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: Lightweight Strings Date: Sun, 08 Nov 2009 21:02:50 -0500 Organization: UseNetServer.com Message-ID: References: <6a2256a1-bbdc-45ac-ba18-842797d4ad16@v30g2000yqm.googlegroups.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1257734453 26423 80.91.229.12 (9 Nov 2009 02:40:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 9 Nov 2009 02:40:53 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Nov 09 03:40:46 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1N7KBR-0000gA-3e for geh-help-gnu-emacs@m.gmane.org; Mon, 09 Nov 2009 03:40:45 +0100 Original-Received: from localhost ([127.0.0.1]:34286 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N7KBQ-0001JQ-LI for geh-help-gnu-emacs@m.gmane.org; Sun, 08 Nov 2009 21:40:44 -0500 Original-Path: news.stanford.edu!usenet.stanford.edu!news.glorb.com!news2.glorb.com!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post02.iad.highwinds-media.com!TEKSAVVY.COM-Free-a2kHrUvQQWlmc!not-for-mail Original-Newsgroups: gnu.emacs.help User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) Cancel-Lock: sha1:JRnKk9rZiM3QSPKLe+fVbFdrXiA= Original-X-Complaints-To: abuse@usenetserver.com Original-Lines: 12 Original-X-Trace: 6b3554af7784aeed244d200531 Original-Xref: news.stanford.edu gnu.emacs.help:174543 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:69619 Archived-At: > How lightweight are strings in Emacs, if they don't contain any > properties? If you look at emacs/src/lisp.h and search for Lisp_String, you'll see that strings are represented as a 4-word object: - size in chars - size in bytes - pointer to text-properties interval tree - pointer to the beginning of the string's content Stefan