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: Easy to add with push but not to the end of a list Date: Tue, 06 Dec 2022 03:17:42 +0100 Message-ID: <87bkoh1dix.fsf@web.de> References: <877czcid1d.fsf@web.de> <87a648kzov.fsf@dataswamp.org> <87cz93noqc.fsf@web.de> <87zgc76npf.fsf@dataswamp.org> <87k038npls.fsf@web.de> <87sfht8luq.fsf@dataswamp.org> <87h6y91ffg.fsf@web.de> <878rjlgvdd.fsf@dataswamp.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28384"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:vvpSFm5p0Z67ZprGkqjZ51dcSO8= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 06 03:18:33 2022 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 1p2NXV-0007G0-8K for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 06 Dec 2022 03:18:33 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p2NWx-0002uB-Sm; Mon, 05 Dec 2022 21:17:59 -0500 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 1p2NWu-0002tc-GF for help-gnu-emacs@gnu.org; Mon, 05 Dec 2022 21:17:56 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2NWp-0001X5-Jt for help-gnu-emacs@gnu.org; Mon, 05 Dec 2022 21:17:56 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1p2NWn-0006Gh-Dr for help-gnu-emacs@gnu.org; Tue, 06 Dec 2022 03:17:49 +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: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.169, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, 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: 2.1.29 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:141427 Archived-At: Emanuel Berg writes: > I don't know, because this can't be done with Elisp, not any > Elisp I know anyway, since the variable name will then be > evaluated ... I don't understand that last sentence. We want to look at the variable's value (at run time), no? What happens if you compile a file with these contents for example? #+begin_src emacs-lisp (defun test () (let ((l (list 1 2))) (push-last 2 l) l)) #+end_src > Here is the `push' macro - TBH, I don't know what most of that > means ... That supports generalized variables; you don't need to do that (unless you want to). Michael.