Paul Rubin wrote: > "Alex Mizrahi" <[EMAIL PROTECTED]> writes: >> we can implement Scheme's call-with-current-continuation first :) >> it's relatively easy -- just a code walker that coverts everyting into CPS. > > It's not enough to convert to CPS, you have to be able to actually > save the continuation when you switch to another one, so you can go > back to the first one later.
You get this for free once your program is in CPS. (This is true for any language, btw. It's just that it's easier to abstract away from the details of CPS in Lisp.) Pascal -- My website: http://p-cos.net Common Lisp Document Repository: http://cdr.eurolisp.org Closer to MOP & ContextL: http://common-lisp.net/project/closer/ -- http://mail.python.org/mailman/listinfo/python-list
