From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Han-Wen Nienhuys Newsgroups: gmane.lisp.guile.devel Subject: Re: gen gc Date: Thu, 18 Jul 2002 18:21:36 +0200 Sender: guile-devel-admin@gnu.org Message-ID: <15670.60176.837367.704404@meddo.cs.uu.nl> References: <15669.63974.973133.308661@blauw.xs4all.nl> NNTP-Posting-Host: localhost.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: main.gmane.org 1027009341 943 127.0.0.1 (18 Jul 2002 16:22:21 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Thu, 18 Jul 2002 16:22:21 +0000 (UTC) Cc: guile-devel@gnu.org Return-path: Original-Received: from fencepost.gnu.org ([199.232.76.164]) by main.gmane.org with esmtp (Exim 3.33 #1 (Debian)) id 17VE2m-0000F6-00 for ; Thu, 18 Jul 2002 18:22:20 +0200 Original-Received: from localhost ([127.0.0.1] helo=fencepost.gnu.org) by fencepost.gnu.org with esmtp (Exim 3.35 #1 (Debian)) id 17VE2g-0003UO-00; Thu, 18 Jul 2002 12:22:14 -0400 Original-Received: from aurora.cs.uu.nl ([131.211.80.20] helo=mail.cs.uu.nl) by fencepost.gnu.org with esmtp (Exim 3.35 #1 (Debian)) id 17VE25-0003Ou-00 for ; Thu, 18 Jul 2002 12:21:37 -0400 Original-Received: from meddo.cs.uu.nl.cs.uu.nl (meddo.cs.uu.nl [131.211.80.91]) by mail.cs.uu.nl (Postfix) with ESMTP id DDA431CB2A7; Thu, 18 Jul 2002 18:21:36 +0200 (CEST) Original-To: Dirk Herrmann In-Reply-To: X-Mailer: VM 7.03 under Emacs 21.2.1 Errors-To: guile-devel-admin@gnu.org X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Developers list for Guile, the GNU extensibility library List-Unsubscribe: , List-Archive: Xref: main.gmane.org gmane.lisp.guile.devel:823 X-Report-Spam: http://spam.gmane.org/gmane.lisp.guile.devel:823 dirk@sallust.ida.ing.tu-bs.de writes: > > What if I can't? Memory cells are going to move around. I don't see a > > way to generate a unique number without making some kind of table for > > objects subjected to object-address. > > > > Btw, I can imagine that internal hash tables might use the address of > > a cell as a source for a hash index. Does that happen anywhere? > > Look into hash.[ch]. scm_hashq seems to be what you think of. OK. In that case, how is this handled? Can we simply disallow plain cells as hash keys? Oh wait scm_hasher doesn't use the adress of an object. Good. -- Han-Wen Nienhuys | hanwen@cs.uu.nl | http://www.cs.uu.nl/~hanwen/ _______________________________________________ Guile-devel mailing list Guile-devel@gnu.org http://mail.gnu.org/mailman/listinfo/guile-devel