From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: carlmarcos--- via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Generality of defvar Date: Wed, 27 Jul 2022 01:10:31 +0200 (CEST) Message-ID: References: <87r127h40s.fsf@posteo.net-N7wjq17--3-2> Reply-To: carlmarcos@tutanota.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2328"; mail-complaints-to="usenet@ciao.gmane.io" Cc: carlmarcos--- via Users list for the GNU Emacs text editor To: Philip Kaludercic Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jul 27 01:12:19 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 1oGTis-0000LL-7r for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 27 Jul 2022 01:12:18 +0200 Original-Received: from localhost ([::1]:58500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oGTin-0001E7-HX for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 26 Jul 2022 19:12:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60412) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oGThD-0001Dz-Rx for help-gnu-emacs@gnu.org; Tue, 26 Jul 2022 19:10:35 -0400 Original-Received: from w1.tutanota.de ([81.3.6.162]:39328) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oGThC-0005iZ-5z for help-gnu-emacs@gnu.org; Tue, 26 Jul 2022 19:10:35 -0400 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id B79C9FBF68C; Tue, 26 Jul 2022 23:10:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1658877031; s=s1; d=tutanota.com; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:References:Sender; bh=c+v0DHGcvN364SYOTm0gXTGMI3THlg3H7cKhmhsCvJY=; b=R/IcnqXKoZkTyoHo8M0fksXJsMd5+vtY41syUxVoG1K6eu46S3n0brjV8gLYwLi9 sLfRG55ytTTmJELuEG1fc0hemUBd2nlAVoWWlR2Iv4iMY60b8e3L1U0YoaAiceSbl4b KpFqPQYmhXKtFZ9urzQ2qr8+a1JMb43Z9iBGHDcZL0NcFa5UrM3GLcpez+Jyz80DiB6 Wc5rpwrF2uCp7eP1IIDzkbJiTEirCJn/xsoVMxdFVu/IHXoAnNj43PZLGQLoAHVwDgn x03BZlVDVasP7U/zff0U0+OWK5oA1ubaG3+c3tyAQ4RNdyiNcoYfls7aLw5Fv+iAk4p iDsNQLRTgw== In-Reply-To: <87r127h40s.fsf@posteo.net-N7wjq17--3-2> Received-SPF: pass client-ip=81.3.6.162; envelope-from=carlmarcos@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, 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-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:138630 Archived-At: Jul 26, 2022, 23:01 by philipk@posteo.net: > carlmarcos--- via Users list for the GNU Emacs text editor > writes: > >> Have been looking into defvar and noticed the generality of its use >> >> (defvar aname t) >> (defvar bname nil) >> (defvar cname 1) >> (defvar dname "text") >> >> Then I can do >> >> (when aname (setq debug-on-error t)) >> (when bname (setq debug-on-error nil)) >> >> Is this correct? >> > > You can /do/ it, but what do you /want/ to archive? > Want to use a defvar to enable or disable some functionality using `when', = such as enabling error diagnostics with the command=C2=A0=20 (when myopt (setq debug-on-error t))