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: How to iterate over properties in a plist? Date: Sat, 01 Aug 2015 18:49:38 -0400 Message-ID: References: <876150vwaa.fsf@mbork.pl> <873803x5q4.fsf@kuiper.lan.informatimago.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1438469410 8123 80.91.229.3 (1 Aug 2015 22:50:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 1 Aug 2015 22:50:10 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Aug 02 00:50:04 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 1ZLfbQ-0002uB-0C for geh-help-gnu-emacs@m.gmane.org; Sun, 02 Aug 2015 00:50:04 +0200 Original-Received: from localhost ([::1]:54851 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZLfbP-0000Qw-4G for geh-help-gnu-emacs@m.gmane.org; Sat, 01 Aug 2015 18:50:03 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60391) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZLfbF-0000Qe-Un for help-gnu-emacs@gnu.org; Sat, 01 Aug 2015 18:49:54 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZLfbA-0004U3-VX for help-gnu-emacs@gnu.org; Sat, 01 Aug 2015 18:49:53 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:53433) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZLfbA-0004Tp-OX for help-gnu-emacs@gnu.org; Sat, 01 Aug 2015 18:49:48 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZLfb9-0002pG-Be for help-gnu-emacs@gnu.org; Sun, 02 Aug 2015 00:49:47 +0200 Original-Received: from 93-54-78-18.ip128.fastwebnet.it ([93.54.78.18]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 02 Aug 2015 00:49:47 +0200 Original-Received: from monnier by 93-54-78-18.ip128.fastwebnet.it with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 02 Aug 2015 00:49:47 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 11 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 93-54-78-18.ip128.fastwebnet.it User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:2++tvRiu2pm9UN0NoVFiRqOI6Lw= 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:106195 Archived-At: > There's no difference between a-lists and p-list: Far from it, there are many reasons to prefer alists: - there's twice as much memory parallelism in alists. - plists need to be "parsed" in order to figure out if an element is a key or a value. - plists come much later in the dictionary. Stefan