From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: type-of semantics unclear for records Date: Tue, 4 Apr 2017 18:45:23 -0700 Organization: UCLA Computer Science Department Message-ID: <967bcfa0-bdc8-2a3d-c02d-4ce6e938f955@cs.ucla.edu> References: <5a8f7878-6731-2d9f-36dc-52f06e680697@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1491356779 18750 195.159.176.226 (5 Apr 2017 01:46:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 5 Apr 2017 01:46:19 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 To: Stefan Monnier , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Apr 05 03:46:16 2017 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 1cva1R-0003A9-HT for ged-emacs-devel@m.gmane.org; Wed, 05 Apr 2017 03:46:09 +0200 Original-Received: from localhost ([::1]:38358 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cva1S-0008CJ-5C for ged-emacs-devel@m.gmane.org; Tue, 04 Apr 2017 21:46:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39254) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cva0q-0008C1-E5 for emacs-devel@gnu.org; Tue, 04 Apr 2017 21:45:33 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cva0l-0006Am-I8 for emacs-devel@gnu.org; Tue, 04 Apr 2017 21:45:32 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:44552) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cva0l-0006AY-BD for emacs-devel@gnu.org; Tue, 04 Apr 2017 21:45:27 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 72ACD160086; Tue, 4 Apr 2017 18:45:24 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id eFC5GFemD1Ve; Tue, 4 Apr 2017 18:45:23 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id C1F871600A6; Tue, 4 Apr 2017 18:45:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id v3QyPdb9PU3B; Tue, 4 Apr 2017 18:45:23 -0700 (PDT) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id A904F160086; Tue, 4 Apr 2017 18:45:23 -0700 (PDT) In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 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:213663 Archived-At: On 04/04/2017 06:10 PM, Stefan Monnier wrote: > the first field can be a type name (a symbol) or > a type descriptor (a record, where the first field holds the > corresponding type name). Ah, I'm afraid I don't know how type descriptors are supposed to work in Emacs. I don't offhand see the concept mentioned in the documentation; shouldn't it be?