From: Phrogz Date: 2007-03-21T04:50:09+09:00 Subject: Re: Defining my own class of unique objects On Mar 20, 12:56 pm, "jmay" wrote: > I'm trying to define a class with semantics similar to Fixnum, where > every object is unique. Each object has some internal state, more > complex that a single numeric value. Smells like you want the (name under some discussion) Multiton pattern: http://rubyurl.com/qqw