From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Passing a list to a function Date: Mon, 12 Jul 2021 14:01:25 +0200 Message-ID: <87a6mrlp0q.fsf@zoho.eu> References: Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20847"; 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: sha1:5ABjRUN/84n7maDMNFgwi94L6zI= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 12 14:05:49 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 1m2uh1-00059S-NF for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 12 Jul 2021 14:05:47 +0200 Original-Received: from localhost ([::1]:38162 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m2uh0-0002oJ-PH for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 12 Jul 2021 08:05:46 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35402) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m2ugL-0002Sq-D4 for help-gnu-emacs@gnu.org; Mon, 12 Jul 2021 08:05:05 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:50986) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m2ugJ-0006AT-NQ for help-gnu-emacs@gnu.org; Mon, 12 Jul 2021 08:05:05 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1m2ugH-00040Z-Sb for help-gnu-emacs@gnu.org; Mon, 12 Jul 2021 14:05:01 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never 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: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, 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:131665 Archived-At: 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 -- underground experts united https://dataswamp.org/~incal