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: How to avoid compiler warning `unused lexical variable' for `dolist' or `dotimes'? Date: Sat, 9 Jan 2021 10:55:57 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30155"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0 (3d08634) (2020-11-07) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jan 09 08:56:38 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 1ky970-0007i3-5a for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 09 Jan 2021 08:56:38 +0100 Original-Received: from localhost ([::1]:58366 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ky96y-0004XB-Bm for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 09 Jan 2021 02:56:37 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39656) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ky96b-0004W7-3l for help-gnu-emacs@gnu.org; Sat, 09 Jan 2021 02:56:13 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:52725) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ky96Z-0004uD-IW for help-gnu-emacs@gnu.org; Sat, 09 Jan 2021 02:56:12 -0500 Original-Received: from localhost ([::ffff:41.210.145.70]) (AUTH: PLAIN securesender, TLS: TLS1.2,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000002DFDE.000000005FF96199.0000654A; Sat, 09 Jan 2021 00:56:09 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org 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: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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:127118 Archived-At: * Stefan Monnier [2021-01-08 10:16]: > > Only it is not relevant to macro or function that is documented to > > work, but then again it gives warnings for `n' and not for `return' as > > in above example. > > Not sure what you mean by "documented", but `C-h f dotimes` says: > > dotimes is a Lisp macro in ‘subr.el’. > > (dotimes (VAR COUNT [RESULT]) BODY...) > > Probably introduced at or before Emacs version 21.1. > > Loop a certain number of times. > Evaluate BODY with VAR bound to successive integers running from 0, > inclusive, to COUNT, exclusive. > > Finally RESULT is evaluated to get the return value (nil if > RESULT is omitted). Using RESULT is deprecated, and may result > in compilation warnings about unused variables. > > Notice the last sentence. Now I do notice it. I do switch to `while' and mapping functions rather. Jean