220 30786 <5c9e5cc7-584b-8913-78f0-c0f4547dba3e@rrsd.com> article Path: news.gmane.org!.POSTED!not-for-mail From: Robert Ramey Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: safe integrals comparison Date: Mon, 6 Feb 2017 09:40:38 -0800 Lines: 33 Approved: news@gmane.org Message-ID: <5c9e5cc7-584b-8913-78f0-c0f4547dba3e@rrsd.com> References: <66f9bab2-7220-4bf1-afb7-77c5efa1bac3@isocpp.org> <3f13d67f-ee5a-4f73-9bae-7f4f448e1027@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed X-Trace: blaine.gmane.org 1486402848 26614 195.159.176.226 (6 Feb 2017 17:40:48 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 6 Feb 2017 17:40:48 +0000 (UTC) User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDG73K7L6AIRBHXK4LCAKGQEYGFFTWA@isocpp.org Mon Feb 06 18:40:43 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-yb0-f200.google.com ([209.85.213.200]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1canHP-0006fx-Es for gclcip-std-proposals@m.gmane.org; Mon, 06 Feb 2017 18:40:43 +0100 Original-Received: by mail-yb0-f200.google.com with SMTP id j82sf101409293ybg.0 for ; Mon, 06 Feb 2017 09:40:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:x-original-sender:x-original-authentication-results :reply-to:precedence:mailing-list:list-id:x-spam-checked-in-group :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=ALUfRW/sDDmBiefq9xOvOs5On1JtovVYXpzkeuaXLgg=; b=XeMfL73ad+VLDD+LxZIZ29yBE2HrtMEb+XWwEsM7QGRi7t2WxGVYAzVtfTDwuUw9wh OSDVeHMiC6t3yxDPh549zJl09FPwHHxrOq21jePpoTdRNxwyE48TFtnaNVdpOUsnwOOO YVE5AbkDTOj204FewgS1RwK+R2PnMOnJXw86G5MnPMPcVWSYmM/XbFBVB2WIi9Xj6zQg HGqhcXYgorIBIjPPJxgX/8Sxk7AdjE7JPkOK1abwrhaEEIXtzzCokTWEDa66bgzDYCVx 07QftwJLxC0q8TN5G75dO/BmuLDO7PlQKD/7ZuJKxqHHmnRK3lms5a+ANxHynlRznPVg cADQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=ALUfRW/sDDmBiefq9xOvOs5On1JtovVYXpzkeuaXLgg=; b=IYXkw5QWW4zvhYHubT27oSQKTO2BkreJtmbnd7gVRl1L8bjeQ8VARO1NeTsaX8b0Mx W6raQHf7iSOyvQgBqciOiwtccnvpJ8uLMXAUdLIm4HGUWZ05YO61Mxdt8ibbEofrh7+3 IXEas7A1BHbggulHU/T9LLr15U7pdAdGCAijvZs5byo+fl7gYwPNU90Anrc5Va/WBzWv vCEcbiO8n+6ojrNmPj2+Bqkd5iIkimxDLIL570DVUYDbRwrUbzCxuMYdRmlXogXX52in puIcM7yUubDBGxH4MEqdNrTCdF0zER+EqKR7Gi7RWVOSgqZ93j5oNXe4YBLkrz/6g3kQ VbrA== X-Gm-Message-State: AIkVDXI2iv28N28dORWUTv2kU0NFkEE9zy+4u+wIS35OXqreVJsq4SB/x72ijtwU0IGiFQ== X-Received: by 10.129.182.24 with SMTP id u24mr2387204ywh.121.1486402848656; Mon, 06 Feb 2017 09:40:48 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.107.131.34 with SMTP id f34ls3869185iod.36.gmail; Mon, 06 Feb 2017 09:40:46 -0800 (PST) X-Received: by 10.99.97.196 with SMTP id v187mr14803286pgb.175.1486402846624; Mon, 06 Feb 2017 09:40:46 -0800 (PST) Original-Received: from cat.maple.relay.mailchannels.net (cat.maple.relay.mailchannels.net. [23.83.214.31]) by mx.google.com with ESMTPS id s86si1318184pfd.82.2017.02.06.09.40.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Feb 2017 09:40:46 -0800 (PST) Received-SPF: pass (google.com: domain of ramey@rrsd.com designates 23.83.214.31 as permitted sender) client-ip=23.83.214.31; X-Sender-Id: wwwh2|x-authuser|ramey@rrsd.com Original-Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 1104D101D2B for ; Mon, 6 Feb 2017 17:40:45 +0000 (UTC) Original-Received: from clippers.accountservergroup.com (unknown [100.96.6.198]) by relay.mailchannels.net (Postfix) with ESMTPA id 6206B101863 for ; Mon, 6 Feb 2017 17:40:44 +0000 (UTC) X-Sender-Id: wwwh2|x-authuser|ramey@rrsd.com Original-Received: from clippers.accountservergroup.com ([UNAVAILABLE]. [172.20.90.159]) (using TLSv1 with cipher DHE-RSA-AES256-SHA) by 0.0.0.0:2500 (trex/5.7.18); Mon, 06 Feb 2017 17:40:44 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: wwwh2|x-authuser|ramey@rrsd.com X-MailChannels-Auth-Id: wwwh2 X-MC-Loop-Signature: 1486402844538:75409804 X-MC-Ingress-Time: 1486402844538 Original-Received: from ip68-6-126-194.sb.sd.cox.net ([68.6.126.194]:56207 helo=Roberts-Mac-mini.local) by clippers.accountservergroup.com with esmtpsa (TLSv1:DHE-RSA-AES128-SHA:128) (Exim 4.87) (envelope-from ) id 1canHN-0002OC-F8 for std-proposals@isocpp.org; Mon, 06 Feb 2017 09:40:42 -0800 In-Reply-To: <3f13d67f-ee5a-4f73-9bae-7f4f448e1027@isocpp.org> X-AuthUser: ramey@rrsd.com X-Original-Sender: ramey@rrsd.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of ramey@rrsd.com designates 23.83.214.31 as permitted sender) smtp.mailfrom=ramey@rrsd.com 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: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:30786 Archived-At: On 2/6/17 9:30 AM, federico.kircheis@gmail.com wrote: > I've not considered a wrapper, seems like a nice idea, I'll think about it. > > > But before considering it, I think we should provide some basic > functions for comparing values, the wrapper can be built on top of that. > > -- > 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 > . > To view this discussion on the web visit > https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/3f13d67f-ee5a-4f73-9bae-7f4f448e1027%40isocpp.org > . Have you looked at the safe_numerics library. It can be found in the boost library incubator. It is the subject of an article in the forthcoming version of ACCU Overload. A version has been proposed for the C++ standard. And it addresses all known issues related to comparison of integer types. Robert Ramey -- 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. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/5c9e5cc7-584b-8913-78f0-c0f4547dba3e%40rrsd.com. .