Michael> I may be getting lost in subthreads here, but are we still Michael> talking about multimethods? Well, I started by talking about type categories and ways of writing programs that tested them. Dave Abrahams said, in effect, that I was really just talking about multimethods. I'm still not convinced. -- Andrew Koenig, ark@research.att.com, http://www.research.att.com/info/ark