220 11646 <20140704150243.GA3670@bacon.lysator.liu.se> article Path: news.gmane.org!not-for-mail From: Magnus Fromreide Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Value constraints (or contract programming in C++) Date: Fri, 4 Jul 2014 17:02:43 +0200 Lines: 27 Approved: news@gmane.org Message-ID: <20140704150243.GA3670@bacon.lysator.liu.se> References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: ger.gmane.org 1404486172 25251 80.91.229.3 (4 Jul 2014 15:02:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 4 Jul 2014 15:02:52 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDELLREETMBRBFME3OOQKGQEGLVXSVA@isocpp.org Fri Jul 04 17:02:46 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wi0-f197.google.com ([209.85.212.197]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1X350g-000883-7p for gclcip-std-proposals@m.gmane.org; Fri, 04 Jul 2014 17:02:46 +0200 Original-Received: by mail-wi0-f197.google.com with SMTP id n3sf2373104wiv.0 for ; Fri, 04 Jul 2014 08:02:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:subject:message-id:mail-followup-to :references:mime-version:in-reply-to:user-agent:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe:content-type:content-disposition; bh=iwvXUMI22C/CCvSVKovWANHXuQfNVqKvOKrzEsitIFg=; b=eVZEf/toQc4drKadxrYPlTrd8YK/lLct4NdOoMMm5VUOrS/utth2Fq96iX8BltFsqR tS3TK6aYvJNnDBTYn4HPQ8Q8/a+AHRMWiD0AUjIGpZbuzjdRKVluXfjqz2XyY+fFBssj Dsa1LmBOP1gKkYGUKgsWR84O1MFwSDq8FAQDWCbnyy711IXZBu/fYnUemKI81bj7F/pD tMpfOQtAi9K3vI8v6gZ1CSy+vhU+5UxtjSbP4fd82Mc6BToHDCi5VbDEaQFkyNKP0Thm rneJM6c9PdW1RJC5vT3d3dxFmpUCSMB+ZDmTGqD2HUeiQ+4UxqqKlKrBu0aDkHtXpn+R X-Gm-Message-State: ALoCoQmvsjLGfjrz9qfKGxlgb3uQG88EXcOJ4qR8SEWyx4wXNnG+w8H/oVqj3tuKzCjnB9TN0i0E X-Received: by 10.112.89.168 with SMTP id bp8mr179167lbb.21.1404486165898; Fri, 04 Jul 2014 08:02:45 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.183.172 with SMTP id en12ls81102lac.76.gmail; Fri, 04 Jul 2014 08:02:44 -0700 (PDT) X-Received: by 10.112.13.137 with SMTP id h9mr8344106lbc.33.1404486164911; Fri, 04 Jul 2014 08:02:44 -0700 (PDT) Original-Received: from bacon.lysator.liu.se (bacon.lysator.liu.se. [2001:6b0:17:f0a0::ce]) by mx.google.com with ESMTPS id q14si27065000lal.76.2014.07.04.08.02.44 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 04 Jul 2014 08:02:44 -0700 (PDT) Received-SPF: none (google.com: magfr@bacon.lysator.liu.se does not designate permitted sender hosts) client-ip=2001:6b0:17:f0a0::ce; Original-Received: from bacon.lysator.liu.se (localhost [127.0.0.1]) by bacon.lysator.liu.se (8.14.5+Sun/8.14.5) with ESMTP id s64F2ilb003836 for ; Fri, 4 Jul 2014 17:02:44 +0200 (MEST) Original-Received: (from magfr@localhost) by bacon.lysator.liu.se (8.14.5+Sun/8.14.5/Submit) id s64F2hc7003835 for std-proposals@isocpp.org; Fri, 4 Jul 2014 17:02:43 +0200 (MEST) Mail-Followup-To: std-proposals@isocpp.org In-Reply-To: User-Agent: Mutt/1.5.12-2006-07-14 X-Original-Sender: magfr@lysator.liu.se X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: magfr@bacon.lysator.liu.se does not designate permitted sender hosts) smtp.mail=magfr@bacon.lysator.liu.se Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Content-Disposition: inline Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:11646 Archived-At: On Fri, Jul 04, 2014 at 07:52:03AM -0700, Andrzej Krzemie??ski wrote: > Hi, > I wanted to share here my reflections about how C++ could support contract > programming (things like preconditions). One alternative to the > "traditional" design-by-contract is considered. > > I share the html document on GitHub, so there is an inconvenience involved: > you have to see it in raw form, download and then reopen in the browser. > Here's the link: > > https://github.com/akrzemi1/contract/blob/master/contract.html I have not read this paper throughly but I have two big questions: How does this relate to N3997? Why do you stuff properties in this paper instead of in a separate proposal? /MF -- --- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposals/. .