chickadee » ck-macros » c-ueven?

(c-ueven? U) → '#t or '#fsyntax

Unary even?. Yields '#t if the given list's length is even (i.e. a multiple of 2), otherwise yields '#f.

(ck () (c-quote (c-ueven? '())))
;; ==> '#t
(ck () (c-quote (c-ueven? '(a))))
;; ==> '#f
(ck () (c-quote (c-ueven? '(a b))))
;; ==> '#t