[plt-scheme] Continuations

Joseph Anthony Pasquale Holsten <joseph at josephholsten.com> writes:

> Okay, with the closure discussion wrapping up, what is a
> continuation? I get closures as in
> (define (f x) (lambda (y) (* x y)))
>
> but is that a continuation too? Is a closure necessarily a
> continuation, or vise versa, or are they mutually exclusive?
>

Will Farr made a nice posting on this with a link on his blog:
http://wmfarr.blogspot.com/2007/09/quick-note-on-continuations-to.html

It cleared up a lot of confusion for me.  I'm less confused about what
continuations are than when they will be useful to directly
manipulate.  I understand the escape/abortive continuation way of
catching exceptions, but can people list other situations?

Joel
-- 
Joel J. Adamson
Biostatistician
Pediatric Psychopharmacology Research Unit
Massachusetts General Hospital
Boston, MA  02114
(617) 643-1432
(303) 880-3109


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