RosettaCodeData/Task/Generic-swap/ACL2/generic-swap.acl2
2023-07-01 13:44:08 -04:00

6 lines
131 B
Text

(defun swap (pair)
(cons (cdr pair)
(car pair)))
(let ((p (cons 1 2)))
(cw "Before: ~x0~%After: ~x1~%" p (swap p)))