RosettaCodeData/Task/Generic-swap/TXR/generic-swap-1.txr
2023-07-01 13:44:08 -04:00

5 lines
127 B
Text

(defmacro swp (left right)
(with-gensyms (tmp)
^(let ((,tmp ,left))
(set ,left ,right
,right ,tmp))))