From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: How to avoid compiler warning `unused lexical variable' for `dolist' or `dotimes'? Date: Fri, 08 Jan 2021 02:08:10 +0100 Message-ID: <87r1mwnslh.fsf@zoho.eu> References: <87o8i1ou7m.fsf@zoho.eu> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19239"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:KdptR78v18NVt4O6IFT62eq1luo= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jan 08 02:12:15 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 1kxgK1-0004jM-RU for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 08 Jan 2021 02:12:09 +0100 Original-Received: from localhost ([::1]:51378 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxgK0-0006OL-TR for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 07 Jan 2021 20:12:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47452) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxgJi-0006O4-IO for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 20:11:50 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:48096) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxgJh-0004mv-1p for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 20:11:50 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kxgJe-0004KO-90 for help-gnu-emacs@gnu.org; Fri, 08 Jan 2021 02:11:46 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, SPF_HELO_NONE=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:127069 Archived-At: Jean Louis wrote: >>> The discussion in that bug implies that it won't get >>> fixed. Probably we should discourage the three-argument >>> form more strongly, e.g. by removing it from the >>> documentation and changing the advertised >>> calling convention. >> >> What about fixing the byte-compiler so it won't warn a used >> variable is unused? :) > > That is what I was thinking, or Not "or", and :) > some other way of programming to declare the variable. Use `cl-loop', the `for' variant, for this. No manual/explicit "length" business, no byte-compiler issues, looks and works great. -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal