From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: How to avoid compiler warning `unused lexical variable' for `dolist' or `dotimes'? Date: Thu, 07 Jan 2021 10:38:39 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28920"; 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:ZUKYYExolB+ReaiROGI7nAnCF3k= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jan 07 16:40:48 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 1kxXP5-0007Qr-JG for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 07 Jan 2021 16:40:47 +0100 Original-Received: from localhost ([::1]:51430 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxXP4-0002HL-La for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 07 Jan 2021 10:40:46 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47430) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxXOQ-0002Fh-1G for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 10:40:06 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:53018) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxXOO-0007Cd-Eh for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 10:40:05 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kxXOL-0006Zz-LS for help-gnu-emacs@gnu.org; Thu, 07 Jan 2021 16:40:01 +0100 X-Injected-Via-Gmane: http://gmane.org/ 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:127056 Archived-At: > 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. Indeed, I don't like this 3-arg form of `dotimes` and `dolist` because it tends to "hide" the return value. But we keep it because there's something to be said for not being "gratuitously" different from Common-Lisp. Stefan