220 5301 article Path: news.gmane.org!not-for-mail From: =?ISO-8859-1?Q?Daniel_Kr=FCgler?= Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Extend defition of INVOKE for member pointers to support types convertible to target class. Date: Fri, 5 Jul 2013 20:29:37 +0200 Lines: 23 Approved: news@gmane.org Message-ID: References: <63c352e7-5289-4bfa-9f1a-65cd55478391@isocpp.org> <87a9m1j53t.fsf@euclid.axiomatics.org> <3b278ff7-0487-48db-a1e8-6cf8ff7db5b1@isocpp.org> <87hag9bzmo.fsf@euclid.axiomatics.org> <7955cba4-906f-40b4-ae6d-7ef9dfe59181@isocpp.org> <6259ff1e-c669-4ddd-b3c8-941a3bf122cb@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: ger.gmane.org 1373048978 6458 80.91.229.3 (5 Jul 2013 18:29:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 5 Jul 2013 18:29:38 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCT7RVFA4QORBENB3SHAKGQES2LY6RA@isocpp.org Fri Jul 05 20:29:40 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-la0-f70.google.com ([209.85.215.70]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UvAlH-000333-3I for gclcip-std-proposals@m.gmane.org; Fri, 05 Jul 2013 20:29:39 +0200 Original-Received: by mail-la0-f70.google.com with SMTP id fo12sf3004200lab.1 for ; Fri, 05 Jul 2013 11:29:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-beenthere:mime-version: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; bh=A+fZ+dYQt/pMgRo+Y5jY3ynix0jo1HpHdpGEMnyM5bc=; b=ZQaNPm3yHd4KqOn93iKQMahLpPafhCzkmZenjIpB32ZjmvxWWk34+yhxczFBV6gelZ UrF/2IHPiiWNi4CYPZYEQTd//kmpyi1DmkVdRoW34ii5v99cPdN1e0bXrFyb8+KUwNGt KkjQ6bncWWE8q4Fm2gy/lxGc+B3H51WPmcxMjV8vist8bG0GcRW0fpCOiNrbavbFfdqy IPQtqYY2KIm0fhpayADVuiXXlIMaz+tYLQbcXEtWDNqz91oXt9aBRSz/zWokiiFv9x6d AuhKKspZC8XAET/ZrlwuUiSecThDFUO32SWQmBq4j2F3JJZjbwLhEVMVG3AHSWy5j0pb 81jA== X-Received: by 10.180.187.229 with SMTP id fv5mr1929558wic.6.1373048978523; Fri, 05 Jul 2013 11:29:38 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.180.13.233 with SMTP id k9ls620579wic.53.gmail; Fri, 05 Jul 2013 11:29:37 -0700 (PDT) X-Received: by 10.180.39.236 with SMTP id s12mr24137696wik.14.1373048977259; Fri, 05 Jul 2013 11:29:37 -0700 (PDT) Original-Received: from mail-wi0-x231.google.com (mail-wi0-x231.google.com [2a00:1450:400c:c05::231]) by mx.google.com with ESMTPS id uj1si3443352wjc.41.2013.07.05.11.29.37 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Jul 2013 11:29:37 -0700 (PDT) Received-SPF: pass (google.com: domain of daniel.kruegler@gmail.com designates 2a00:1450:400c:c05::231 as permitted sender) client-ip=2a00:1450:400c:c05::231; Original-Received: by mail-wi0-f177.google.com with SMTP id ey16so2392669wid.4 for ; Fri, 05 Jul 2013 11:29:37 -0700 (PDT) X-Received: by 10.194.22.1 with SMTP id z1mr6972951wje.14.1373048977171; Fri, 05 Jul 2013 11:29:37 -0700 (PDT) Original-Received: by 10.216.82.66 with HTTP; Fri, 5 Jul 2013 11:29:37 -0700 (PDT) In-Reply-To: <6259ff1e-c669-4ddd-b3c8-941a3bf122cb@isocpp.org> X-Original-Sender: daniel.kruegler@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of daniel.kruegler@gmail.com designates 2a00:1450:400c:c05::231 as permitted sender) smtp.mail=daniel.kruegler@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:5301 Archived-At: 2013/7/5 Jonathan Wakely : > I'd like to see some more convincing motivation for this change. > std::reference_wrapper is a good motivating case, but I'm less sure about > boost::reference_wrapper ... do you really need another reference_wrapper if > you have a C++11 implementation? (I'm aware that the boost one allows > incomplete types.) Btw.: Peter Dimov recently asked on the library reflector whether std::reference_wrapper shouldn't give up the special member type protocol to also allow for incomplete types. - Daniel -- --- 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/. .