From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.devel Subject: Re: Replace trivial pcase occurrences in the Emacs sources Date: Sat, 27 Oct 2018 13:09:08 +0100 Message-ID: <861s8b7frv.fsf@gmail.com> References: <20151216202605.GA3752@acm.fritz.box> <56892BDA.6060103@dancol.org> <871t9yk98g.fsf@fencepost.gnu.org> <568936F0.3060505@yandex.ru> <87wprqitj5.fsf@fencepost.gnu.org> <56893C8C.3060200@yandex.ru> <87oad2irtd.fsf@fencepost.gnu.org> <5689456A.1010601@yandex.ru> <87egdy8tyz.fsf@fencepost.gnu.org> <56895FDE.4060406@yandex.ru> <8760za8r4a.fsf@fencepost.gnu.org> <87h9iunkcg.fsf@web.de> <87h8hc4xw2.fsf_-_@web.de> <83tvlcsnee.fsf@gnu.org> <86mur137n8.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540642074 5318 195.159.176.226 (27 Oct 2018 12:07:54 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 27 Oct 2018 12:07:54 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (windows-nt) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Oct 27 14:07:50 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gGNNd-0001IG-DO for ged-emacs-devel@m.gmane.org; Sat, 27 Oct 2018 14:07:49 +0200 Original-Received: from localhost ([::1]:36385 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gGNPj-0002zT-Oe for ged-emacs-devel@m.gmane.org; Sat, 27 Oct 2018 08:09:59 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50434) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gGNP8-0002zM-Ad for emacs-devel@gnu.org; Sat, 27 Oct 2018 08:09:22 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gGNP4-0000LX-5g for emacs-devel@gnu.org; Sat, 27 Oct 2018 08:09:22 -0400 Original-Received: from [195.159.176.226] (port=38410 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gGNP3-0000Id-UK for emacs-devel@gnu.org; Sat, 27 Oct 2018 08:09:18 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1gGNMt-0000UB-UL for emacs-devel@gnu.org; Sat, 27 Oct 2018 14:07:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 16 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:DYpb3IC5+MFEwmHA/5kgHaqQfOs= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:230732 Archived-At: On Fri 26 Oct 2018, Stefan Monnier wrote: >> Pattern matching is a useful facility, but pcase is woefully hard to use >> correctly, as the existing (mis-)usage shows. Something that is >> significantly easier to read and comprehend is needed. > > I was just pointing out that it is easy to *experiment* with new > syntaxes (in order to find a new syntax so as to solve the current > problems). Sure, but you have also removed the other part of my comment. Where is the missing documentation ? Why was it not added at the same time as the code ? Meaningful doc strings and entries in the manual are long overdue. AndyM