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: Qs on obarrays Date: Wed, 12 Oct 2005 10:17:47 -0600 Message-ID: References: <87zmpfy0y0.fsf@thalassa.informatimago.com> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1129134325 21715 80.91.229.2 (12 Oct 2005 16:25:25 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 12 Oct 2005 16:25:25 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Oct 12 18:25:12 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1EPjOJ-0006Ok-Nk for geh-help-gnu-emacs@m.gmane.org; Wed, 12 Oct 2005 18:23:44 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EPjOI-0005PV-Qt for geh-help-gnu-emacs@m.gmane.org; Wed, 12 Oct 2005 12:23:42 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1EPjNs-0005MM-NP for help-gnu-emacs@gnu.org; Wed, 12 Oct 2005 12:23:16 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1EPjNr-0005Lh-1z for help-gnu-emacs@gnu.org; Wed, 12 Oct 2005 12:23:16 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EPjNq-0005Lb-SZ for help-gnu-emacs@gnu.org; Wed, 12 Oct 2005 12:23:14 -0400 Original-Received: from [80.91.229.2] (helo=ciao.gmane.org) by monty-python.gnu.org with esmtp (TLS-1.0:RSA_AES_128_CBC_SHA:16) (Exim 4.34) id 1EPjNq-00033W-Np for help-gnu-emacs@gnu.org; Wed, 12 Oct 2005 12:23:14 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1EPjKg-000539-3f for help-gnu-emacs@gnu.org; Wed, 12 Oct 2005 18:19:58 +0200 Original-Received: from 207.167.42.60 ([207.167.42.60]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 12 Oct 2005 18:19:58 +0200 Original-Received: from ihs_4664 by 207.167.42.60 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 12 Oct 2005 18:19:58 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-To: help-gnu-emacs@gnu.org Original-Lines: 43 Original-X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: 207.167.42.60 User-Agent: Mozilla Thunderbird 0.9 (X11/20041105) X-Accept-Language: en-us, en In-Reply-To: <87zmpfy0y0.fsf@thalassa.informatimago.com> 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:30175 Archived-At: Pascal Bourguignon wrote: > "Drew Adams" writes: >>However, this does not seem to work for me: >> >>(let ((my-obarray (make-vector 7 0))) >> (dolist (name my-names) (intern name my-obarray)) >> (all-completions "" my-obarray 'commandp)) >> >>Even if all of my-names are symbol-names of commands, this always returns >>nil. Any idea why? > > Because symbols are objects, they have their own identity. When a > symbol is used to name a function or command, it's the symbol identity > that's used, not its name (otherwise we would use strings to name > functions!). > > Try this: > > (defmacro defun-with-symbol (name args &rest body) > `(defun ,(eval name) ,args ,@body)) > > (let ((my-obarray (make-vector 7 0))) > (defun-with-symbol (intern "insert-hello" my-obarray) () > (interactive) > (insert "Hello ")) > (defun-with-symbol (intern "insert-world" my-obarray) () > (interactive) > (insert "World! ")) > (funcall (intern "insert-hello" my-obarray)) > (funcall (intern "insert-world" my-obarray)) > (all-completions "" my-obarray 'commandp)) An alternative is to change just the predicate to check the standard obarray: (let ((my-obarray (make-vector 7 0))) (dolist (name my-names) (intern name my-obarray)) (all-completions "" my-obarray (lambda (symbol) (commandp (intern (symbol-name symbol)))))) -- Kevin