chibi-scheme/tests/basic/test00-fact-3.scm
2015-01-26 08:06:59 +09:00

14 lines
187 B
Scheme

(define (fact-helper x res)
(if (= x 0)
res
(fact-helper (- x 1) (* res x))))
(define (fact x)
(fact-helper x 1))
(display "(fact 3) => ")
(write (fact 3))
(newline)