chibi-scheme/tests/basic/test06-letrec.scm
2015-01-26 08:06:59 +09:00

15 lines
310 B
Scheme

(letrec ((add (lambda (a b) (+ a b))))
(write (add 3 4))
(newline))
(letrec ((even? (lambda (n) (if (zero? n) #t (odd? (- n 1)))))
(odd? (lambda (n) (if (zero? n) #f (even? (- n 1))))))
(write (even? 1000))
(newline)
(write (even? 1001))
(newline)
(write (odd? 1000))
(newline)
)