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


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2.0.0 äº??????±å????¯æ???????? Rails ??¢ã????ªã?±ã?¼ã?·ã?§ã?³ã?§ã????§ã????¯ã?????çµ??????ªã?®ã?§ã????»ã?¨ã????©ã??å®??????¨ã?«å½±??¿ã?®ã??????????§ã?????
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Bug #7300: Hash#[] ??®æ???????? 1.9.3 ??¨ç?°ã?ªã?£ã?¦ã?????
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]] ???å®?è¡?????????? 1.9.3 ??§ã?? {} ??¨ã?ªã???????®ã?? 2.0.0 ??§ã?? ArgumentError ??¨ã?ªã????¾ã?????

??ªã?????????????«ç?¸è???????¦ã?¿ã????????2.0.0 ??®å????????ä¸?æ­£ã?ªã????®ã???????§ã????¯ã????¦ã?¦æ­£???????????????
???????????¨ã??????????¦ã??????????¾ã???????????2.0.0 ??§ã?? dupricate ??®è­¦???????????«ã????¦ã??
次ã?®ã?ªã?ªã?¼ã?¹ã?§æ???????¨ã???????¹ã????¯ã??????????«æ???????¾ã?????


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