From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.help Subject: Re: How to delete/unbind a name defined in Emacs Lisp? Date: 06 Jan 2004 13:08:11 +0100 Organization: Organization?!? Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Message-ID: References: NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1073391853 2386 80.91.224.253 (6 Jan 2004 12:24:13 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 6 Jan 2004 12:24:13 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Jan 06 13:24:10 2004 Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1AdqFm-0005rm-00 for ; Tue, 06 Jan 2004 13:24:10 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.24) id 1Adr5A-0003kK-DH for geh-help-gnu-emacs@m.gmane.org; Tue, 06 Jan 2004 08:17:16 -0500 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!newsmi-us.news.garr.it!NewsITBone-GARR!news.mailgate.org!newsfeed.stueberl.de!fu-berlin.de!uni-berlin.de!pd9509d88.dip.t-dialin.NET!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 15 Original-NNTP-Posting-Host: pd9509d88.dip.t-dialin.net (217.80.157.136) Original-X-Trace: news.uni-berlin.de 1073390892 6452791 217.80.157.136 ([198409]) X-Face: 2FEFf>]>q>2iw=B6, xrUubRI>pR&Ml9=ao@P@i)L:\urd*t9M~y1^:+Y]'C0~{mAl`oQuAl \!3KEIp?*w`|bL5qr,H)LFO6Q=qx~iH4DN; i"; /yuIsqbLLCh/!U#X[S~(5eZ41to5f%E@'ELIi$t^ Vc\LWP@J5p^rst0+('>Er0=^1{]M9!p?&:\z]|;&=NP3AhB!B_bi^]Pfkw User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 Original-Xref: shelby.stanford.edu gnu.emacs.help:119772 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.2 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: main.gmane.org gmane.emacs.help:15715 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:15715 WANG Wei writes: > Hello all! > > When we say (defun xxx () ...), we introduce a new name "xxx" in > Emacs. A lot of such names will dirty the global name space. So I > wonder how to delete names that I don't need any more. Why do you create them in the first place? If you need a function just temporarily, you can create it ad-hoc with lambda: ((lambda (x y) (+ x (* 2 y))) 3 4) => 11 -- David Kastrup, Kriemhildstr. 15, 44793 Bochum