From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Tomas Hlavaty Newsgroups: gmane.emacs.devel Subject: Re: combining cond and let, to replace pcase. Date: Sun, 19 Nov 2023 19:10:08 +0100 Message-ID: <874jhh62db.fsf@neko.mail-host-address-is-not-set> References: <878r6u3s7f.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18419"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Spencer Baugh , emacs-devel@gnu.org To: Michael Heerdegen , Richard Stallman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Nov 19 19:10:55 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 1r4mFy-0004ah-1P for ged-emacs-devel@m.gmane-mx.org; Sun, 19 Nov 2023 19:10:54 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r4mFW-0003cF-G4; Sun, 19 Nov 2023 13:10:26 -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 1r4mFU-0003bo-RJ for emacs-devel@gnu.org; Sun, 19 Nov 2023 13:10:24 -0500 Original-Received: from logand.com ([37.48.87.44]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r4mFT-0002jY-80; Sun, 19 Nov 2023 13:10:24 -0500 Original-Received: by logand.com (Postfix, from userid 1001) id 16A9A19E7F2; Sun, 19 Nov 2023 19:10:10 +0100 (CET) X-Mailer: emacs 28.2 (via feedmail 11-beta-1 I) In-Reply-To: <878r6u3s7f.fsf@web.de> Received-SPF: pass client-ip=37.48.87.44; envelope-from=tom@logand.com; helo=logand.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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-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:313009 Archived-At: On Sun 19 Nov 2023 at 12:20, Michael Heerdegen wrote: > Richard Stallman writes: > >> Some of them could do destructuring as well as matching. >> >> I hoipe that using a few constructs to divide up the job will avoid >> the kludginess of pcase's bells-and-whistles-for-everything approach, >> resulting in something equally convenient but made of simple >> components. > > I really don't know how you come to such a conclusion. [...] > To me this discussion looks like some people aren't willing to accept > multiplication like 10*5 because it "looks strange" and "one would rather > write "5+5+5+5+5+5+5+5+5+5" because this would be much simpler and we > don't need this strange "*" at all. no, one would rather write (* 10 5) and (+ 5 (* 3 2) 1) than 5+3*2+1 instead of a form with complex syntax, e.g. have * and + functions instead of infix macro that is why cl-loop and maybe pcase are "ugly" one heuristic could be if autodoc can display something useful