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: problems with Emacs 28 Date: Wed, 28 Oct 2020 13:18:42 -0400 Message-ID: References: <87lffwhop1.fsf@zoho.eu> <87r1poddpj.fsf@zoho.eu> <87pn58gdnj.fsf@web.de> <3cec75b0-410b-40c7-97c3-d04667c4c04d@default> <877drea4gb.fsf@web.de> <10bfb59d-23a2-4fb8-8bc6-105ffd486edd@default> <87sga0o6k0.fsf@zoho.eu> <87tuuee2yr.fsf@gmail.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="17242"; 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:ChjbWpvqITNXtLDFGYbUrz5osI4= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Oct 28 18:19:21 2020 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 1kXp6X-0004Ns-Ii for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 28 Oct 2020 18:19:21 +0100 Original-Received: from localhost ([::1]:57628 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kXp6W-0008ON-Kg for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 28 Oct 2020 13:19:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47600) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXp65-0008N5-Gn for help-gnu-emacs@gnu.org; Wed, 28 Oct 2020 13:18:54 -0400 Original-Received: from static.214.254.202.116.clients.your-server.de ([116.202.254.214]:43996 helo=ciao.gmane.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXp63-0006HS-3j for help-gnu-emacs@gnu.org; Wed, 28 Oct 2020 13:18:52 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kXp5z-0003hE-F8 for help-gnu-emacs@gnu.org; Wed, 28 Oct 2020 18:18:47 +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-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/28 13:07:10 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, 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:124787 Archived-At: >> side-effect free - the function doesn't do any changes to anything, >> this implies non-destructiveness > Which is also known as a 'pure' function. Are `gensym` and `current-time` side-effect-free? In my book, they're definitely not pure. Stefan