From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Antoine Levitt Newsgroups: gmane.emacs.bugs Subject: bug#12895: 24.3.50; Replacement for flet Date: Thu, 15 Nov 2012 14:35:41 +0100 Message-ID: <87a9uj9efm.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1352986595 10799 80.91.229.3 (15 Nov 2012 13:36:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 15 Nov 2012 13:36:35 +0000 (UTC) To: 12895@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Nov 15 14:36:46 2012 Return-path: Envelope-to: geb-bug-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 1TYzcV-0004Kb-WB for geb-bug-gnu-emacs@m.gmane.org; Thu, 15 Nov 2012 14:36:40 +0100 Original-Received: from localhost ([::1]:52475 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TYzcM-00060J-3C for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 15 Nov 2012 05:35:44 -0800 (PST) Original-Received: from sigma ([194.214.160.170]) by mx.google.com with ESMTPS id hv4sm27688563wib.0.2012.11.15.05.35.43 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 15 Nov 2012 05:35:43 -0800 (PST) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Spam-Score: -3.4 (---) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-Spam-Score: -3.4 (---) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:66956 Archived-At: Hi, I'm trying to dynamically bind a function, and used flet previously. flet is now apparently obsolete. The docstring suggests using cl-flet. But cl-flet does lexical binding, not dynamic. How do I get the old behavior (dynamic binding) without using the now-obsolete flet? I'm confused by the number of subtly different functions to do the same thing - letf, flet, labels, cl-labels, cl-letf, cl-flet - and find the docstrings to be unclear. If I understand correctly, letf is what I need, but the following does not do what I expect it to (ie suppress the message) (defun something () (message "hi")) (letf ((message (lambda () (&rest args) nil))) (something)) Is this because message is a built-in? Sorry if this has been covered elsewhere, I couldn't find it. Antoine