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макры рулят
Jul. 4th, 2006 06:16 pmGuy Lapalme. Implementation of a "Lisp comprehension" macro.
Вот что делают!
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lispnik
Вот что делают!
(defun perms (x)
(if (null x) ’(())
[(cons a p) (a <- x) (p <- (perms (remove a x :count 1)))]))
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lispnik
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