From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Instead of pcase Date: Wed, 22 Nov 2023 21:57:41 -0500 Message-ID: References: <87fs169mjj.fsf@posteo.net> <093f11a1-57c2-5e56-d39b-26fef1c67cbb@gutov.dev> <25942.25061.217864.329049@retriever.mtv.corp.google.com> <87zfzdcz6z.fsf@posteo.net> <87zfza2aq2.fsf@web.de> <7nmsv9zq6u.fsf@ecube.ecubist.org> <7nv89x5tsi.fsf@ecube.ecubist.org> <87o7focuf5.fsf@web.de> Reply-To: rms@gnu.org Content-Type: text/plain; charset=Utf-8 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16757"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Michael Heerdegen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Nov 23 03:58:27 2023 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 1r5zv8-0004Do-RT for ged-emacs-devel@m.gmane-mx.org; Thu, 23 Nov 2023 03:58:26 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r5zuR-0008Nm-3x; Wed, 22 Nov 2023 21:57:43 -0500 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 1r5zuP-0008Lr-Nx for emacs-devel@gnu.org; Wed, 22 Nov 2023 21:57:41 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r5zuP-00006P-E3; Wed, 22 Nov 2023 21:57:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Date:References:Subject:In-Reply-To:To:From: mime-version; bh=zzUf/WCdZZfM2yW0zOegquj6ocuI7OKjwaeS1UYvzcE=; b=NMeswtHyQ07O SOPgGtpzIT6lAj2SalJew+FVujkIBMxSEIF/WUi1n7fg02i2mTKUnM3LaAgv0+/v6uBBv3VobprcZ eaBiVoPQj0j38qMhxNAnkl4uyADmiV2ayfUOLaW2/s8S1515BfrSEm48p55TwbO/L5vmQLwQsqVfp OjEqe3d7W9rTmD6i9Pc1PIiybBT8UHu6cy3cdbxM1G89f12sFn55EGOmPKxkOhX1y1birPkUrl2ZK dEdpMoCwNcj2U/TDsgj+OFzDJ7ZHzIwHjLj5rAxYQP9IxBLNE63yYQL9Yv8oNRE9k4CLV/Uenhj3u 4iezBxK1B7wGN5Pk/M0pYw==; Original-Received: from rms by fencepost.gnu.org with local (Exim 4.90_1) (envelope-from ) id 1r5zuP-0003qx-5L; Wed, 22 Nov 2023 21:57:41 -0500 In-Reply-To: <87o7focuf5.fsf@web.de> (message from Michael Heerdegen on Mon, 20 Nov 2023 16:32:14 +0100) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:313135 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > This is the requirement: in some situations a code path should only be > chosen when a certain structure is present and certain requirements for > certain parts of the structure are fulfilled. When you separate these > two things artificially you will make the thing more complicated, you > need to introduce extra bindings (for the tests) that the BODY doesn't > use, resulting in poorly readable code. Would you be willing to show me two or thhree examples of this, so I cam make sure those are natural enough in the framework I'm designing? -- Dr Richard Stallman (https://stallman.org) Chief GNUisance of the GNU Project (https://gnu.org) Founder, Free Software Foundation (https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)