220 11791 article Path: news.gmane.org!not-for-mail From: David Krauss Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: N4078: Rvalue reference overloads for value() method returns object by value Date: Thu, 10 Jul 2014 14:33:00 +0800 Lines: 68 Approved: news@gmane.org Message-ID: References: <4DA018C3-2327-4F55-B7F8-7988EC7B789A@gmail.com> <1a858a77-310b-4591-aaf5-960c40d9f5fc@isocpp.org> <66AF41C1-CB37-4311-98EA-D47DBC6068DC@gmail.com> <3EF9F5C2-EF9D-4DC5-9F53-82CA1155D4DF@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Content-Type: multipart/alternative; boundary="Apple-Mail=_031FECB8-89A6-4AF4-96C3-ED0075F4423F" X-Trace: ger.gmane.org 1404973997 2107 80.91.229.3 (10 Jul 2014 06:33:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 10 Jul 2014 06:33:17 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCW25A7E3QCRBIPH7COQKGQEQP47ZFY@isocpp.org Thu Jul 10 08:33:10 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pd0-f199.google.com ([209.85.192.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1X57ul-00033J-PO for gclcip-std-proposals@m.gmane.org; Thu, 10 Jul 2014 08:33:08 +0200 Original-Received: by mail-pd0-f199.google.com with SMTP id r10sf53176293pdi.10 for ; Wed, 09 Jul 2014 23:33:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:message-id:mime-version:subject:date :references:to:in-reply-to: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; bh=J41gvSPZ9MlSNBbDlKJfzU/1Q+WFwBPWXHHiswdoTTM=; b=Yi1+05IIi0jE0o2curUg5c/RekHfvmPUL/BKYqdCMLKKavHOSJ7qJQvbzEFnVxNWcu jtqktjYrY7miHUknm1xo0G6RzGI4lpXCvsuPJAu7QaKgZuozN3JMGkKdHDVVCXVepruA UrrtzFQVMBB1tC+tv0U2Shtdlh6Nqr0ekBricmbvVQy2x/9rf+tMTwcv+kDdcm/mkEer paPcJPdkssQVjKAQ5I2hFyvGyZG+XC2S4QzR/v6ahgJaOkMK9HFN9A/OLZAnC+P1Upx4 jkWetP3V0bXYZQDgUn4qfOX/tpA2g2hjIu2gmonsXClXKA5hv4aZ5m0uG6YLVtUXJ/Wh +8Ow== X-Gm-Message-State: ALoCoQlF5VAI/iyEYTQS0aeMfkBrO7O7rPG0wqWiVgYVK24+dtDAjC+0WZ+pWI0ynlpc93tKwzhz X-Received: by 10.66.129.139 with SMTP id nw11mr5423642pab.35.1404973986403; Wed, 09 Jul 2014 23:33:06 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.50.79.135 with SMTP id j7ls1339254igx.6.canary; Wed, 09 Jul 2014 23:33:05 -0700 (PDT) X-Received: by 10.42.107.75 with SMTP id c11mr2327006icp.60.1404973985574; Wed, 09 Jul 2014 23:33:05 -0700 (PDT) Original-Received: from mail-ie0-x22f.google.com (mail-ie0-x22f.google.com [2607:f8b0:4001:c03::22f]) by mx.google.com with ESMTPS id p8si38562048icv.22.2014.07.09.23.33.05 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 23:33:05 -0700 (PDT) Received-SPF: pass (google.com: domain of potswa@gmail.com designates 2607:f8b0:4001:c03::22f as permitted sender) client-ip=2607:f8b0:4001:c03::22f; Original-Received: by mail-ie0-f175.google.com with SMTP id tp5so1320244ieb.20 for ; Wed, 09 Jul 2014 23:33:05 -0700 (PDT) X-Received: by 10.43.79.71 with SMTP id zp7mr51706072icb.38.1404973985479; Wed, 09 Jul 2014 23:33:05 -0700 (PDT) Original-Received: from [172.20.10.2] ([121.54.54.63]) by mx.google.com with ESMTPSA id ro10sm2499704igb.18.2014.07.09.23.33.04 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 23:33:05 -0700 (PDT) In-Reply-To: X-Mailer: Apple Mail (2.1878.6) X-Original-Sender: potswa@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of potswa@gmail.com designates 2607:f8b0:4001:c03::22f as permitted sender) smtp.mail=potswa@gmail.com; dkim=pass header.i=@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=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:11791 Archived-At: --Apple-Mail=_031FECB8-89A6-4AF4-96C3-ED0075F4423F Content-Type: text/plain; charset=ISO-8859-1 On 2014-07-10, at 2:27 PM, Ville Voutilainen wrote: > On 10 July 2014 09:22, David Krauss wrote: >> >> Which part? Name three functions that return an rvalue reference. There's >> move(), forward(), and ??? . > > get() from a pair rvalue, get() from a tuple rvalue, get() from an array rvalue. Sounds like a defect. Any more I should know about? This is interesting. It's interesting that the standard library provides these quiet moves, without a corresponding value() function to accept an rvalue reference and assume ownership. -- --- 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/. --Apple-Mail=_031FECB8-89A6-4AF4-96C3-ED0075F4423F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1
On 2014&= ndash;07–10, at 2:27 PM, Ville Voutilainen <ville.voutilainen@gmail.com> wrote:
On 10 July= 2014 09:22, David Krauss <potswa@gm= ail.com> wrote:

Which part? Name th= ree functions that return an rvalue reference. There’s
move(), for= ward(), and ??? .

get() from a pair rvalue, get() from = a tuple rvalue, get() from an array rvalue.
Sounds like a defect. Any more I should know about? This is interesti= ng.

It’s interesting that the standard libra= ry provides these quiet moves, without a corresponding value() function to = accept an rvalue reference and assume ownership.

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