From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kevin Rodgers Newsgroups: gmane.emacs.help Subject: Re: Using setq to obtain a symbol from a list, so that I can assign a function to it Date: Tue, 22 Apr 2008 23:10:58 -0600 Message-ID: References: <48505b79-009c-42c9-912f-219a06474731@f24g2000prh.googlegroups.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1208927561 4745 80.91.229.12 (23 Apr 2008 05:12:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 23 Apr 2008 05:12:41 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Apr 23 07:13:16 2008 connect(): Connection refused Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1JoXIC-0003aa-7y for geh-help-gnu-emacs@m.gmane.org; Wed, 23 Apr 2008 07:13:16 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JoXHW-0006Ze-BF for geh-help-gnu-emacs@m.gmane.org; Wed, 23 Apr 2008 01:12:34 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JoXGF-0005yp-SD for help-gnu-emacs@gnu.org; Wed, 23 Apr 2008 01:11:15 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JoXGD-0005y1-ND for help-gnu-emacs@gnu.org; Wed, 23 Apr 2008 01:11:14 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JoXGD-0005xw-DU for help-gnu-emacs@gnu.org; Wed, 23 Apr 2008 01:11:13 -0400 Original-Received: from main.gmane.org ([80.91.229.2] 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 1JoXGD-0006YC-1Z for help-gnu-emacs@gnu.org; Wed, 23 Apr 2008 01:11:13 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JoXG7-0001qQ-1Z for help-gnu-emacs@gnu.org; Wed, 23 Apr 2008 05:11:07 +0000 Original-Received: from c-67-190-29-163.hsd1.co.comcast.net ([67.190.29.163]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 23 Apr 2008 05:11:07 +0000 Original-Received: from kevin.d.rodgers by c-67-190-29-163.hsd1.co.comcast.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 23 Apr 2008 05:11:07 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 37 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: c-67-190-29-163.hsd1.co.comcast.net User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) In-Reply-To: X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) 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 Xref: news.gmane.org gmane.emacs.help:53495 Archived-At: srinik001@hotmail.com wrote: > Oops... I got the subject wrong. Instead of > > " Using setq to obtain a symbol from a list, so that I can assign a > function to it", it should read, "Using setq to assign value to the > result of a function". Sorry about that. Use set instead of setq: ,----[ C-h f setq RET ] | setq is a special form in `C source code'. | (setq [sym val]...) | | Set each sym to the value of its val. | The symbols sym are variables; they are literal (not evaluated). | The values val are expressions; they are evaluated. | Thus, (setq x (1+ y)) sets `x' to the value of `(1+ y)'. | The second val is not computed until after the first sym is set, and so on; | each val can use the new value of variables set earlier in the `setq'. | The return value of the `setq' form is the value of the last val. | | [back] `---- ,----[ C-h f set RET ] | set is a built-in function in `C source code'. | (set symbol newval) | | Set symbol's value to newval, and return newval. | | [back] `---- -- Kevin Rodgers Denver, Colorado, USA