From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Setting variables, argumunts in defun Date: Sat, 13 Feb 2021 22:15:33 +0300 Message-ID: References: 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="32356"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0 (3d08634) (2020-11-07) Cc: Help Gnu Emacs To: wael-zwaiter@gmx.com Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 13 20:18:49 2021 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 1lB0RN-0008Jj-5B for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 13 Feb 2021 20:18:49 +0100 Original-Received: from localhost ([::1]:38184 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lB0RM-0007Cp-83 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 13 Feb 2021 14:18:48 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52910) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lB0Qk-0006qM-Or for help-gnu-emacs@gnu.org; Sat, 13 Feb 2021 14:18:10 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:55403) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lB0Qi-0003Qx-9E for help-gnu-emacs@gnu.org; Sat, 13 Feb 2021 14:18:09 -0500 Original-Received: from localhost ([::ffff:197.157.0.47]) (AUTH: PLAIN securesender, TLS: TLS1.2,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000001E07B.00000000602825EC.000022D4; Sat, 13 Feb 2021 12:18:04 -0700 Mail-Followup-To: wael-zwaiter@gmx.com, Help Gnu Emacs Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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:127967 Archived-At: * wael-zwaiter@gmx.com [2021-02-13 19:19]: > I would like to set up devi and scal by selecting either one or > the other. Wow can I do this in elisp. Should I pass parameters > to the function. Can one pass a string, then check its contents? > > (defun deviscal () > > (setq devi 0.18) > (setq scal 0.2) > > (setq devi 0.0) > (setq scal 1.0) ) I am trying to understand. How are you selecting either one or the other? What is devi? What is scal? Is that meaning something special? If you mean to make a function to set variable devi or scal, you could do maybe function like this: (defun devi-scal (&optional devi-value scal-vale) (when devi (setq devi devi)) (when scal (setq scal scal))) But that implies that variables `devi' and `scal' are global and you wish to set global variable. Then you could use (devi-scal 0.18 nil) to set only variable `devi' or (devi-cale nil 0.18) to set only variable `scal' or (devi-scal 0.18 1.0) to set both of them. Is that what you mean? Jean