From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Defaulting optional numeric and string arguments Date: Thu, 12 Sep 2024 17:39:50 +0000 Message-ID: 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="8314"; mail-complaints-to="usenet@ciao.gmane.io" To: Heime via Users list for the GNU Emacs text editor Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 12 19:40:21 2024 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 1sonnp-000222-P5 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 12 Sep 2024 19:40:21 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sonnd-0006Jz-2b; Thu, 12 Sep 2024 13:40:09 -0400 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 1sonnY-0006Gn-Dd for help-gnu-emacs@gnu.org; Thu, 12 Sep 2024 13:40:05 -0400 Original-Received: from mail-4027.protonmail.ch ([185.70.40.27]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sonnW-0005Cu-7p for help-gnu-emacs@gnu.org; Thu, 12 Sep 2024 13:40:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1726162794; x=1726421994; bh=BQN9JMkxIo//P31KUxkdFNPHzcNmSsJAWjXjWh0HnvU=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=wLlEc3wJf7F6KfeA5KKdN+vFcSJV9uTI09LtMxJ8mA667JdmWNZqQkG7CU5r6Qs5u jqIljg8lVVQ6JGM3g+93TJs8+hwNcWEPN2dR0NRlv/cZborFEjAEp6jmycRjzO1onZ z/fvlNRyo69/7eqVqnOB62Q+oAR1b3b68Zyucm1IrY0zTWEnrH9WgO2nLfeqW3Ughf NZ6t7nQAUbmah2P69+tr0tJSXwS3oUWwYbQ5VMeoZaBKjEv9nNv7OvI+3gaVfLGhHv fRNp+WA124KW4tT7Eq1j8RWImtGZ9a3fbU6NJa/G6eCjtmACqT1kg8CIBF6DnyQZym BKoC4X+d7mKlQ== Feedback-ID: 57735886:user:proton X-Pm-Message-ID: e53b5b8cb5d910b1113d3eae1b5cdee83e996962 Received-SPF: pass client-ip=185.70.40.27; envelope-from=heimeborgia@protonmail.com; helo=mail-4027.protonmail.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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:147969 Archived-At: I have an optional numeric argument n passed to a function.=20 Am having difficulty setting a default for it to cater for both the=20 interactive and non-interactive cases. Is the below how to do it ? =20 (setq n (if (or (not n) (not numberp n)) 0 n)) I also have an optional string bfrn, to which I am using (setq bfrn (if (or (not bfrn) (string=3D bfrn "")) "Context" bfrn))