not-equal.scm

;; This file is part of Scheme+

;; Copyright 2021-2024 Damien MATTEI

;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.


(define-module (not-equal)

  #:export (<> ≠))



;; not equal operator for numbers

;; scheme@(guile-user)> (<> 1 2)
;; #t
;; scheme@(guile-user)> {1 <> 2}
;; #t
;; scheme@(guile-user)> {1 <> 1}
;; #f


(define (<> x y)
  (not (= x y)))

(define (≠ x y)
  (not (= x y)))