From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: carlmarcos--- via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Using show-paren-style function in elisp code Date: Tue, 21 Jun 2022 06:58:33 +0200 (CEST) Message-ID: References: Reply-To: carlmarcos@tutanota.com 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="14194"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Help Gnu Emacs To: Bruno Barbier Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jun 21 06:59:32 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 1o3Vz9-0003bO-Ur for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 21 Jun 2022 06:59:31 +0200 Original-Received: from localhost ([::1]:58698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3Vz8-0003YO-Jq for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 21 Jun 2022 00:59:30 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42170) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o3VyJ-0003YA-ET for help-gnu-emacs@gnu.org; Tue, 21 Jun 2022 00:58:39 -0400 Original-Received: from w1.tutanota.de ([81.3.6.162]:59294) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o3VyG-0005ad-Pd for help-gnu-emacs@gnu.org; Tue, 21 Jun 2022 00:58:39 -0400 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id 11902FBF580; Tue, 21 Jun 2022 04:58:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1655787513; s=s1; d=tutanota.com; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:References:Sender; bh=PvaHZlm64WuooypNktzvq7CIDl8B+JqFqOlptq3K2Dg=; b=VlN46CHIQOBL+nxEz6FWimHfyJlcx+vYCKVS7KGllcGZQE0TTr5jx4Eg6F2G3UCR UeLYfmWiP092YgYWwEV9AHCQwD4+A7vbdY+R08txIT2YCx5SEmPSJ2ECodmf5+6JgZA HHVHYrSYCFYpVlW8/gqZ/XZYmvmx5zONfiCPH4HgsqOFdVmaB2yes0jHffN7FPo8zu+ nXHMOW9qYSR1jOOdvZKtF/1oQIKzxe+i7y0NKMlhc22x7WkC9vlrqjscs/nqlt2PODe xrUuvdb85BelWbF1tsOxaAFJJT2LPiCphTowEmRhC9U66J5Zldq9XEvNouYWJcTFQGt 1D8X4LvvvA== In-Reply-To: Received-SPF: pass client-ip=81.3.6.162; envelope-from=carlmarcos@tutanota.com; helo=w1.tutanota.de 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, HTML_MESSAGE=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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" Xref: news.gmane.io gmane.emacs.help:137947 Archived-At: Jun 20, 2022, 17:51 by brubar.cs@gmail.com: > carlmarcos--- via Users list for the GNU Emacs text editor > writes: > >> Have written the following function to set `show-paren-style`.=C2=A0 Wou= ld it be possible to modify >> the code in a way that also allows a user to use the style as an argumen= t so that the function=20 >> can be used in elisp code.=C2=A0=20 >> > > I would follow Rudolf's advice, to not have to set the style manually > everytime. > > But, if you still want to learn how to use a function both > interactively and in elisp code, you should read the Elisp > documentation about 'interactive'. It explains how to write functions > that you can use as commands. > > (info "(elisp)Using Interactive") > > =20 > In your case, here is a possible solution: > > #+begin_src elisp > (defun view-parens (style) > "Visualise parentheses and expressions using STYLE. > STYLE must be a symbol." > (interactive (list=20 > (intern (completing-read "Visualise: " '("bracemk" "expression" "mixed") > nil t "mixed")))) > (setq show-paren-style style) > ) > #+end_src > > Cheers Bruno,=C2=A0 I wonder how the symbol provided by intern is taken up = by the variable `style`. > =20 > Note 1: The function 'intern' transforms a string into a symbol; you then= don't need a 'pcase' anymore. > > Note 2: Your line: > > (setq 'show-paren-style 'parenthesis) > =20 > should have been: > =20 > (setq show-paren-style 'parenthesis) > =20 > as 'setq' expects a non-quoted symbol. > > Bruno >