RosettaCodeData/Task/Factorial/Common-Lisp/factorial-4.lisp
2023-07-01 13:44:08 -04:00

5 lines
134 B
Common Lisp

(defun factorial (n)
"Calculates N!"
(loop for result = 1 then (* result i)
for i from 2 to n
finally (return result)))