From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Kevin Rodgers Newsgroups: gmane.emacs.devel Subject: Re: Creating recursive customization types / widgets Date: Wed, 03 Dec 2003 12:05:18 -0700 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: <3FCE33EE.70409@yahoo.com> References: NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1070478428 6191 80.91.224.253 (3 Dec 2003 19:07:08 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 3 Dec 2003 19:07:08 +0000 (UTC) Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Wed Dec 03 20:07:02 2003 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1ARcL0-0001i0-00 for ; Wed, 03 Dec 2003 20:07:02 +0100 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.35 #1 (Debian)) id 1ARcKz-0003ay-00 for ; Wed, 03 Dec 2003 20:07:02 +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 1ARdHj-0001CJ-B4 for emacs-devel@quimby.gnus.org; Wed, 03 Dec 2003 15:07:43 -0500 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.24) id 1ARdHE-00019j-Rl for emacs-devel@gnu.org; Wed, 03 Dec 2003 15:07:12 -0500 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.24) id 1ARdGg-0000r6-Cl for emacs-devel@gnu.org; Wed, 03 Dec 2003 15:07:10 -0500 Original-Received: from [80.91.224.249] (helo=main.gmane.org) by monty-python.gnu.org with esmtp (Exim 4.24) id 1ARdGe-0000oz-Uj for emacs-devel@gnu.org; Wed, 03 Dec 2003 15:06:37 -0500 Original-Received: from list by main.gmane.org with local (Exim 3.35 #1 (Debian)) id 1ARcJD-00060d-00 for ; Wed, 03 Dec 2003 20:05:11 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-To: emacs-devel@gnu.org Original-Received: from sea.gmane.org ([80.91.224.252]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1ARcJC-00060V-00 for ; Wed, 03 Dec 2003 20:05:10 +0100 Original-Received: from news by sea.gmane.org with local (Exim 3.35 #1 (Debian)) id 1ARcJC-0001Xu-00 for ; Wed, 03 Dec 2003 20:05:10 +0100 Original-Lines: 21 Original-X-Complaints-To: usenet@sea.gmane.org User-Agent: Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv:0.9.4.1) Gecko/20020406 Netscape6/6.2.2 X-Accept-Language: en-us X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.2 Precedence: list List-Id: Emacs development discussions. List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:18331 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:18331 Richard Stallman wrote: > 'lazy' and 'delayed' are good because they describe how the widget > accomplish its task. But I now believe 'recursive' is best, because > it described what the task is. Also > > (define-widget 'binary-tree 'recursive ...) > > reads well: A binary tree is a recursive datastructure with the > following attributes ... > > That use is recursive, but the widget doesn't require you to use > recursion. Its essence is lazy or delayed evaluation. So I think > that should be the name. Can widgets have aliases, like variables and functions? -- Kevin Rodgers