From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.devel Subject: Re: The progress of hacking guile and prolog Date: Sat, 20 Nov 2010 12:25:31 +0100 Message-ID: References: <201010212223.23822.stefan.itampe@gmail.com> <87bp66q8g5.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1290252110 13780 80.91.229.12 (20 Nov 2010 11:21:50 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 20 Nov 2010 11:21:50 +0000 (UTC) Cc: Ludovic =?utf-8?Q?Court=C3=A8s?= , guile-devel@gnu.org To: Noah Lavine Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Sat Nov 20 12:21:45 2010 Return-path: Envelope-to: guile-devel@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 1PJlVp-00024W-Mt for guile-devel@m.gmane.org; Sat, 20 Nov 2010 12:21:45 +0100 Original-Received: from localhost ([127.0.0.1]:50756 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PJlVp-00058k-5O for guile-devel@m.gmane.org; Sat, 20 Nov 2010 06:21:45 -0500 Original-Received: from [140.186.70.92] (port=57300 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PJlVl-00058f-EH for guile-devel@gnu.org; Sat, 20 Nov 2010 06:21:42 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PJlVj-0002GF-6Q for guile-devel@gnu.org; Sat, 20 Nov 2010 06:21:41 -0500 Original-Received: from a-pb-sasl-sd.pobox.com ([64.74.157.62]:55455 helo=sasl.smtp.pobox.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PJlVj-0002G1-2W; Sat, 20 Nov 2010 06:21:39 -0500 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 78FF63404; Sat, 20 Nov 2010 06:21:48 -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=jgByPahhQ0j+lJq5hN1jNBegfHU=; b=DBSwsF UBiNnNECxFDV9rWsz6M44EHpMKyP6Yuvlq2PK9ZI3XkWWVe9VG0zL9KlVg4Muokw NJb9fnFD3al2cdu25g9xsWV1fDJY767dSJXJPDnw0yMPImF/BMzLKIbLK8rMy5SV qp/OOqgChL4AO1X3z3GZd72xm1wWduqs86msA= 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=mjIQ9Yg42ma3JL4Kxn6bjR342iT4fgU3 u8o7fKoLiD7wPKjKxWuNQqmY3v/CMb2oA21U6nGinTjCJg5b6YGbKd62xCvJqEbM 0BgXIYlN3Y0LCTxhVQZmZ74KWj2y4mO/fg6UvOofxWYd1xmY4Ws5+Gf1kToPe+pU OU+CWczVEAQ= 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 3E5763403; Sat, 20 Nov 2010 06:21:46 -0500 (EST) Original-Received: from unquote.localdomain (unknown [88.0.167.219]) (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 455AE3402; Sat, 20 Nov 2010 06:21:42 -0500 (EST) In-Reply-To: (Noah Lavine's message of "Wed, 3 Nov 2010 22:40:09 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-Pobox-Relay-ID: 5C1BC824-F498-11DF-8D79-B53272ABC92C-02397024!a-pb-sasl-sd.pobox.com X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) 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:11153 Archived-At: Hi Noah, On Thu 04 Nov 2010 03:40, Noah Lavine writes: > I think that Guile should offer optional static checking - not just of > types, but of everything that we can check. It seems like you're really asking for *dynamic* checking -- not only checking properties that can be proved statically, without running the program, but also runtime properties. In this regard, I have a positive impression of the work that people are doing on "contracts", especially the Racket folks. http://docs.racket-lang.org/reference/contracts.html Happy reading, Andy -- http://wingolog.org/