From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Anti-ignore? Date: Fri, 11 Sep 2015 03:10:07 +0200 Message-ID: <87k2rxpxqo.fsf@debian.uxu> References: <87fv2l9asn.fsf@kuiper.lan.informatimago.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1441933864 4217 80.91.229.3 (11 Sep 2015 01:11:04 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Sep 2015 01:11:04 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Sep 11 03:10:50 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZaCrV-0002kj-7o for geh-help-gnu-emacs@m.gmane.org; Fri, 11 Sep 2015 03:10:45 +0200 Original-Received: from localhost ([::1]:53336 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZaCrU-0007RZ-Gj for geh-help-gnu-emacs@m.gmane.org; Thu, 10 Sep 2015 21:10:44 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:32987) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZaCrD-0007R8-N8 for help-gnu-emacs@gnu.org; Thu, 10 Sep 2015 21:10:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZaCrA-0001hp-6b for help-gnu-emacs@gnu.org; Thu, 10 Sep 2015 21:10:27 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:58348) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZaCrA-0001hT-0p for help-gnu-emacs@gnu.org; Thu, 10 Sep 2015 21:10:24 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZaCr8-0002L8-M3 for help-gnu-emacs@gnu.org; Fri, 11 Sep 2015 03:10:22 +0200 Original-Received: from nl106-137-244.student.uu.se ([130.243.137.244]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 11 Sep 2015 03:10:22 +0200 Original-Received: from embe8573 by nl106-137-244.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 11 Sep 2015 03:10:22 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 27 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: nl106-137-244.student.uu.se Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) Cancel-Lock: sha1:WTdOf6rZ8Wb9uCqEtD6qL7RQW3M= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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 Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:107135 Archived-At: "Pascal J. Bourguignon" writes: >> the `ignore' function accepts any number of >> arguments and returns nil. Is there a `canonical' >> function which would accept any number of arguments >> and return t? (Note: I /can/ implement it >> myself;-), I'm just curious whether this exists - >> I couldn't find it.) > > (funcall (constantly t) 'what 'ever) --> t That yields: (void-function constantly) in funcall How about: (defun always-t (&rest args) t) I suppose this can be useful when you are submitting a function as an argument and you want it to be `t'. You can't just submit `t' because it isn't a function. -- underground experts united http://user.it.uu.se/~embe8573