From: matz@... (Yukihiro Matsumoto) Date: 2001-10-10T14:20:16+09:00 Subject: [ruby-talk:22374] Re: include vs. extend Hi, In message "[ruby-talk:22332] Re: include vs. extend" on 01/10/10, Paul Brannan writes: |So in 3/4 cases, extend is (consistently) faster. Why is this? I don't know. If I'm right include and extend create same structures, that only differ that extend creates per object structures. matz.