From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thien-Thi Nguyen Newsgroups: gmane.emacs.help Subject: Re: Error: Symbol's value as variable is void Date: Sat, 26 Mar 2005 01:00:11 +0100 Organization: sometimes Message-ID: <7ewtrvff90.fsf@ada2.unipv.it> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1111796059 24321 80.91.229.2 (26 Mar 2005 00:14:19 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sat, 26 Mar 2005 00:14:19 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Mar 26 01:14:19 2005 Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DEywR-0002RS-D4 for geh-help-gnu-emacs@m.gmane.org; Sat, 26 Mar 2005 01:14:15 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DEzC1-0005fy-4r for geh-help-gnu-emacs@m.gmane.org; Fri, 25 Mar 2005 19:30:21 -0500 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!newsmi-us.news.garr.it!newsmi-eu.news.garr.it!NewsITBone-GARR!irazu.switch.ch!switch.ch!news.belwue.de!LF.net!quimby.gnus.org!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 16 Original-NNTP-Posting-Host: ada2.unipv.it Original-X-Trace: quimby.gnus.org 1111795209 32603 193.204.44.145 (26 Mar 2005 00:00:09 GMT) Original-X-Complaints-To: usenet@quimby.gnus.org Original-NNTP-Posting-Date: Sat, 26 Mar 2005 00:00:09 +0000 (UTC) User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) Cancel-Lock: sha1:+u6Gc5n8y+P/AMldNdtlaBi72YQ= Original-Xref: shelby.stanford.edu gnu.emacs.help:129619 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org X-MailScanner-To: geh-help-gnu-emacs@m.gmane.org Xref: news.gmane.org gmane.emacs.help:25170 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:25170 Joe Corneli writes: > when is it good to use `eval-when-compile'? when you want to evaluate something at compilation time. if this is not completely clear to you, probably it is best to drop its use and come back to it later (if ever). this kind of solution hints that the problem is of the family of problems relating to premature optimization. those kinds of problems are interesting in their own right, of course. no easier way to make a mess than to insist on phase separation... thi