From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: Problem when run-hook-with-args with closure Date: Fri, 19 Dec 2014 10:09:42 +0100 Message-ID: <87sigcngyx.fsf@web.de> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1418980283 14510 80.91.229.3 (19 Dec 2014 09:11:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Dec 2014 09:11:23 +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 Dec 19 10:11:16 2014 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 1Y1tad-00015l-Fa for geh-help-gnu-emacs@m.gmane.org; Fri, 19 Dec 2014 10:11:15 +0100 Original-Received: from localhost ([::1]:57414 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1tac-0004SA-SQ for geh-help-gnu-emacs@m.gmane.org; Fri, 19 Dec 2014 04:11:14 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34686) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1tZf-0003aH-So for help-gnu-emacs@gnu.org; Fri, 19 Dec 2014 04:10:23 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y1tZT-00032V-St for help-gnu-emacs@gnu.org; Fri, 19 Dec 2014 04:10:15 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:51944) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1tZT-0002zj-M4 for help-gnu-emacs@gnu.org; Fri, 19 Dec 2014 04:10:03 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Y1tZP-0000ab-Fq for help-gnu-emacs@gnu.org; Fri, 19 Dec 2014 10:09:59 +0100 Original-Received: from ip-90-186-139-244.web.vodafone.de ([90.186.139.244]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 19 Dec 2014 10:09:59 +0100 Original-Received: from michael_heerdegen by ip-90-186-139-244.web.vodafone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 19 Dec 2014 10:09:59 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 30 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: ip-90-186-139-244.web.vodafone.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:VD5huNqRpqtQX/XtO1nPc7dKXHA= 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:101674 Archived-At: Zhongwei Yao writes: > Hi, list, > I try following code on both emacs 24.4.1 and 24.3.1: > > (setq lexical-binding t) > (let ((x 1)) > (setq foo > (lambda (y) > (message "x+y=%d" (+ x y))))) > (run-hook-with-args 'foo 1) > > On emacs 24.4.1, it runs and print: "x+y=2" as expected. > On emacs 24.3.1, it gives error: > run-hook-with-args: Symbol's function definition is void: closure That had been a bug in 24.3 IMO. > And 24.4.1 is OK. I also can't reproduce it using my trunk built. So it has seemingly be fixed. > How can I solve it on 24.3.1? I can't give an advice better than "try to avoid the problem" or "please upgrade". Michael.