From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: 7 logical-xor implementations in source tree Date: Tue, 23 Jul 2019 12:40:43 +0200 Message-ID: References: <87tvbd9a8p.fsf@oremacs.com> <86wog9gn5n.fsf@gmail.com> <7AAB8009-DD68-4EA7-93CC-3B4A89FC8AFD@acm.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="159146"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux) Cc: emacs-devel@gnu.org To: Andy Moreton Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jul 23 12:40:57 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hpsE4-000fHJ-S2 for ged-emacs-devel@m.gmane.org; Tue, 23 Jul 2019 12:40:56 +0200 Original-Received: from localhost ([::1]:41056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpsE3-0001Ib-Se for ged-emacs-devel@m.gmane.org; Tue, 23 Jul 2019 06:40:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39346) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpsDv-0001IV-88 for emacs-devel@gnu.org; Tue, 23 Jul 2019 06:40:48 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hpsDu-0003Nj-DO for emacs-devel@gnu.org; Tue, 23 Jul 2019 06:40:47 -0400 Original-Received: from mx2.suse.de ([195.135.220.15]:51376 helo=mx1.suse.de) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hpsDu-0003ML-6t for emacs-devel@gnu.org; Tue, 23 Jul 2019 06:40:46 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Original-Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C9988B0D7; Tue, 23 Jul 2019 10:40:43 +0000 (UTC) X-Yow: Are you selling NYLON OIL WELLS?? If so, we can use TWO DOZEN!! In-Reply-To: (Andy Moreton's message of "Tue, 23 Jul 2019 11:26:18 +0100") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-Received-From: 195.135.220.15 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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:238831 Archived-At: On Jul 23 2019, Andy Moreton wrote: > Perhaps an `xor' special form in eval.c next to `and' and `or' ? There is no need for a special form since xor needs to evaluate all its arguments anyway. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."