From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?utf-8?Q?Johan_Bockg=C3=A5rd?= Newsgroups: gmane.emacs.devel Subject: Re: Question on pcase Date: Sat, 24 Oct 2015 22:03:30 +0200 Message-ID: <87mvv8aval.fsf@gnu.org> References: <871tcngdv2.fsf@gmail.com> <87k2qe1u09.fsf@web.de> <83r3kmrtat.fsf@gnu.org> <87r3kl22zk.fsf@web.de> <837fmdzpf2.fsf@gnu.org> <87oafp659p.fsf@web.de> <831tclzly9.fsf@gnu.org> <87fv115t20.fsf@web.de> <20151024090146.GA1849@acm.fritz.box> <4f8ca905-8222-48d5-b7a2-21c0ee40bfb5@default> <20151024172258.GA2731@acm.fritz.box> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1445717036 7341 80.91.229.3 (24 Oct 2015 20:03:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 24 Oct 2015 20:03:56 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Oct 24 22:03:45 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 1Zq52V-0006sb-PR for ged-emacs-devel@m.gmane.org; Sat, 24 Oct 2015 22:03:43 +0200 Original-Received: from localhost ([::1]:45492 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zq52V-0004V0-7Z for ged-emacs-devel@m.gmane.org; Sat, 24 Oct 2015 16:03:43 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59825) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zq52R-0004Uj-Pu for emacs-devel@gnu.org; Sat, 24 Oct 2015 16:03:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zq52O-0006hb-Js for emacs-devel@gnu.org; Sat, 24 Oct 2015 16:03:39 -0400 Original-Received: from smtprelay-b32.telenor.se ([213.150.131.21]:47169) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zq52O-0006hV-DN for emacs-devel@gnu.org; Sat, 24 Oct 2015 16:03:36 -0400 Original-Received: from ipb2.telenor.se (ipb2.telenor.se [195.54.127.165]) by smtprelay-b32.telenor.se (Postfix) with ESMTP id 245ACF342B for ; Sat, 24 Oct 2015 22:03:34 +0200 (CEST) X-SMTPAUTH-B2: [bocjoh] X-SENDER-IP: [85.229.6.149] X-LISTENER: [smtp.bredband.net] X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DtCgBe4ytWPJUG5VVeGQQGAQEDAQIEgweBNA+GWrdwgVqGHQKBJjoTAQEBAQEBAQYBAQEBQT9BDAGDZQEBAwFWKAsLISUPAQQYAQwKLYgoDAHFAgELIYt1hRQXhBcFljapUSMBhEQ8NIUpgW8BAQE X-IPAS-Result: A2DtCgBe4ytWPJUG5VVeGQQGAQEDAQIEgweBNA+GWrdwgVqGHQKBJjoTAQEBAQEBAQYBAQEBQT9BDAGDZQEBAwFWKAsLISUPAQQYAQwKLYgoDAHFAgELIYt1hRQXhBcFljapUSMBhEQ8NIUpgW8BAQE X-IronPort-AV: E=Sophos;i="5.20,193,1444687200"; d="scan'208";a="338476534" Original-Received: from c-9506e555.04-211-6c6b701.cust.bredbandsbolaget.se (HELO muon.localdomain) ([85.229.6.149]) by ipb2.telenor.se with ESMTP; 24 Oct 2015 22:03:34 +0200 Original-Received: by muon.localdomain (Postfix, from userid 1000) id 163EF4841A7; Sat, 24 Oct 2015 22:03:31 +0200 (CEST) Mail-Copies-To: never In-Reply-To: <20151024172258.GA2731@acm.fritz.box> (Alan Mackenzie's message of "Sat, 24 Oct 2015 17:22:58 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 213.150.131.21 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:192582 Archived-At: Alan Mackenzie writes: > I think they're both meaningful - the "pattern" is a description of what > is being matched, and the "form" is the lisp form which achieves this > matching. I think. But a "form" is a Lisp _expression_ that you can evaluate. So (pred ...) is not a form (it is special syntax that is only meaningful inside pcase).