220 8336 article Path: news.gmane.org!not-for-mail From: Ville Voutilainen Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Proposal: Default swap operation Date: Wed, 1 Jan 2014 21:53:18 +0200 Lines: 24 Approved: news@gmane.org Message-ID: References: <-414611097405781448@gmail297201516> <52C456C5.8000407@gmail.com> <1429572.pH5kxD60ME@tjmaciei-mobl2> 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 1388605994 13681 80.91.229.3 (1 Jan 2014 19:53:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 1 Jan 2014 19:53:14 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC5JHI7A7ALRBLXESGLAKGQETWQQTJI@isocpp.org Wed Jan 01 20:53:21 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-oa0-f71.google.com ([209.85.219.71]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VyRqy-0003pO-Fz for gclcip-std-proposals@m.gmane.org; Wed, 01 Jan 2014 20:53:20 +0100 Original-Received: by mail-oa0-f71.google.com with SMTP id i4sf68490436oah.6 for ; Wed, 01 Jan 2014 11:53:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state: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:list-post:list-help:list-archive:list-subscribe :list-unsubscribe:content-type; bh=lY9l/TVt+F0rDPjP3mXTHP6nzCcOzJgW9mpbqA/diNg=; b=Ta7WgLybue0fCH7C59wis1jRmSVCsHXQ1fSLnXZxNxSvYW2g4PGMw5Ewe+rF2YJjRW ICdLJy4Mq77AFaGZWyxQTrUcXs+ky0OSsG3x8IChrjWNvbpoex6fpktNOpKBbD+GZBiW JGOSvZVjd4QnJqpY3iZOScWu7vNJKXHgR3M5lKOOxQkY0LaGSvXqX68vbXW1ehjpMJCb atbS/q+bmEvAWV0/WrN4sccA4GGAFroH77GanKbI4J2gActNUHruoQezguMYEAvgwmS7 V7WBNNwVqT3zzKO7dOWbxBQMqSKThh+t8vAQ2E2Bv5XlQ+ItO8uhkdPusUXpktMU2KHL d/Ig== X-Gm-Message-State: ALoCoQmewGoqHVwLtW4OroqcUCl4TbX47JM0bcaGIhTSrcc2imNLNrUQ2Lebuahw4azdUIQ0SNei X-Received: by 10.42.210.68 with SMTP id gj4mr27770296icb.1.1388605999355; Wed, 01 Jan 2014 11:53:19 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.49.131.70 with SMTP id ok6ls3702517qeb.86.gmail; Wed, 01 Jan 2014 11:53:18 -0800 (PST) X-Received: by 10.224.129.200 with SMTP id p8mr27661147qas.29.1388605998837; Wed, 01 Jan 2014 11:53:18 -0800 (PST) Original-Received: from mail-qa0-x232.google.com (mail-qa0-x232.google.com [2607:f8b0:400d:c00::232]) by mx.google.com with ESMTPS id h17si51435990qej.41.2014.01.01.11.53.18 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 01 Jan 2014 11:53:18 -0800 (PST) Received-SPF: pass (google.com: domain of ville.voutilainen@gmail.com designates 2607:f8b0:400d:c00::232 as permitted sender) client-ip=2607:f8b0:400d:c00::232; Original-Received: by mail-qa0-f50.google.com with SMTP id i13so12721308qae.9 for ; Wed, 01 Jan 2014 11:53:18 -0800 (PST) X-Received: by 10.224.127.131 with SMTP id g3mr101565812qas.98.1388605998728; Wed, 01 Jan 2014 11:53:18 -0800 (PST) Original-Received: by 10.224.104.139 with HTTP; Wed, 1 Jan 2014 11:53:18 -0800 (PST) In-Reply-To: <1429572.pH5kxD60ME@tjmaciei-mobl2> X-Original-Sender: ville.voutilainen@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of ville.voutilainen@gmail.com designates 2607:f8b0:400d:c00::232 as permitted sender) smtp.mail=ville.voutilainen@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:8336 Archived-At: On 1 January 2014 21:24, Thiago Macieira wrote: > On quarta-feira, 1 de janeiro de 2014 12:56:21, Matthew Woehlke wrote: >> > Huh? I'm pretty sure this is already allowed. >> >> Hmm... gcc at least seems to allow it :-D. I guess I assumed it wasn't, >> as I cant recall that any of the 'what's new in C++11' I've read >> mentioned it... > > It is, but note that it doesn't emit a symbol for other translation units to > see. The program is ill-defined if any translation unit trying to destroy Foo > doesn't see the = default. I don't see any wording in the standard that would require other TUs to see the =default to use the function. -- --- 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/. .