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[65.55.116.47]) by mx.google.com with ESMTPS id qm6si14642939oeb.89.2015.10.05.18.37.51 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 05 Oct 2015 18:37:51 -0700 (PDT) Received-SPF: pass (google.com: domain of kaballo86@hotmail.com designates 65.55.116.47 as permitted sender) client-ip=65.55.116.47; Original-Received: from BLU437-SMTP37 ([65.55.116.7]) by BLU004-OMC1S36.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 5 Oct 2015 18:37:50 -0700 X-TMN: [7xIvtn+M2LUfWieu4uuOOgXFU1skjuUo] X-Originating-Email: [kaballo86@hotmail.com] User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 In-Reply-To: X-OriginalArrivalTime: 06 Oct 2015 01:37:49.0921 (UTC) FILETIME=[9C4EDD10:01D0FFD7] X-Original-Sender: kaballo86@hotmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of kaballo86@hotmail.com designates 65.55.116.47 as permitted sender) smtp.mailfrom=kaballo86@hotmail.com; dmarc=pass (p=NONE dis=NONE) header.from=hotmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org 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:21335 Archived-At: On 10/5/2015 10:24 PM, Nicol Bolas wrote: > On Monday, October 5, 2015 at 8:12:59 PM UTC-4, T. C. wrote: > > http://cplusplus.github.io/EWG/ewg-active.html#188 > > > Although LWG might get to it first with decay_copy. > > > So long as the suggested `decay_copy` function works, I see no reason to > make it a language feature. Presumably, it would be implemented like this= : > > | > templateautodecay_copy(constT &t){returnt;} > | This would do wasteful copies from rvalues. If you look at 30.2.6=20 [thread.decaycopy] you'll see it's defined as: template decay_t decay_copy(T&& v) { return std::forward(v); } I guess `auto` would do too. Regards, --=20 Agust=C3=ADn K-ballo Berg=C3=A9.- http://talesofcpp.fusionfenix.com --=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/. .