From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kevin Ryde Newsgroups: gmane.lisp.guile.devel Subject: Re: [PATCH] Marking weak alist vectors Date: Thu, 10 Nov 2005 08:11:16 +1100 Message-ID: <8764r18r2j.fsf@zip.com.au> References: <87y83z3vh5.fsf@laas.fr> <4371CF46.4010708@xs4all.nl> <87y83xkcq6.fsf@laas.fr> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: sea.gmane.org 1131570860 6990 80.91.229.2 (9 Nov 2005 21:14:20 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 9 Nov 2005 21:14:20 +0000 (UTC) Cc: Han-Wen Nienhuys Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Wed Nov 09 22:14:17 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1EZxEI-0006JM-IK for guile-devel@m.gmane.org; Wed, 09 Nov 2005 22:11:38 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EZxEH-0000SR-VL for guile-devel@m.gmane.org; Wed, 09 Nov 2005 16:11:38 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1EZxEE-0000RV-L3 for guile-devel@gnu.org; Wed, 09 Nov 2005 16:11:34 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1EZxEC-0000PT-QE for guile-devel@gnu.org; Wed, 09 Nov 2005 16:11:34 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EZxEC-0000PL-M4 for guile-devel@gnu.org; Wed, 09 Nov 2005 16:11:32 -0500 Original-Received: from [61.8.0.115] (helo=mailout2.pacific.net.au) by monty-python.gnu.org with esmtp (Exim 4.34) id 1EZxEC-0005hc-6c for guile-devel@gnu.org; Wed, 09 Nov 2005 16:11:32 -0500 Original-Received: from mailproxy2.pacific.net.au (mailproxy2.pacific.net.au [61.8.0.87]) by mailout2.pacific.net.au (8.13.4/8.13.4/Debian-3) with ESMTP id jA9LBOl8031435; Thu, 10 Nov 2005 08:11:24 +1100 Original-Received: from localhost (ppp212C.dyn.pacific.net.au [61.8.33.44]) by mailproxy2.pacific.net.au (8.13.4/8.13.4/Debian-3) with ESMTP id jA9LBNeJ022480; Thu, 10 Nov 2005 08:11:24 +1100 Original-Received: from gg by localhost with local (Exim 3.36 #1 (Debian)) id 1EZxDw-0000bq-00; Thu, 10 Nov 2005 08:11:16 +1100 Original-To: guile-devel@gnu.org Mail-Copies-To: never In-Reply-To: <87y83xkcq6.fsf@laas.fr> (Ludovic =?iso-8859-1?Q?Court=E8s's?= message of "Wed, 09 Nov 2005 17:28:01 +0100") User-Agent: Gnus/5.110004 (No Gnus v0.4) Emacs/21.4 (gnu/linux) X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:5385 Archived-At: ludovic.courtes@laas.fr (Ludovic Court=E8s) writes: > > For instance, while > testing weakly-key alist vectors "by hand" in a REPL, it occurred to > me that the weak-key pair would reliably die, *unless* the hash > table was written (I mean using `write'): I may have struck that or something similar a while back. Mikael explained it was a reference held in the print data of the output port, or something. Used to detect cyclic structures, or something. I don't think I understood why such a reference ought to persist once outside the print, I'd suspect it'd be better if it didn't, if that could be arranged. _______________________________________________ Guile-devel mailing list Guile-devel@gnu.org http://lists.gnu.org/mailman/listinfo/guile-devel