From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: wilnerthomas--- via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Function that changes value of a variable Date: Sun, 21 Aug 2022 02:54:52 +0200 (CEST) Message-ID: Reply-To: wilnerthomas@tutanota.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2563"; mail-complaints-to="usenet@ciao.gmane.io" To: Help Gnu Emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 21 02:55:41 2022 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oPZFd-0000S6-3C for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 21 Aug 2022 02:55:41 +0200 Original-Received: from localhost ([::1]:48480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oPZFb-0000zj-V9 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 20 Aug 2022 20:55:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52886) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oPZEt-0000zW-Ix for help-gnu-emacs@gnu.org; Sat, 20 Aug 2022 20:54:55 -0400 Original-Received: from w1.tutanota.de ([81.3.6.162]:45502) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oPZEr-0000tO-Uc for help-gnu-emacs@gnu.org; Sat, 20 Aug 2022 20:54:55 -0400 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id 4324FFBF915 for ; Sun, 21 Aug 2022 00:54:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1661043292; s=s1; d=tutanota.com; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Cc:Date:Date:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:Sender; bh=5XG1lQ+0JJI0dJwFlLSqcwXNhRk3Et90KrBFeMGLF6Q=; b=KVQ5w3fzAyIVvQqc0F1pZUSi6rR6G5rj9yhJGzIRTZgpp/smmxPjpn1khXo7h0Lt 8MUhYDy5W0TM1JPzkF8Z3PPFzdPUy2hsYFE0u803R76MQVo2jxXLQFr0ctRHyfUFBso b8juiHk5hmUbqHUQS278w01QM7wL+Vvna/6N/oErLcNiFcWrXBPCt7eCE5WKJfXszhx BMSjJxB32cbIBJ21GQCg5QjaZryXEOwjvIg8vjc949Jr/VGvvA9oseaoRtJaDMLVQiu K98N2KyLxXqNxdm084cVoGdVfra/glG5izpFe63H+dI1xrgT/LoVU03giMbX8wSKth0 Xrbviyob2w== Received-SPF: pass client-ip=81.3.6.162; envelope-from=wilnerthomas@tutanota.com; helo=w1.tutanota.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:138952 Archived-At: I am trying to change the value a a variable with the following function, but is not working as intended. (defun constrain (var min-n max-n) "Ensure that value of var is between MIN-N and MAX-N inclusive by constraining." (cond ((< var min-n) (setq var min-n)) ((> var max-n) (setq var max-n)) ((eq var t) (setq var 1)) ((eq var nil) (setq var 0)))) Have done the following test, but the value stays 21. (defvar pingu 21) (constrain pingu 0 8) (message "%d" pingu)