From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Tomas Hlavaty Newsgroups: gmane.emacs.help Subject: Re: Question about let binding behavior Date: Wed, 09 Oct 2024 10:13:06 +0200 Message-ID: <87bjztn17x.fsf@neko.mail-host-address-is-not-set> References: <88c7526c-b7d9-46f8-8799-5825b97d20ba@protonmail.com> <8fc2872f-dded-4713-9937-61c3af974538@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15588"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: Louis-Guillaume Gagnon , tomas@tuxteam.de Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Oct 09 10:14:44 2024 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 1syRqG-0003sJ-HS for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 09 Oct 2024 10:14:44 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1syRox-0006cS-8a; Wed, 09 Oct 2024 04:13:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1syRov-0006cJ-LF for help-gnu-emacs@gnu.org; Wed, 09 Oct 2024 04:13:21 -0400 Original-Received: from logand.com ([37.48.87.44]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1syRou-0006Ln-4g for help-gnu-emacs@gnu.org; Wed, 09 Oct 2024 04:13:21 -0400 Original-Received: by logand.com (Postfix, from userid 1001) id 0B4651A036A; Wed, 9 Oct 2024 10:13:08 +0200 (CEST) X-Mailer: emacs 29.4 (via feedmail 11-beta-1 I) In-Reply-To: Received-SPF: pass client-ip=37.48.87.44; envelope-from=tom@logand.com; helo=logand.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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: 2.1.29 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:148142 Archived-At: On Wed 09 Oct 2024 at 08:01, Louis-Guillaume Gagnon via Users list for the GNU Emacs text editor wrote: > The interpreter is free to use the same underlying list whenever I > refer to this constant compiler too > My program relied on modifying the constant don't do that > By using "copy-tree" on the constant or you can avoid the constant in the first place, for example with minimal change like this: (let ((baz `((quux . 0) (quuz . 0))))