From: ts Date: 2000-12-25T00:44:44+09:00 Subject: [ruby-talk:8043] Re: Basic hash question >>>>> "D" == Dave Thomas writes: >> copy-on-write, like regexp D> a.id # => 537675084 D> b.id # => 537675424 See rb_str_new4(), you have 2 differents objects which reference the same C string (like for regexp) Guy Decoux