jweinst1
10/26/2016 - 6:34 AM
takes the length of a scheme list
takes the length of a scheme list
(define len
(lambda (lst)
(if (null? lst)
0
(+ 1 (len (cdr lst)))
)
)
)takes the length of a scheme list
(define len
(lambda (lst)
(if (null? lst)
0
(+ 1 (len (cdr lst)))
)
)
)