From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.user Subject: Re: manipulating continuations Date: Sat, 12 Feb 2011 22:33:06 +0100 Message-ID: References: <4D5694ED.7080402@gmail.com> <201102121640.p1CGe7PM003227@fcs13.keithdiane.us> <87wrl53raf.fsf@ambire.localdomain> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1297546105 2060 80.91.229.12 (12 Feb 2011 21:28:25 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 12 Feb 2011 21:28:25 +0000 (UTC) Cc: guile-user@gnu.org To: Thien-Thi Nguyen Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Sat Feb 12 22:28:21 2011 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PoN0r-00009z-Gp for guile-user@m.gmane.org; Sat, 12 Feb 2011 22:28:17 +0100 Original-Received: from localhost ([127.0.0.1]:49856 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PoN0q-00007j-QR for guile-user@m.gmane.org; Sat, 12 Feb 2011 16:28:16 -0500 Original-Received: from [140.186.70.92] (port=56022 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PoN0d-00007e-Nj for guile-user@gnu.org; Sat, 12 Feb 2011 16:28:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PoN0c-0003J5-DB for guile-user@gnu.org; Sat, 12 Feb 2011 16:28:03 -0500 Original-Received: from a-pb-sasl-sd.pobox.com ([64.74.157.62]:58325 helo=sasl.smtp.pobox.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PoN0c-0003J0-7u for guile-user@gnu.org; Sat, 12 Feb 2011 16:28:02 -0500 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 8DDA942BB; Sat, 12 Feb 2011 16:29:04 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=EJK8iU4uQ3FY8/KVdrPYfKjTLbM=; b=YXNaAL UEXxM9JedoWhM3/IGTgtYeMYji+dJINflHeE4H5AL6+lZmgjRv23P+BkAMgWxauU PaYKxsQisfFON1+37zrnp7CDCsfgQy6qNTnV59IfpTL3MNaYKOzG6T1Folv4MpD5 Uve+McrM3neqktkk+VHZ6R6vMkElWvPZPIVxA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=uMMsVPa3w3dYEZhS1EA44ZKDMy2lu2jW pcgbRfFXDKFvHqidnxcgTA8tvIyEC9uLejzwEnQ8NsjdaXebABOU3w/LAHjuoXqK +Z5E/lMlZRM5Yu/cy52cPFAHvQwE7EWv1yLz0CRl70wi5GKzbQCP0IDc7wuqlJaE e6fRkow7iBs= Original-Received: from a-pb-sasl-sd.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 31CFD42BA; Sat, 12 Feb 2011 16:29:02 -0500 (EST) Original-Received: from unquote.localdomain (unknown [90.164.198.39]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTPSA id 544D442B9; Sat, 12 Feb 2011 16:28:59 -0500 (EST) In-Reply-To: <87wrl53raf.fsf@ambire.localdomain> (Thien-Thi Nguyen's message of "Sat, 12 Feb 2011 21:56:56 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-Pobox-Relay-ID: 1C531B86-36EF-11E0-9063-AF401E47CF6F-02397024!a-pb-sasl-sd.pobox.com X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-Received-From: 64.74.157.62 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:8433 Archived-At: On Sat 12 Feb 2011 21:56, Thien-Thi Nguyen writes: > () Andy Wingo > () Sat, 12 Feb 2011 18:16:20 +0100 > > R5RS and R6RS's continuations are not generally useful for making > abstractions that compose well together. I would not recommend them to > anyone. > > Are you saying Guile 2.0 breaks code that uses these traditional > continuations (successfully, in previous Guile versions)? No, I am not saying that. Tom's code works the same on Guile 1.8 and on 1.9/2.0. Regards, Andy -- http://wingolog.org/