From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: prj@po.cwru.edu (Paul Jarc) Newsgroups: gmane.lisp.guile.user Subject: Re: shared-substrings missing in 1.7 Date: Fri, 16 Jan 2004 15:24:18 -0500 Organization: What did you have in mind? A short, blunt, human pyramid? Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Message-ID: References: <1074242951.6739.5.camel@localhost> NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT X-Trace: sea.gmane.org 1074286104 21327 80.91.224.253 (16 Jan 2004 20:48:24 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 16 Jan 2004 20:48:24 +0000 (UTC) Cc: guile-user@gnu.org, Roland Orre Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Fri Jan 16 21:48:20 2004 Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1AhatA-0000eo-00 for ; Fri, 16 Jan 2004 21:48:20 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.24) id 1AhaYa-0003hj-9Q for guile-user@m.gmane.org; Fri, 16 Jan 2004 15:27:04 -0500 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.24) id 1AhaWV-0003BD-HP for guile-user@gnu.org; Fri, 16 Jan 2004 15:24:55 -0500 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.24) id 1AhaVw-0002zd-Kn for guile-user@gnu.org; Fri, 16 Jan 2004 15:24:52 -0500 Original-Received: from [129.22.104.63] (helo=harris.CNS.CWRU.Edu) by monty-python.gnu.org with esmtp (Exim 4.24) id 1AhaVw-0002zL-2R for guile-user@gnu.org; Fri, 16 Jan 2004 15:24:20 -0500 Original-Received: from conversion-daemon.smtp-a.cwru.edu by smtp-a.cwru.edu (iPlanet Messaging Server 5.2 HotFix 1.14 (built Mar 18 2003)) id <0HRL00301N8U1I@smtp-a.cwru.edu> for guile-user@gnu.org; Fri, 16 Jan 2004 15:24:19 -0500 (EST) Original-Received: from multivac.cwru.edu (multivac.ITS.CWRU.Edu [129.22.114.26]) by smtp-a.cwru.edu (iPlanet Messaging Server 5.2 HotFix 1.14 (built Mar 18 2003)) with SMTP id <0HRL003RENCJ1E@smtp-a.cwru.edu> for guile-user@gnu.org; Fri, 16 Jan 2004 15:24:19 -0500 (EST) Original-Received: (qmail 10369 invoked by uid 500); Fri, 16 Jan 2004 20:24:41 +0000 In-reply-to: Original-To: Greg Troxel Mail-followup-to: Greg Troxel , Roland Orre , guile-user@gnu.org Mail-Copies-To: nobody User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3 (gnu/linux) Original-Lines: 19 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.2 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: main.gmane.org gmane.lisp.guile.user:2623 X-Report-Spam: http://spam.gmane.org/gmane.lisp.guile.user:2623 Greg Troxel wrote: > This is a guile-specific non-R5RS feature, AFAICT. It seems a bit > non-Schemely, too, for a mutation of one object to cause another to > change Implicit copy-on-write substrings would be nice, though. Not that I'm volunteering. :) > As I've used shared substrings it is also non trivial to > change the code. > > So it sounds like you have code that depends on the cross-mutability > behavior. No, I think his code simply runs extremely slowly without shared substrings. paul _______________________________________________ Guile-user mailing list Guile-user@gnu.org http://mail.gnu.org/mailman/listinfo/guile-user