIBATA).


?????ゃ????????篋?茹c?с?????

2.0.0 篋??????怨???????????? Rails ??≪?????宴?若?激?с?潟?с????с?????????腟????????с????祉???????絎???????綵??帥???????????с?????
篁?緇?????????????荅潟??????吾???????????障?????


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Bug #7300: Hash#[] ?????????? 1.9.3 ???違??c??????
https://bugs.ruby-lang.org/issues/7300#change-32598

Author: hsbt (Hiroshi SHIBATA)
Status: Assigned
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: core
Target version: 2.0.0
ruby -v: ruby 2.0.0dev (2012-11-07) [x86_64-darwin12.2.0]


Hash[[nil]] ???絎?茵?????????? 1.9.3 ??с?? {} ???????????? 2.0.0 ??с?? ArgumentError ???????障?????

????????????????梧????????帥????????2.0.0 ??????????筝?罩c????????????с?????????罩???????????????
???????????????????????????????障???????????2.0.0 ??с?? dupricate ??茘?????????????????
罨<????若?鴻?ф??????????????鴻?????????????????????障?????


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