220 2861 article Path: news.gmane.org!not-for-mail From: Tony V E Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: std::optional -- request for feedback on the wording Date: Fri, 15 Feb 2013 17:19:35 -0500 Lines: 61 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1360966777 4505 80.91.229.3 (15 Feb 2013 22:19:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 15 Feb 2013 22:19:37 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCUZ5QWKNQIPT2H2RACRUBBTFXM4K@isocpp.org Fri Feb 15 23:19:59 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ea0-f199.google.com ([209.85.215.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1U6TdO-0008Kh-8S for gclcip-std-proposals@m.gmane.org; Fri, 15 Feb 2013 23:19:58 +0100 Original-Received: by mail-ea0-f199.google.com with SMTP id j10sf4302839eaa.10 for ; Fri, 15 Feb 2013 14:19:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:x-beenthere:x-received:x-received:received-spf :mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:x-original-sender:x-original-authentication-results :reply-to:precedence:mailing-list:list-id:x-google-group-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe :content-type:content-transfer-encoding; bh=Kkd13wMF2d2QANNM78zU8PceUR1ejH7fV+ZVOceCP24=; b=sXjP5rANqo+qZN+6O0Jzop2+oZ3Yer7T3wJKhia6dv9rxpRa9KS8pWEyaIJqhPOZ+M Mtpxhrsen3z7/cerh/l5XOHzfRjel2Ut+YaipJqJumePySiht34Fm9OCOWaHeGOpRf/a aTaWfTExXwTivIQUg+ztnzzpHJJKO8Tm9NXqI4tBBqOQhUg08gpJ19OtoVRvosuNftWh 8t/bAPsTR++xb4OG3PN9/659VfDrxZ/A3icvmle5lBmSz1bTDC840+yQvzI9fn76ZLiW MpFljboB2FRW4s5RKPXWTTk X-Received: by 10.112.40.6 with SMTP id t6mr728322lbk.0.1360966778355; Fri, 15 Feb 2013 14:19:38 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.125.48 with SMTP id mn16ls20650lab.91.gmail; Fri, 15 Feb 2013 14:19:36 -0800 (PST) X-Received: by 10.112.17.166 with SMTP id p6mr2706123lbd.41.1360966776377; Fri, 15 Feb 2013 14:19:36 -0800 (PST) X-Received: by 10.112.17.166 with SMTP id p6mr2706122lbd.41.1360966776358; Fri, 15 Feb 2013 14:19:36 -0800 (PST) Original-Received: from mail-la0-x236.google.com ([2a00:1450:4010:c03::236]) by mx.google.com with ESMTPS id tu4si19968045lab.39.2013.02.15.14.19.36 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 15 Feb 2013 14:19:36 -0800 (PST) Received-SPF: pass (google.com: domain of tvaneerd@gmail.com designates 2a00:1450:4010:c03::236 as permitted sender) client-ip=2a00:1450:4010:c03::236; Original-Received: by mail-la0-f54.google.com with SMTP id gw10so3837504lab.41 for ; Fri, 15 Feb 2013 14:19:36 -0800 (PST) X-Received: by 10.112.100.199 with SMTP id fa7mr2700867lbb.28.1360966775960; Fri, 15 Feb 2013 14:19:35 -0800 (PST) Original-Received: by 10.112.14.75 with HTTP; Fri, 15 Feb 2013 14:19:35 -0800 (PST) In-Reply-To: X-Original-Sender: tvaneerd@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of tvaneerd@gmail.com designates 2a00:1450:4010:c03::236 as permitted sender) smtp.mail=tvaneerd@gmail.com; dkim=pass header.i=@gmail.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:2861 Archived-At: On Fri, Feb 15, 2013 at 8:46 AM, Andrzej Krzemie=F1ski = wrote: > Hi everyone, > We have updated the proposal based on recent feedback. I enclose the late= st > draft. > We would appreciate your feedback, especially on the standardese. > > Regards, > &rzej > > -- > Is this Revision 4? (or have these all been revisions of Revision 3, and it doesn't really become Revision 3 until presented to committee?) ------- optional om{1}; // om is engaged; its contained value is = 1 optional on =3D om; // on is engaged; its contained value i= s 1 om =3D 2; // om is engaged; its contained value i= s 2 assert (on !=3D om); // on still contains 3. They are not po= inters on still contains 1 not 3 ------- *ol =3D 9; // the object contained in ol becomes 9 assert(*ol =3D=3D 9); I'd prefer // the *value* contained in ol becomes 9 as you talk about contained value everywhere else, and it keeps it conceptual, not implementation. ------- only a basic exception sagety guarantee safety ------- --=20 ---=20 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 e= mail 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-proposa= ls/?hl=3Den. .