From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Chris K. Jester-Young" Newsgroups: gmane.lisp.guile.devel Subject: Re: things are eq? but not generated at the same time Date: Tue, 11 Sep 2012 13:06:59 -0400 Message-ID: <20120911170659.GB14478@yarrow> References: <87mx14i8pk.fsf@Kagami.home> <87ipbsi86t.fsf@Kagami.home> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1347383240 25471 80.91.229.3 (11 Sep 2012 17:07:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 11 Sep 2012 17:07:20 +0000 (UTC) To: guile-devel@gnu.org Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Tue Sep 11 19:07:23 2012 Return-path: Envelope-to: guile-devel@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 1TBTvh-0004jQ-9v for guile-devel@m.gmane.org; Tue, 11 Sep 2012 19:07:17 +0200 Original-Received: from localhost ([::1]:46939 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TBTvd-0003Vi-Nx for guile-devel@m.gmane.org; Tue, 11 Sep 2012 13:07:13 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:57713) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TBTva-0003VJ-KR for guile-devel@gnu.org; Tue, 11 Sep 2012 13:07:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TBTvW-0000Pt-Kr for guile-devel@gnu.org; Tue, 11 Sep 2012 13:07:10 -0400 Original-Received: from mail-vb0-f41.google.com ([209.85.212.41]:47447) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TBTvW-0000Pk-HC for guile-devel@gnu.org; Tue, 11 Sep 2012 13:07:06 -0400 Original-Received: by vbkv13 with SMTP id v13so1226874vbk.0 for ; Tue, 11 Sep 2012 10:07:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:subject:message-id:mail-followup-to:references :mime-version:content-type:content-disposition:in-reply-to :user-agent; bh=Cf4r0vkYJrTJAokCjakV2o12ZNDCnfXXhQD0l5AOEFw=; b=dVyVxNFag9zdGvjGG9rbaopJ1ALkO2kMgGuwHs+6OBg+cQnWl3zLZokkXG9QMVFVvT D3OnvenYNoLjaWkDcCu2p5sJZb5dhof2M4PPxAneQaav6SounBYVlhXgOtaLydP9Xl6w Z22W+vj/fz6s/xMcZX15j8q0uFWLIyJ/hQVRX+JPew8nJGhJrlf/ChJgEFmqLKqnP5tU r9E3AZPYQ8+DCXSpvbDNiyUYAT0wiix8AnvFIjC/1VyuV4gAboViT6A4tvPMhgZe56qu NPBBe4kRPxaUUycPDqJ+sIw2Yy3a76lF3vctIObvgfGyajWZam/X2ddxlHmG/KC9ZXC/ hbQQ== Original-Received: by 10.52.16.212 with SMTP id i20mr21703611vdd.0.1347383226122; Tue, 11 Sep 2012 10:07:06 -0700 (PDT) Original-Received: from yarrow (cpe-069-134-140-185.nc.res.rr.com. [69.134.140.185]) by mx.google.com with ESMTPS id q10sm12313095vdj.12.2012.09.11.10.07.02 (version=SSLv3 cipher=OTHER); Tue, 11 Sep 2012 10:07:02 -0700 (PDT) Mail-Followup-To: guile-devel@gnu.org Content-Disposition: inline In-Reply-To: <87ipbsi86t.fsf@Kagami.home> User-Agent: Mutt/1.5.21 (2010-09-15) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.212.41 X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:14881 Archived-At: On Wed, Sep 05, 2012 at 08:24:58PM +0100, Ian Price wrote: > I, of course, meant vector literals, but a quick test shows this is not > the case. Literals are always immutable, and trying to modify them is nasal demon stuff. Of course, R6RS says implementations "should" raise an exception when an attempt is made to modify an immutable object, so perhaps that is something we should consider. Related: http://stackoverflow.com/a/12332939/13 Cheers, Chris.