CPS is for old people. Be careful. See Dybvig's paper on measurable benefits (or lack thereof) for values and friends.
On Dec 14, 2011, at 9:00 AM, J. Ian Johnson wrote: > In CPS, n-return values just means your continuation is n-ary. You don't need > to allocate cells to put all your return values in. I don't know if Racket's > implementation doesn't need to allocate, but that's also a bonus. > -Ian > ----- Original Message ----- > From: "David Van Horn" <dvanh...@ccs.neu.edu> > To: users@racket-lang.org > Sent: Wednesday, December 14, 2011 7:56:15 AM GMT -05:00 US/Canada Eastern > Subject: Re: [racket] Multiple return values > > On 12/14/11 5:54 AM, Zayr Okale wrote: >> Hello, everyone. >> >> Can someone please explain to me multiple return values? Not what it >> does, I understand that much, but what is this feature for? In what >> situations is it useful? > > It's useful in situations where several values are the result of a > single computation. A simple example of this situation is the quotient > and remainder of an integer division. > > There's also a more philosophical argument for them which is that, for > symmetry, functions should be able to produce multiple results since > they may consume multiple inputs. > > David > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
