;;; Mudsync --- Live hackable MUD ;;; Copyright © 2017 Christopher Allan Webber ;;; ;;; This file is part of Mudsync. ;;; ;;; Mudsync 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. ;;; ;;; Mudsync 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 Mudsync. If not, see . (define-module (mudsync utils) #:use-module (srfi srfi-1) #:export (ci-member)) (define (ci-member x lst) "Case insensitive member check" (member x lst (lambda (x y) (equal? (string-downcase x) (string-downcase y)))))