From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dave Goel Newsgroups: gmane.emacs.devel Subject: Re: changing multiple-value calls in emacs code. Date: Fri, 13 Mar 2009 16:57:25 -0400 Message-ID: <87wsat3zuy.fsf@marie.gnufans.net> References: <87fxhh5hx1.fsf@marie.gnufans.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1236977914 14243 80.91.229.12 (13 Mar 2009 20:58:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 13 Mar 2009 20:58:34 +0000 (UTC) Cc: emacs-devel@gnu.org To: Dave Goel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Mar 13 21:59:50 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LiETf-0005jE-OG for ged-emacs-devel@m.gmane.org; Fri, 13 Mar 2009 21:59:36 +0100 Original-Received: from localhost ([127.0.0.1]:50526 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LiESJ-0004cY-Kl for ged-emacs-devel@m.gmane.org; Fri, 13 Mar 2009 16:58:11 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LiERx-0004OX-LW for emacs-devel@gnu.org; Fri, 13 Mar 2009 16:57:49 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LiERs-0004Mb-T1 for emacs-devel@gnu.org; Fri, 13 Mar 2009 16:57:49 -0400 Original-Received: from [199.232.76.173] (port=35844 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LiERs-0004MX-Js for emacs-devel@gnu.org; Fri, 13 Mar 2009 16:57:44 -0400 Original-Received: from mta21.charter.net ([216.33.127.81]:44719) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LiERs-0003T5-43 for emacs-devel@gnu.org; Fri, 13 Mar 2009 16:57:44 -0400 Original-Received: from imp09 ([10.20.200.9]) by mta21.charter.net (InterMail vM.7.09.01.00 201-2219-108-20080618) with ESMTP id <20090313205727.TZQE3344.mta21.charter.net@imp09>; Fri, 13 Mar 2009 16:57:27 -0400 Original-Received: from marie.gnufans.net ([24.197.155.76]) by imp09 with charter.net id SkxR1b00D1fAMNY05kxRNK; Fri, 13 Mar 2009 16:57:27 -0400 Original-Received: from deego by marie.gnufans.net with local (Exim 3.36 #1 (Debian)) id 1LiERZ-0003I5-00; Fri, 13 Mar 2009 16:57:25 -0400 X-Face: #5@=vrmx5t3mZaPY8(mR.n+V#:%4NW7j5A&^}@lGp2rK; CQ4%iH1v'gh/^A)w5*6c&R2(P' 4+seYDq8OK'LPI/C(C^A*w|f*t+8, 'T8b#_0~h3!A7GoVroE[cr0Fb'A0%SdU|Lk@gBV&1vA In-Reply-To: <87fxhh5hx1.fsf@marie.gnufans.net> (Dave Goel's message of "Fri, 13 Mar 2009 15:42:02 -0400") User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) X-detected-operating-system: by monty-python.gnu.org: Solaris 10 (1203?) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:109608 Archived-At: I can now assure that no function in emacs tries to pass out multiple or zero values. [not even floor* etc. which always passed lists.].. In other words, no function invokes either (values) or (values-list) to pass out values. Conversely, nowhere in the entire emacs does any code expect multiple or zero values from another function. The latter, except for immediate self-contained invocations, such as (multiple-value-setq (a b) (values-list )) where returns a list such as (1 2) and *not* (values 1 2). So, if we want to install a better implementation of multiple values, now's the time ;-) ..