RosettaCodeData/Task/Mutual-recursion/PicoLisp/mutual-recursion.l

10 lines
129 B
Plaintext

(de f (N)
(if (=0 N)
1
(- N (m (f (dec N)))) ) )
(de m (N)
(if (=0 N)
0
(- N (f (m (dec N)))) ) )