220 4835 article Path: news.gmane.org!not-for-mail From: Nevin Liber Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: Proposal: std::sequence Date: Mon, 3 Jun 2013 15:26:12 -0500 Lines: 85 Approved: news@gmane.org Message-ID: References: <4551abbc-43aa-4520-a91a-f8eb25a90588@isocpp.org> <2c8e6079-9c87-425a-93e2-39251df57cd8@isocpp.org> <9f1cace3-0503-4a3c-a8ce-d7546564b3ef@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a11c35e1ef4b45104de45c86d X-Trace: ger.gmane.org 1370291218 4289 80.91.229.3 (3 Jun 2013 20:26:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 3 Jun 2013 20:26:58 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCE35H5S6IDBBDPYWOGQKGQEQQYUIGQ@isocpp.org Mon Jun 03 22:26:59 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-gg0-f198.google.com ([209.85.161.198]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UjbLC-0000xZ-PO for gclcip-std-proposals@m.gmane.org; Mon, 03 Jun 2013 22:26:55 +0200 Original-Received: by mail-gg0-f198.google.com with SMTP id p1sf5079829ggn.5 for ; Mon, 03 Jun 2013 13:26:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-beenthere:mime-version:sender:in-reply-to:references:from:date :message-id:subject: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; bh=Vsxrmyj9UrNthxiJBNXBbr/j6asGZoZqfZSVz6slvQw=; b=LQiWdabMfHF2ooPzO9X0Th0yQqsbFD2cET06/PEavck+74hgbm2clzIGGchb0eJ8Nc ooRuTPpRkxX9mfsWW6wzoz/uXF1JPPUdDIYHvzYcg07UI70tBunX9lqCTcRaxdQqpyIP rSknjvGgPpFGDd8WdGjN7yAvbj1VSt4bd8Akm68S9NeqCi9tr5lFkL3Cl86eBXUJ0tCS dPgL3YtHj91XQi324ovepFdNThsvzQZ6wpRHSO91PLy8GC80dxjW7RhH8LIl4o2jmz1V KbRDTiIPMyVVjjeoEUvgVAPPExt74nXw2bSN9gHV318XUqCFAAiqP31Df+KtPLBYL4eL GGNA== X-Received: by 10.236.142.11 with SMTP id h11mr13648939yhj.55.1370291213804; Mon, 03 Jun 2013 13:26:53 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.49.130.233 with SMTP id oh9ls2320627qeb.5.gmail; Mon, 03 Jun 2013 13:26:52 -0700 (PDT) X-Received: by 10.224.174.138 with SMTP id t10mr20178721qaz.99.1370291212745; Mon, 03 Jun 2013 13:26:52 -0700 (PDT) Original-Received: from mail-qc0-x231.google.com (mail-qc0-x231.google.com [2607:f8b0:400d:c01::231]) by mx.google.com with ESMTPS id w8si45286328qag.48.2013.06.03.13.26.52 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 03 Jun 2013 13:26:52 -0700 (PDT) Received-SPF: pass (google.com: domain of nliber@gmail.com designates 2607:f8b0:400d:c01::231 as permitted sender) client-ip=2607:f8b0:400d:c01::231; Original-Received: by mail-qc0-f177.google.com with SMTP id e1so2429234qcy.36 for ; Mon, 03 Jun 2013 13:26:52 -0700 (PDT) X-Received: by 10.229.171.202 with SMTP id i10mr8139091qcz.33.1370291212429; Mon, 03 Jun 2013 13:26:52 -0700 (PDT) Original-Sender: nliber@gmail.com Original-Received: by 10.49.64.165 with HTTP; Mon, 3 Jun 2013 13:26:12 -0700 (PDT) In-Reply-To: X-Original-Sender: nevin@eviloverlord.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of nliber@gmail.com designates 2607:f8b0:400d:c01::231 as permitted sender) smtp.mail=nliber@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:4835 Archived-At: --001a11c35e1ef4b45104de45c86d Content-Type: text/plain; charset=ISO-8859-1 On 3 June 2013 15:24, Alex B wrote: > > And LLVM and Google have gotten by with types that are equally lightweight >> and shortlived, yet *theirs* are assignable and adjustable in size. Why >> should we use yours instead of theirs (ie: array_ref)? >> > > Yet, in the (unfortunately rejected and thrown to abyss) proposal, there > is no mutable version of the class provided. That makes it at least one > reason to (maybe) reconsider it. > > Personally, I am against allowing assignment. > What about this code: map> m; m[1] = get_array(); Breaking assignment pretty much breaks expectations. -- Nevin ":-)" Liber (847) 691-1404 -- --- 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/?hl=en. --001a11c35e1ef4b45104de45c86d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 3 June 2013 15:24, Alex B <devalexb@gmail.com> wrote:

And LLVM= and Google have gotten by with types that are equally lightweight and shor= tlived, yet theirs are assignable and adjustable in size. Why should= we use yours instead of theirs (ie: array_ref)?

Yet, in the (unfortunately rej= ected and thrown to abyss) proposal, there is no mutable version of the cla= ss provided. That makes it at least one reason to (maybe) reconsider it.

Personally, I am against allowing assignment.


What about this code:

map<int, array_ref<= ;int>> m;

m[1] =3D get_array();

Breaking assignment pretty much breaks expectations.
--
=A0Nevin &qu= ot;:-)" Liber=A0 <mailto:nevin@eviloverlord.com>=A0 (847) 691-1404

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