Issue #7300 has been updated by hsbt (Hiroshi SHIBATA). ?????®ã?³ã?¼ã????¯ä»¥ä¸???®è????«ã?ªã????¾ã????? https://github.com/apotonick/cells/blob/master/lib/cell/test_case.rb#L78 ?????¹ã????±ã?¼ã?¹ã?«ã????£ã?¦ã?? Hash[[nil, nil, nil,...]] ??¨ã?????????????ªç?¶æ????«ã?ªã??????????§ã????? ??©ã?¤ã????©ã?ªæ?¬ä???????´ã????¹ã????§ã???????¨ã??????????¨ã?§ã???????°ã????°è????¯ã???????¾ã???????®ã?§ã????®ã???????«å??????¤ã???????§ã????? ---------------------------------------- Bug #7300: Hash#[] ??®æ???????? 1.9.3 ??¨ç?°ã?ªã?£ã?¦ã????? https://bugs.ruby-lang.org/issues/7300#change-32561 Author: hsbt (Hiroshi SHIBATA) Status: Open Priority: Normal Assignee: 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????? -- http://bugs.ruby-lang.org/