Yukihiro Matsumoto wrote: > |Fair enough - but then does it make sense to have these operations > |defined? > > Because it's very pragmatically useful for most of the case. > Theoretical cleanliness is not my concern. Aah, I see. I guess I agree. > |Perhaps there should > |be a way to distinguish between sets that are countable finite and those > |that are countably infinite? > > And adding one burden to library implementer (including me)? Fair enough :). It would probably be overly confusing for the coder, too. > |Does 1.9 include provisions for handling > |infinite lists or sets? > > I think you mean generator. If so, it has been supported since 1.8. You are correct, I see Generators in 1.8 can do everything I want. Seems I don't know Ruby as well as I thought. :) Thanks for clarifying everything. Ben Kudria -- http://ben.kudria.net | Jabber: ben / kudria.net -- Posted via http://www.ruby-forum.com/.