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[plt-scheme] looping?

From: Mike (mikee at mikee.ath.cx)
Date: Mon Jun 5 21:05:57 EDT 2006		 
I know there is intended a lot of recursion for scheme,
but is there looping? The REPL construct isn't recursive
(my guess). How do you loop?

(define *running* #t)
(while *running*
  (if (something-is-done)
    (set! *running* #f)))

Mike
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