From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: master 8f0f851: * lisp/autoarg.el: Use lexical binding. Date: Mon, 20 Apr 2020 09:52:48 -0400 Message-ID: References: <20200419004503.26161.91884@vcs0.savannah.gnu.org> <20200419004504.C65772049B@vcs0.savannah.gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="97158"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Juanma Barranquero , Emacs developers To: Stefan Kangas Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 20 15:57:21 2020 Return-path: Envelope-to: ged-emacs-devel@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 1jQWvJ-000PAN-Kj for ged-emacs-devel@m.gmane-mx.org; Mon, 20 Apr 2020 15:57:21 +0200 Original-Received: from localhost ([::1]:36252 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQWvI-0001Dx-NP for ged-emacs-devel@m.gmane-mx.org; Mon, 20 Apr 2020 09:57:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36918 helo=eggs1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQWqz-0005xN-8P for emacs-devel@gnu.org; Mon, 20 Apr 2020 09:52:53 -0400 Original-Received: from Debian-exim by eggs1p.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jQWqx-0002Ua-HW for emacs-devel@gnu.org; Mon, 20 Apr 2020 09:52:51 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:27008) by eggs1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jQWqx-0002Tx-5C for emacs-devel@gnu.org; Mon, 20 Apr 2020 09:52:51 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 6289E1003B1; Mon, 20 Apr 2020 09:52:50 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id DE9AC1002E2; Mon, 20 Apr 2020 09:52:48 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1587390768; bh=VdLLhA/yKJUuo9Jgv/ZOzSRcicnixeev1dRoI663CDg=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=K4fdpc1JihIJ4UuH6vdhR/vGyIqLp1tUeb1CBMBLoqnefMkbCx0OA9/q8ebnPjn/O VuGsZjcyMB85kQ8TRn92EnXsUC02qzLL+IaaAks1QCiyZqTdEjyowZ4oUmDdoJM0cN H8EffSdshUmPBbIQBSrHN1klH83BSY319pJDBuvC5JeUEJewfJbdWY9qOO0/mFkZeD BuOxEI0BTCVjmbzBv40dQIQrXhlbtS7XlovdSFy6nY4sMQKBfJNDL7WCSpKkWAwcdE QAO9HlOUUU0fKYIT48/igCjjejTuZXTsbQsYQpJSn1vR0A/0M2417uq7VDumhhWElO UXx7C2Tc/OYdw== Original-Received: from alfajor (unknown [104.247.241.114]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id AD449120455; Mon, 20 Apr 2020 09:52:48 -0400 (EDT) In-Reply-To: (Stefan Kangas's message of "Mon, 20 Apr 2020 07:10:06 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-detected-operating-system: by eggs1p.gnu.org: First seen = 2020/04/20 09:09:43 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Received-From: 132.204.25.50 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:247386 Archived-At: > I don't think I understand the original warning though. This > minimized code example gives me "Unused lexical variable 'i'" when > byte-compiled: > > (let (alist) > (dotimes (i 10 alist) > (push i alist))) It's unused in the expression `alist`. If you don't use `i` there, then you should do: (let (alist) (dotimes (i 10) (push i alist)) alist) -- Stefan