From: matz@... (Yukihiro Matsumoto) Date: 2001-12-17T16:57:11+09:00 Subject: [ruby-talk:28742] Re: rruby b Hi, In message "[ruby-talk:28599] rruby b" on 01/12/15, Jack Dempsey writes: |if defined? table Don't use defined? for local variables like this. Determination is done in compile time, so that result may be different from your expectation. matz.