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: type-of semantics unclear for records Date: Wed, 05 Apr 2017 10:10:09 -0400 Message-ID: References: <5a8f7878-6731-2d9f-36dc-52f06e680697@cs.ucla.edu> <967bcfa0-bdc8-2a3d-c02d-4ce6e938f955@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1491401440 28505 195.159.176.226 (5 Apr 2017 14:10:40 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 5 Apr 2017 14:10:40 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Apr 05 16:10:35 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 1cvldj-0006TJ-PJ for ged-emacs-devel@m.gmane.org; Wed, 05 Apr 2017 16:10:27 +0200 Original-Received: from localhost ([::1]:40722 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cvldp-0007WH-FS for ged-emacs-devel@m.gmane.org; Wed, 05 Apr 2017 10:10:33 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40668) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cvldg-0007Ul-UZ for emacs-devel@gnu.org; Wed, 05 Apr 2017 10:10:25 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cvldc-0004gU-0k for emacs-devel@gnu.org; Wed, 05 Apr 2017 10:10:24 -0400 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:49124) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cvldb-0004g9-Sn for emacs-devel@gnu.org; Wed, 05 Apr 2017 10:10:19 -0400 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id v35EAAkC001578; Wed, 5 Apr 2017 10:10:10 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id E3327603E7; Wed, 5 Apr 2017 10:10:09 -0400 (EDT) In-Reply-To: <967bcfa0-bdc8-2a3d-c02d-4ce6e938f955@cs.ucla.edu> (Paul Eggert's message of "Tue, 4 Apr 2017 18:45:23 -0700") X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 2 Rules triggered EDT_SA_DN_PASS=0, RV5990=0 X-NAI-Spam-Version: 2.3.0.9418 : core <5990> : inlines <5781> : streams <1740057> : uri <2404286> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.22 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:213674 Archived-At: > Ah, I'm afraid I don't know how type descriptors are supposed to work in > Emacs. IIRC from core-Elisp's point of view they exist only here in `type-of` and are defined as "a record whose field 1 is the corresponding type name (a symbol)". > I don't offhand see the concept mentioned in the documentation; > shouldn't it be? Indeed, `make-record`s doctring should probably say something about it. Stefan