From: Yukihiro Matsumoto Date: 2007-05-18T23:10:22+09:00 Subject: Re: Why does Array#first not use rb_ary_subseq? Hi, In message "Re: Why does Array#first not use rb_ary_subseq?" on Fri, 18 May 2007 22:35:08 +0900, Yukihiro Matsumoto writes: |Just because it is just an implementation matter. Anyway, I will |examine your code example, and check what we can do. I am sorry, I was bit confused with 1.9 (trunk) and 1.8 which you are talking about. You are right. Array#first should utilize copy-on-write as much as it can. I will fix. matz.