On Tue, Nov 3, 2009 at 10:58 PM, rob <[email protected]> wrote:
>
> I'm pretty sure there was an example of this using continuations in
> Dybvig's book on Scheme. I just flipped through it and didn't readily
> find it, but I think that is where I saw it.
You can do something like this (PLT Scheme):
#lang scheme
(define (foo n)
(define (foo-helper return)
(if (> n 0)
(return n)
(* -1 n)))
(call/cc foo-helper))
(display (foo 10))
--
Chris Wilson <[email protected]>
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