From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Markus Triska Newsgroups: gmane.emacs.devel Subject: Re: eval-when-compile vs defconst Date: Sun, 12 Nov 2006 20:06:37 +0100 Message-ID: <87slgoxz5u.fsf@gmx.at> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1163358519 14946 80.91.229.2 (12 Nov 2006 19:08:39 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sun, 12 Nov 2006 19:08:39 +0000 (UTC) Cc: rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Nov 12 20:08:37 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1GjKgy-0007qC-Rb for ged-emacs-devel@m.gmane.org; Sun, 12 Nov 2006 20:08:33 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1GjKgy-0004NW-6d for ged-emacs-devel@m.gmane.org; Sun, 12 Nov 2006 14:08:32 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1GjKf2-00037r-1E for emacs-devel@gnu.org; Sun, 12 Nov 2006 14:06:32 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1GjKf0-00036o-HF for emacs-devel@gnu.org; Sun, 12 Nov 2006 14:06:31 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1GjKf0-00036f-2F for emacs-devel@gnu.org; Sun, 12 Nov 2006 14:06:30 -0500 Original-Received: from [193.170.75.14] (helo=stud4.tuwien.ac.at) by monty-python.gnu.org with esmtp (Exim 4.52) id 1GjKes-0006TX-O6; Sun, 12 Nov 2006 14:06:23 -0500 Original-Received: from localhost.localdomain (v212-157.vps.tuwien.ac.at [128.131.212.157]) by stud4.tuwien.ac.at (8.9.3 (PHNE_29774)/8.9.3) with ESMTP id UAA02997; Sun, 12 Nov 2006 20:06:19 +0100 (MET) Original-To: Stephen Leake In-Reply-To: (Stephen Leake's message of "Sun\, 12 Nov 2006 09\:29\:23 -0500") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.90 (gnu/linux) 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:62126 Archived-At: Stephen Leake writes: > Is the `eval-when-compile' useful here? I'm thinking it is. > > The help for `defvar' says initvalue is evaluated, but it's not clear > whether that happens at compile time or load time. concat is recognized as a pure function by the optimizer and evaluated. So no, eval-when-compile isn't useful in this case. All the best! -- Markus Triska