From: Marnen Laibow-Koser Date: 2009-11-18T03:22:01+09:00 Subject: Re: Trajectories Caleb Clausen wrote: > On 11/17/09, Marnen Laibow-Koser wrote: >>> Yeah, but you can't manipulate their results when they return one if >>> they ever do as if they were numbers. >> >> Of course you can, unless I'm totally misunderstanding. Got a concrete >> example > > The pi_over_4 method I posted earlier is a good one. You can't > manipulate the _future_ result of that as if it were a number, because > (among other things) it never returns. Need a lazy functional language > for that kind of thing. (If that even suffices....) You can't manipulate the future in any language that I'm aware of -- it's not there to manipulate yet! Are you thinking of lisp's tail-recursion optimization? -- Posted via http://www.ruby-forum.com/.