test/lists.lisp @ f9fec2ff0ff5

Add assocar/assocdr/rassocar/rassocdr accessors
author Steve Losh <steve@stevelosh.com>
date Thu, 08 Apr 2021 20:29:23 -0400
parents 6dbc64f70f9b
children e9553a14c887
(in-package :losh.test)

(define-test somelist
  (is (equal '(a b c d)
             (somelist (lambda (l)
                         (if (eq (car l) 'a)
                           l
                           nil))
                       '(a b c d))))
  (is (equal '(c d)
             (somelist (lambda (l)
                         (if (eq (car l) 'c)
                           l
                           nil))
                       '(a b c d))))
  (is (equal 6
             (somelist (lambda (l1 l2)
                         (if (eq (car l1) (car l2))
                           (+ (length l1) (length l2))
                           nil))
                       '(a b c d e)
                       '(e d c b a)))))