madlisp/mad/fact.mad
2020-06-08 09:55:29 +07:00

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;; Functions to calculate factorial
;; Recursive version, not tail call optimized
(def recFact (fn (n) (if (< n 2) 1 (* n (recFact (- n 1))))))
;; Apply version
(def applyFact (fn (n) (if (< n 2) 1 (apply * (range 1 (+ n 1))))))