From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Arthur Miller Newsgroups: gmane.emacs.devel Subject: Re: Docs for &optional and &rest arguments together Date: Fri, 01 Jan 2021 15:33:29 +0100 Message-ID: References: <87eej8ejhc.fsf@alphapapa.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21147"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Adam Porter Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Jan 01 15:35:07 2021 Return-path: Envelope-to: ged-emacs-devel@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 1kvLWE-0005Nw-Ku for ged-emacs-devel@m.gmane-mx.org; Fri, 01 Jan 2021 15:35:06 +0100 Original-Received: from localhost ([::1]:53168 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kvLWD-0000F0-Mo for ged-emacs-devel@m.gmane-mx.org; Fri, 01 Jan 2021 09:35:05 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43972) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kvLUk-0007jH-SW for emacs-devel@gnu.org; Fri, 01 Jan 2021 09:33:34 -0500 Original-Received: from mail-oln040092075045.outbound.protection.outlook.com ([40.92.75.45]:38742 helo=EUR04-VI1-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kvLUi-00033t-HY for emacs-devel@gnu.org; Fri, 01 Jan 2021 09:33:34 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=iupqrDjhekYMY3qvoLyXoUNANZqFmHrOGxEiBpogLeffFxSWDhP4SDYNe/OaD3R47vkWz3x8xD/E96cWI6ETrFSJsb5lr1nJ2QUSEtqPsXRjEhPtjZfEaGCn/1Gv+nfAbw6vA9qehfeHpmRUZnNlFKveP+rL34EdvIfGMFTrIVlaIbkYxqJxCOVMY5Z9mZPRFN9zLWobttsOVmemMw1mAtiNw5hCtZaBJ+3xfAHNXhr7x8ro8bXryFRXgwC8FOAs1JGzXd6UfkKmu+/yXF2ex41SgKFV+ECJEC2go2rESOZJ8gnUjWljyi9nzQoXq5Z1IajWQqZIjlpSK7/QSZN1BQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=hDDn1nAsH4HYsJmKPmoLTIeiKeABk5719ibaBV1Rv8o=; b=CKbmXiHZsFMU4vcOQAwDv37nu12JCVvaYgbKkta/Z+zAXueaSY+CWAW/lQ4HEGETYrfAnFyrYOarsBMs0AhEAketlaZqU2dtG5HUfaD292YKKkaBt3sfg1z1uCnkoQAawxCj5CHpY5oAnk6creyIC4O5V97qQKF563mCEcw3/VG+TpQ/u9p83R/KYsZRCiToxc0QXS544F37YpW9Ho7jjNEIzvyJ7uZtgeYGUwXoHn6DOCcIQWYx98kUFi+05zc8nLhgLQUkM0RabGoXoDd+kV4AXBNUBv4hi3GTKt5yksTJLjhbHw7ViIOCnjjbKbG8gJYa+nuht9tLCTl0rBd3xA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=live.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=hDDn1nAsH4HYsJmKPmoLTIeiKeABk5719ibaBV1Rv8o=; b=rUoNQGeKMxne/Qt0hYvx51ygsDGNtr1BAiH4JJQ/7KT62aIU6lgq9K9aVG0jzVn/8+Qhka3sm4f3ZpWWS1cGFq4N2lUXjP7RixT3uiaIk2jHi/Ga2lNITDWotN3zBZ24PVuupitWQko2BoBzAghlno048s1d4QtreN7RUN8ZniM4OUOHJIi8m3yQGgNeznZY5iPH1BAIuytx/504nE+/fZXQGCWb8VAz7lEIvUx9nhnydEVUKco4v2qTZoMb0nU6gg/Sn8wFAcl04DWZFqhoE0u84rWaOKKrKi5KJ15+r+X0/UHef5zeHsSYYFWu9m/zrWrHsyOmzaPXLIQpc/t/ow== Original-Received: from VI1EUR04FT055.eop-eur04.prod.protection.outlook.com (2a01:111:e400:7e0e::4d) by VI1EUR04HT207.eop-eur04.prod.protection.outlook.com (2a01:111:e400:7e0e::360) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3721.20; Fri, 1 Jan 2021 14:33:30 +0000 Original-Received: from AM0PR06MB6577.eurprd06.prod.outlook.com (2a01:111:e400:7e0e::4f) by VI1EUR04FT055.mail.protection.outlook.com (2a01:111:e400:7e0e::173) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3721.20 via Frontend Transport; Fri, 1 Jan 2021 14:33:30 +0000 X-IncomingTopHeaderMarker: OriginalChecksum:7BAEC017329A488C7F814B7E3A79519301E89310ED9E4D4D72949A9640EE7327; UpperCasedChecksum:FBDF4D50732EC2917C20426084919DC2738B5FA259E5E358423EF7C4CC2D175B; SizeAsReceived:7465; Count:46 Original-Received: from AM0PR06MB6577.eurprd06.prod.outlook.com ([fe80::9487:8c7d:da00:4993]) by AM0PR06MB6577.eurprd06.prod.outlook.com ([fe80::9487:8c7d:da00:4993%7]) with mapi id 15.20.3721.022; Fri, 1 Jan 2021 14:33:30 +0000 In-Reply-To: <87eej8ejhc.fsf@alphapapa.net> (Adam Porter's message of "Tue, 29 Dec 2020 09:10:23 -0600") X-TMN: [PMQNCQhQ74cvzmAUUIpVP89A8WmtOR6g] X-ClientProxiedBy: AM5PR0502CA0003.eurprd05.prod.outlook.com (2603:10a6:203:91::13) To AM0PR06MB6577.eurprd06.prod.outlook.com (2603:10a6:208:19a::23) X-Microsoft-Original-Message-ID: <87czyo7mme.fsf@live.com> X-MS-Exchange-MessageSentRepresentingType: 1 Original-Received: from pascal.homepc (90.230.29.56) by AM5PR0502CA0003.eurprd05.prod.outlook.com (2603:10a6:203:91::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3721.20 via Frontend Transport; Fri, 1 Jan 2021 14:33:29 +0000 X-MS-PublicTrafficType: Email X-IncomingHeaderCount: 46 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-Correlation-Id: fa5011fa-2e58-48e6-5e6b-08d8ae6235a0 X-MS-TrafficTypeDiagnostic: VI1EUR04HT207: X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 5Crg+ws3HmXRthHPPi9zAHTp+mrD8n8cwLiHPCnqWgVjId6CMtfSrz/Jwo/RQipclnjXijFCKU4m5DCmjKwSPQghcFfXoVc+4bnLegiCRJzqbG0FwMLmwHEkakoy4Yn31BWXHWl43DqdH9fF5WunogcRKXQ+UneBwI2QeYYcMTlk7PjlklhN+cOB+wUadUjLi5fGMjPPpQI2ZeKF8I6D8B9anZKSYKyvt+ffPyEqgn4j377vyKNFNpKEjcJWLpxHFXdg5Sxc6gEfwrK1AM48AGnKFgw+HoK8jnIV4tgnEZo= X-MS-Exchange-AntiSpam-MessageData: NXeHJZmIATRwkbfa2scQOjutl03MUO444Atu9UUSFr986qsxoFtgRoAmAJ2uYD3drqxq8rboefyYb8WF2y5rrCssXtBY22KWPTLxJhBpMahGAOeCDVCiCdR11XVWV01btY6r0QoaZMGKw5hk5CgWrw== X-OriginatorOrg: live.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Jan 2021 14:33:30.2416 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-Network-Message-Id: fa5011fa-2e58-48e6-5e6b-08d8ae6235a0 X-MS-Exchange-CrossTenant-AuthSource: VI1EUR04FT055.eop-eur04.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: Internet X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1EUR04HT207 Received-SPF: pass client-ip=40.92.75.45; envelope-from=arthur.miller@live.com; helo=EUR04-VI1-obe.outbound.protection.outlook.com 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, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:262250 Archived-At: Adam Porter writes: > This doesn't exactly answer your question, but here's an alternative you > might be interested in: I wrote a similar macro a while back, and I > tried to follow CL-style arguments by using a list of options. > > https://github.com/alphapapa/elexandria/blob/83a1b08d0711fdce07a5b33525535cc3a457c6ee/elexandria.el#L105 > > Here's the source code: > > (cl-defmacro with-file-buffer (path options &body body) > "Insert contents of file at PATH into a temp buffer, and evaluate and return the value of BODY in it. > OPTIONS is a plist accepting the following options: > > `:must-exist': If non-nil, raise an error if no file exists at > PATH. > > `:write': If non-nil, write the contents of the buffer to file at > PATH after evaluating BODY. > > `:overwrite': If nil (or unset), raise an error instead of > overwriting an existing file at PATH. If `ask', ask for > confirmation before overwriting an existing file. If t, > overwrite a file at PATH unconditionally. > > `:append': Passed to function `write-region', which see. > > `:visit': Passed to function `write-region', which see." > (declare (indent 2)) > `(with-temp-buffer > (if (file-readable-p ,path) > (insert-file-contents ,path) > (when ,(plist-get options :must-exist) > (error "File not readable: %s" ,path))) > (prog1 > (progn > ,@body) > ,(when (plist-get options :write) > `(write-region nil nil path > ,(plist-get options :append) > ,(plist-get options :visit) > ,(pcase-exhaustive (plist-get options :overwrite) > ('nil ''excl) > ((or 'ask ''ask) ''ask) > ('t nil))))))) Indeed, looks nice! thanks.