chickadee » ck-macros » c-u<=

(c-u<= U1 U2) → '#t or '#fsyntax

Unary less-than-or-equals. Yields '#t if first list is the same length or shorter than the second list, otherwise yields '#f.

(ck () (c-quote (c-u<= '(1 2) '(a b c))))
;; ==> '#t
(ck () (c-quote (c-u<= '(1 2 3) '(a b c))))
;; ==> '#t
(ck () (c-quote (c-u<= '(1 2 3 4) '(a b c))))
;; ==> '#f