From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: Appending to a list Date: Mon, 14 Dec 2020 18:22:36 +0100 Message-ID: <87r1ns5mlf.fsf@web.de> References: <877dpljtwg.fsf@fastmail.fm> <87sg89v1f7.fsf@telefonica.net> <87mtyhxovn.fsf@zoho.eu> <871rftxlwl.fsf@zoho.eu> <87czzdyqra.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30790"; 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:XCMaDo89tHqnFQDV16ZGQMjBgoc= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Dec 14 18:26:40 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 1korcN-0007sb-5d for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 14 Dec 2020 18:26:39 +0100 Original-Received: from localhost ([::1]:51906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1korcM-0008QI-7B for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 14 Dec 2020 12:26:38 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58534) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1korYa-0004W4-Fc for help-gnu-emacs@gnu.org; Mon, 14 Dec 2020 12:22:44 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:36312) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1korYY-0000xv-D3 for help-gnu-emacs@gnu.org; Mon, 14 Dec 2020 12:22:44 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1korYW-0002Iy-Ks for help-gnu-emacs@gnu.org; Mon, 14 Dec 2020 18:22:40 +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: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, 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:126377 Archived-At: steve-humphreys@gmx.com writes: > > Seems your list is actually not an element to add that just happens to > > be a list, but a list of elements you want to add (but the elements are > > also lists again, ehem...) > > I thought I could push element by element. Seems there is/was a misunderstanding: that you wanted to append an one-element list, which is apparently not the case. In the general case, `append' is of course not less efficient than pushing from one list to another element by element. Regards, Michael.