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: Making 'eq' == 'eql' in bignum branch Date: Mon, 27 Aug 2018 18:44:54 -0700 Organization: UCLA Computer Science Department Message-ID: <072199dc-8152-124d-250d-f9c049de0aa8@cs.ucla.edu> References: <29f933ac-a6bf-8742-66a7-0a9d6d3e5a88@disroot.org> <87lgaio7xd.fsf@tromey.com> <877em1cb0i.fsf@tromey.com> <765767b2-d2e5-a9a6-f724-d58ecf4847bb@cs.ucla.edu> <76081b5d-8c10-0a37-2c97-d4864c0faa80@cs.ucla.edu> <09153aed-361d-4f82-d9ac-b502314769ae@cs.ucla.edu> <83lg91dqd4.fsf@gnu.org> 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 1535420753 11768 195.159.176.226 (28 Aug 2018 01:45:53 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 28 Aug 2018 01:45:53 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 Cc: emacs-devel@gnu.org To: rms@gnu.org, =?UTF-8?Q?Cl=c3=83=c2=a9ment_Pit-Claudel?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Aug 28 03:45:49 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 1fuT4n-0002xE-5P for ged-emacs-devel@m.gmane.org; Tue, 28 Aug 2018 03:45:49 +0200 Original-Received: from localhost ([::1]:35831 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fuT6t-0007Du-HW for ged-emacs-devel@m.gmane.org; Mon, 27 Aug 2018 21:47:59 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45848) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fuT5y-00077f-H7 for emacs-devel@gnu.org; Mon, 27 Aug 2018 21:47:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fuT3z-0003nN-I0 for emacs-devel@gnu.org; Mon, 27 Aug 2018 21:45:04 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:45246) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fuT3z-0003hK-BJ; Mon, 27 Aug 2018 21:44:59 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 883D8160029; Mon, 27 Aug 2018 18:44:55 -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 VOhhtggZ1yZz; Mon, 27 Aug 2018 18:44:54 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id C52FA1600CC; Mon, 27 Aug 2018 18:44:54 -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 jCXLAABJRQR5; Mon, 27 Aug 2018 18:44:54 -0700 (PDT) Original-Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 96222160029; Mon, 27 Aug 2018 18:44:54 -0700 (PDT) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:228992 Archived-At: Richard Stallman wrote: > For instance, you could run mapcar with a function > that would produce a number or nil, and nil would mean "ignore this one", > then apply max or min. Infinities serve the same function, so I'm not seeing the benefit of adding nil as another special case.