From: Its Me Date: 2004-04-06T01:24:23+09:00 Subject: Modules / class extension / selector namespaces Just wanted to point out a very fresh and good discussion of (one scheme of) doing this. http://kilana.unibe.ch:9090/classboxes/classboxtutorial/ In particular what they do is very applicable to the the Ruby idiom of extending existing classes: class Array; .... end module MyStuff class Array; .... make Arrays smarter; end end