From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Sebastian Tennant Newsgroups: gmane.lisp.guile.user Subject: Re: Placement of defines Date: Fri, 19 Dec 2008 11:18:34 +0000 Message-ID: References: <8wqdqq1i.fsf@vps203.linuxvps.org> <87iqph42xd.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1229685531 19543 80.91.229.12 (19 Dec 2008 11:18:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Dec 2008 11:18:51 +0000 (UTC) To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Fri Dec 19 12:19:57 2008 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LDdOe-00069S-C2 for guile-user@m.gmane.org; Fri, 19 Dec 2008 12:19:56 +0100 Original-Received: from localhost ([127.0.0.1]:34296 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LDdNR-0002zv-MF for guile-user@m.gmane.org; Fri, 19 Dec 2008 06:18:41 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LDdN9-0002yX-OS for guile-user@gnu.org; Fri, 19 Dec 2008 06:18:23 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LDdN8-0002wP-KQ for guile-user@gnu.org; Fri, 19 Dec 2008 06:18:22 -0500 Original-Received: from [199.232.76.173] (port=39809 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LDdN7-0002w7-U6 for guile-user@gnu.org; Fri, 19 Dec 2008 06:18:22 -0500 Original-Received: from main.gmane.org ([80.91.229.2]:57681 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LDdN7-0002Zq-Ka for guile-user@gnu.org; Fri, 19 Dec 2008 06:18:21 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LDdN5-0001se-Bj for guile-user@gnu.org; Fri, 19 Dec 2008 11:18:19 +0000 Original-Received: from vps203.linuxvps.org ([91.186.7.203]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 19 Dec 2008 11:18:19 +0000 Original-Received: from sebyte by vps203.linuxvps.org with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 19 Dec 2008 11:18:19 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 33 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: vps203.linuxvps.org User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/22.2 (gnu/linux) Cancel-Lock: sha1:3PBqW82GQAfAlVsT/8NS4ioNXdo= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:7022 Archived-At: Quoth ludo@gnu.org (Ludovic Courtès): > Sebastian Tennant writes: > >> Incidentally, perhaps you can tell me why the first argument to this >> compile-friendly macro has to be a string for it to work. >> >> guile> (define-macro (definer var val) >> `(define ,var ,val)) >> guile> (definer 'foo "bar") >> >> appears to have worked, but... >> >> guile> foo >> ERROR: Unbound variable: foo >> ABORT: (unbound-variable) > > Try this: > > (definer foo "bar") Yes it works. Damn. After much experimenting and head scratching... Question: When is a variable not a variable? Answer: When it's about to become the name of a variable. :) Seb