From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: lisa-asket@perso.be Newsgroups: gmane.emacs.help Subject: Passing a list to a function Date: Mon, 12 Jul 2021 14:36:40 +0200 (CEST) Message-ID: References: <87a6mrlp0q.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17486"; mail-complaints-to="usenet@ciao.gmane.io" To: moasenwood@zoho.eu, help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 12 14:52:53 2021 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 1m2vQa-0004JY-Ry for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 12 Jul 2021 14:52:52 +0200 Original-Received: from localhost ([::1]:57224 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m2vQZ-0007W6-Ek for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 12 Jul 2021 08:52:51 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42138) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m2vB3-00037m-EM for help-gnu-emacs@gnu.org; Mon, 12 Jul 2021 08:36:49 -0400 Original-Received: from ip-16.mailobj.net ([213.182.54.16]:55712 helo=msg-6.mailo.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m2vAy-0003bE-KQ for help-gnu-emacs@gnu.org; Mon, 12 Jul 2021 08:36:48 -0400 Original-Received: by www-7.mailo.com with http webmail; Mon, 12 Jul 2021 14:36:40 +0200 (CEST) X-EA-Auth: V/xUGYATXKmOoOM5zdcTTXGBKBIiCuxoXhcd6sa0nVIv2mdVLX2yoyR9y0G5iC2W78kk4k8Iv6m4CufpfGMWCA== X-Priority: 3 X-Mailer: COMS/EA21.01/r20210601 In-Reply-To: <87a6mrlp0q.fsf@zoho.eu> Received-SPF: pass client-ip=213.182.54.16; envelope-from=lisa-asket@perso.be; helo=msg-6.mailo.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, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Content-Filtered-By: Mailman/MimeDel 2.1.23 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:131666 Archived-At: What do you think of this code?=C2=A0 Is it valid? (defvar hstyle-hdl =C2=A0=C2=A0 '( ("@c h1" . 1) ("@c h2" . 2) ("@c h3" . 3) ("@c h4" . 4) =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ("@c h5" . 5) ("@c h6" . 6) ("@c h7" . 7) (= "@c h8" . 8) ) =C2=A0=C2=A0 "Define names and levels for texinfo outline headings." ) (defun outline-headings (hdlevels) =C2=A0 "Sets texinfo headings for use in outline mode." =C2=A0=C2=A0=C2=A0 (setq outline-regexp =C2=A0=C2=A0=C2=A0 =C2=A0 (concat (regexp-opt (mapcar 'car hdlevels)) "\\>= ")) =C2=A0=C2=A0=C2=A0 (setq outline-heading-alist hdlevels) ) (outline-headings hstyle-hdl) From: Emanuel Berg via Users list for the GNU Emacs text editor To: help-gnu-emacs@gnu.org Subject: Re: Passing a list to a function Date: 12/07/2021 14:01:25 Europe/Paris lisa-asket wrote: > How can I make [a function] take [a] list as an argument? It works like any other function and argument: (defun is-this-a-list (lst) (listp lst) ) (is-this-a-list 1) ; nil (is-this-a-list '(1 2 3)) ; t --=20 underground experts united https://dataswamp.org/~incal