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: Making a function than can only be used interactively Date: Sun, 3 Jul 2022 22:51:22 +0200 (CEST) Message-ID: References: Reply-To: carlmarcos@tutanota.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28046"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: Stefan Monnier Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jul 03 22:52:30 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 1o86Zy-00079Z-KJ for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 03 Jul 2022 22:52:30 +0200 Original-Received: from localhost ([::1]:57946 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o86Zx-0002xU-8g for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 03 Jul 2022 16:52:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49816) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o86Yw-0002x6-0z for help-gnu-emacs@gnu.org; Sun, 03 Jul 2022 16:51:26 -0400 Original-Received: from w1.tutanota.de ([81.3.6.162]:45850) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o86Yu-0001hc-8v for help-gnu-emacs@gnu.org; Sun, 03 Jul 2022 16:51:25 -0400 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id 882E6FBF54A; Sun, 3 Jul 2022 20:51:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1656881482; 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=pJsMeNrTUcQaLSs+uLE7cblOQ4c9G/+Jqkd55aq5dK4=; b=iBqLZvRsAKxTuB8YEzyNJ0dlRgXE3bcrYO9NdkpnpN9zSxUNfzJyvKcFi5OhMEnZ 8avqwmSlY2l5O5UKQ78HkcrJW55B3OMA5sWBedjXUEHCb3iY1RMtTiaVl/P2szVBYSi jKFfBXhRTpOdTKWnosFVZ8XJxDmD6smC7jTdTy/gD+wHzfj5ynVzmN1H3qV7x5DrlKc soE+rR0hKUOKvcleKfO367n/QY2/7aOkJVpPw2Z2UQLuK65x3zF1vYjqhBfkY31Fxgf 8fhh/wneespdYYv4zRv8S3qnxbn5JvnRv8RkYulDS0rfVMEufv2ygwMgUGh+O867TfZ d5eblzHwSw== 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:138277 Archived-At: Jul 3, 2022, 20:14 by help-gnu-emacs@gnu.org: >> I do not want people to use the function non-interactively. >> > > An interactive call is fundamentally a combination of "run the > interactive spec to get the args, and then call the function with those > args". So, in a sense you can't avoid it. > > But you can discourage non-interactive calls in various ways, depending > on how important you think it is. The most standard way is to use > > (declare (interactive-only )) > Others have suggested (if (called-interactively-p 'interactive) and (only-interactive) But I see how your `(declare (interactive-only ))` statement would work better. > so that the compiler will emit a warning when it sees a non-interactive > call to that function ( is the replacement you recommend for > non-interactive calls). > > A more "forceful" way is to wrap your interactive function inside > a trivial keyboard macro: > > (defalias 'my-command > (vector (lambda (...) > (interactive ..) > ...))) > > this way `my-command` is a valid command but it's not a valid function. > I'd not recommend such a measure, tho. > > > Stefan >