From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: sending function arguments to recursive function calls Date: Wed, 08 May 2013 08:25:55 -0400 Message-ID: References: <0F54256BD7B94384AC4DDA919D502C20@us.oracle.com> <878v3qu9fb.fsf@kuiper.lan.informatimago.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1368016218 12138 80.91.229.3 (8 May 2013 12:30:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 8 May 2013 12:30:18 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed May 08 14:30:17 2013 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 1Ua3Vh-0006Bs-Gs for geh-help-gnu-emacs@m.gmane.org; Wed, 08 May 2013 14:30:17 +0200 Original-Received: from localhost ([::1]:47463 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ua3Vh-0007we-3s for geh-help-gnu-emacs@m.gmane.org; Wed, 08 May 2013 08:30:17 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:40038) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ua3VW-0007uP-Ld for help-gnu-emacs@gnu.org; Wed, 08 May 2013 08:30:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ua3VV-0003eM-9s for help-gnu-emacs@gnu.org; Wed, 08 May 2013 08:30:06 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:43822) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ua3VV-0003cF-4M for help-gnu-emacs@gnu.org; Wed, 08 May 2013 08:30:05 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Ua3VT-0005yB-Q5 for help-gnu-emacs@gnu.org; Wed, 08 May 2013 14:30:03 +0200 Original-Received: from 184.175.6.252 ([184.175.6.252]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 08 May 2013 14:30:03 +0200 Original-Received: from monnier by 184.175.6.252 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 08 May 2013 14:30:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 23 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 184.175.6.252 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) Cancel-Lock: sha1:TTbMmK4qqzbF4UVhuWC6dIAwvus= 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:90547 Archived-At: > (make-scale-adjuster 42) > --> #[nil "\301\302!!\207" [inc text-scale-adjust abs] 3 nil nil] > (make-scale-adjuster 33) > --> #[nil "\301\302!!\207" [inc text-scale-adjust abs] 3 nil nil] > (eq (make-scale-adjuster 42) > (make-scale-adjuster 33)) --> t > Here when compiling the function the closure inside is compiled at the > same time, and when calling the compiled function, the same closed > function is returned. (It is a little strange that they're eq, since They're `eq' because you compiled them in dynamic-binding mode (i.e. they won't work). > A good trick is to wrap all your special^W dynamic variables in stars: > (defvar *dynamic-variable* 'dyn) That's the Common-Lisp convention, but Elisp uses another convention, which is to add a "package prefix" such as `mypackage-myvar'. Stefan