From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: The poor state of documentation of pcase like things. Date: Mon, 21 Dec 2015 00:04:21 -0500 Message-ID: References: <20151216202605.GA3752@acm.fritz.box> <87mvt859cw.fsf@russet.org.uk> <87poy2tqrc.fsf@web.de> <87mvt6nsxr.fsf@russet.org.uk> <87oadmkuwd.fsf@web.de> <874mfenltp.fsf@russet.org.uk>, Reply-To: rms@gnu.org NNTP-Posting-Host: plane.gmane.org Content-Type: text/plain; charset=Utf-8 X-Trace: ger.gmane.org 1450674415 31902 80.91.229.3 (21 Dec 2015 05:06:55 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 21 Dec 2015 05:06:55 +0000 (UTC) Cc: michael_heerdegen@web.de, emacs-devel@gnu.org, phillip.lord@russet.org.uk To: Phillip Lord Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Dec 21 06:06:46 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aAsgH-0002QK-J2 for ged-emacs-devel@m.gmane.org; Mon, 21 Dec 2015 06:06:45 +0100 Original-Received: from localhost ([::1]:43148 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aAsgG-00016v-L9 for ged-emacs-devel@m.gmane.org; Mon, 21 Dec 2015 00:06:44 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42955) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aAsgD-00016a-2W for emacs-devel@gnu.org; Mon, 21 Dec 2015 00:06:41 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aAsgC-0004x2-Bq for emacs-devel@gnu.org; Mon, 21 Dec 2015 00:06:41 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:52872) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aAse5-000422-2x; Mon, 21 Dec 2015 00:04:29 -0500 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1aAsdx-0005gj-42; Mon, 21 Dec 2015 00:04:22 -0500 In-reply-to: (message from Phillip Lord on Sun, 20 Dec 2015 09:25:18 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:196589 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. ]]] > It matches anything (like a variable) but does not actually bind a variable. Alas, that's the half of the answer that I already knew. What I don't know is, how do you _write_ the use of _? That seemed self-contradictory in the text that was posted. Can someone show me some properly working examples of _ in pcase and say what they do? -- Dr Richard Stallman President, Free Software Foundation (gnu.org, fsf.org) Internet Hall-of-Famer (internethalloffame.org) Skype: No way! See stallman.org/skype.html.