From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Replace trivial pcase occurrences in the Emacs sources Date: Tue, 30 Oct 2018 23:19:35 -0400 Message-ID: References: <86mur137n8.fsf@gmail.com> <20181029130132.GB4195@ACM> <20181029134722.GC4195@ACM> <83r2g8klf9.fsf@gnu.org> <9bfd9d19-3b6b-57cd-50a0-24660707768b@gmail.com> <20181030181434.GB5705@ACM> <87231bd6-d4a3-e117-06b9-774ec482d62f@gmail.com> <867ehzx9j8.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540956037 8357 195.159.176.226 (31 Oct 2018 03:20:37 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 31 Oct 2018 03:20:37 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Oct 31 04:20:33 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 1gHh3W-00023X-JA for ged-emacs-devel@m.gmane.org; Wed, 31 Oct 2018 04:20:30 +0100 Original-Received: from localhost ([::1]:57069 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHh5c-0003rm-Uj for ged-emacs-devel@m.gmane.org; Tue, 30 Oct 2018 23:22:40 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58944) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHh5Q-0003rf-Lu for emacs-devel@gnu.org; Tue, 30 Oct 2018 23:22:31 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHh5G-0001Kh-9N for emacs-devel@gnu.org; Tue, 30 Oct 2018 23:22:23 -0400 Original-Received: from [195.159.176.226] (port=59635 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gHh5F-0001Ie-L5 for emacs-devel@gnu.org; Tue, 30 Oct 2018 23:22:17 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1gHh37-0001ee-By for emacs-devel@gnu.org; Wed, 31 Oct 2018 04:20:05 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 11 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:gc5hlnw/wXZIujSR1F1CgoT3k6E= 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:230867 Archived-At: > It is a perfectly reasonable conclusion. `pcase-exhaustive' is available > as a replacement for `pcase', but a similar exhaustive matcher that > signals an error on pattern match failure is missing for all of the > other pcase constructs. Their absence is a mere reflection of the fact that noone's found a concrete use for them yet. They'd be easy to add (just like pcase-exhaustive was easy to add once someone found a use for it). Stefan