From: matz@... (Yukihiro Matsumoto) Date: 2000-11-30T10:01:44+09:00 Subject: [ruby-talk:6657] Re: Hash with a key of nil ? Hi, In message "[ruby-talk:6643] Re: Hash with a key of nil ?" on 00/11/30, Dave Thomas writes: |Back to 'nil' as a Hash key. I can't see any reason to forbid it |(although I believe older Rubys did). For example: It did. But I consder it was a bug. matz.