220 31248 article Path: news.gmane.org!.POSTED!not-for-mail From: Giovanni Piero Deretta Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: P0534: call/cc, type safety and exceptions Date: Wed, 1 Mar 2017 12:14:55 +0000 Lines: 106 Approved: news@gmane.org Message-ID: References: <3a57e294-7254-4358-828d-c9f7757f5295@isocpp.org> <9deccbda-26ca-4ad8-a579-1feb674676a6@isocpp.org> <69ee11fb-5cd0-4e1e-8c61-2792fe062003@isocpp.org> <7209130d-c572-4097-94a7-d92dcef0f354@isocpp.org> <0705083b-2e6f-46e9-b624-26ca0b9894ea@isocpp.org> <7bad6d77-7385-462d-9d10-4774bf97ae88@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a11479308be05580549aa4218 X-Trace: blaine.gmane.org 1488370503 8298 195.159.176.226 (1 Mar 2017 12:15:03 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 1 Mar 2017 12:15:03 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDEP3I7TGEIMD5W2YUCRUBHPGG7PA@isocpp.org Wed Mar 01 13:14:58 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-io0-f197.google.com ([209.85.223.197]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cj39h-00015j-0K for gclcip-std-proposals@m.gmane.org; Wed, 01 Mar 2017 13:14:53 +0100 Original-Received: by mail-io0-f197.google.com with SMTP id z13sf10529101iof.7 for ; Wed, 01 Mar 2017 04:14:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=mime-version: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-spam-checked-in-group:list-post :list-help:list-archive:list-subscribe:list-unsubscribe; bh=gZgB7Dyv9G0YXrvgjCvaNPIvxFMZS7gxaDF67tHKLvY=; b=2ROC/8c0AWykAXpMvK0vkXOthN7w9gBVzbxduT4c4rbVAYiIM4PIDWlKvyXl5CgZRT 9ULifig/gfPbofoM6yavnIz6u42mlCGqv7lxx3RzJlp+FOVg9R2Oyk1tT5hvQ19KNoCY jLt/aafHpeKeQz1OspUWJ9qDqe5VwTcub6swD0sMdg18cARJmLdCNBPtbB6ZXuY/Xrhx Up5W4ZJCof887Z1QLqSQnrqfNhXEeo2hPiXRYsKCEpCb8pkHsSmduIPdV1Qxk7Wf2u21 Jg1qW+W/yKPrv7n1Gs+URu4SV4cn2RyCPcgMk6OGO7bQL04K1XgApKZigwK5xPUq2HxP iIIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version: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-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=gZgB7Dyv9G0YXrvgjCvaNPIvxFMZS7gxaDF67tHKLvY=; b=SysPut1ZcboX2pXkCKAxlG1Xy78CLBAwBeDg+HgMGEgCg2YZZoeM+fJgCCqXAYL9dr W5sOXhNSRjWT9UP+SFe0/Leg8BuqHqw7gZCEaiO5lqdo8TnZDyalHH0w3g8sYEqKH0vS UrAOFf7SQ4vDTuTSq0+qp+W800Z4cxk3dDb0EtZR7vqGaV9U449jYZspGCprgCwRt+j+ vJ4XgFB/xGufHlBGN62YOPXqxa3uNSNPu2BLgZbOtMAo5pYCLQtcE/dZOyRocuo/52Kk 9uQmPucU+nD+/Aoby40oyfIU4IeYPDGzvw5Ow4dTINppcSLvAmAFU3ClCoHs1m7iGxnT qJTQ== X-Gm-Message-State: AMke39lIC7p8fb3ErHDC/WRBEcx8uyJpze10pDM+flLZunGXMsCeeYEDjshE5XpFCsJf3w== X-Received: by 10.36.57.65 with SMTP id l62mr917826ita.9.1488370498843; Wed, 01 Mar 2017 04:14:58 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.36.50.71 with SMTP id j68ls3670827ita.12.canary-gmail; Wed, 01 Mar 2017 04:14:57 -0800 (PST) X-Received: by 10.107.59.205 with SMTP id i196mr7962108ioa.114.1488370497064; Wed, 01 Mar 2017 04:14:57 -0800 (PST) Original-Received: from mail-it0-x233.google.com (mail-it0-x233.google.com. [2607:f8b0:4001:c0b::233]) by mx.google.com with ESMTPS id d22si16710190itb.121.2017.03.01.04.14.57 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Mar 2017 04:14:57 -0800 (PST) Received-SPF: pass (google.com: domain of gpderetta@gmail.com designates 2607:f8b0:4001:c0b::233 as permitted sender) client-ip=2607:f8b0:4001:c0b::233; Original-Received: by mail-it0-x233.google.com with SMTP id h10so95480915ith.1 for ; Wed, 01 Mar 2017 04:14:57 -0800 (PST) X-Received: by 10.36.59.7 with SMTP id c7mr4053067ita.43.1488370496558; Wed, 01 Mar 2017 04:14:56 -0800 (PST) Original-Received: by 10.79.33.67 with HTTP; Wed, 1 Mar 2017 04:14:55 -0800 (PST) Original-Received: by 10.79.33.67 with HTTP; Wed, 1 Mar 2017 04:14:55 -0800 (PST) In-Reply-To: X-Original-Sender: gpderetta@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of gpderetta@gmail.com designates 2607:f8b0:4001:c0b::233 as permitted sender) smtp.mailfrom=gpderetta@gmail.com; dmarc=pass (p=NONE sp=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:31248 Archived-At: --001a11479308be05580549aa4218 Content-Type: text/plain; charset=UTF-8 On 1 Mar 2017 12:08 pm, "'Oleg Ageev' via ISO C++ Standard - Future Proposals" wrote: On Wednesday, March 1, 2017 at 3:03:17 PM UTC+3, Giovanni Piero Deretta wrote: > > you have the same issue if the lambda moves the continuation to a local > variable, takes it by value instead of reference, or pass it to another > function by value, etc.... > continuation is movable only object, how it can be taked by value? One does not exclude the other: Continuation x; [](Continuation c) {....} (std::move(x)); //look ma, no copies! -- You received this message because you are subscribed to a topic in the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this topic, visit https://groups.google.com/a/ isocpp.org/d/topic/std-proposals/F-8aMUBPMzc/unsubscribe. To unsubscribe from this group and all its topics, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/ isocpp.org/d/msgid/std-proposals/a880928c-208a-4f30- 8967-bf29fac87bf2%40isocpp.org .. -- 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. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/CAL52Aas%2BLakw%2Bk71%3DP6o5SedAMpmDTk30szNeozayfj71NJJuw%40mail.gmail.com. --001a11479308be05580549aa4218 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On 1 Mar 2017 12:08 pm, "'Oleg Ageev' via ISO C++ St= andard - Future Proposals" <std-proposals@isocpp.org> wrote:


On W= ednesday, March 1, 2017 at 3:03:17 PM UTC+3, Giovanni Piero Deretta wrote:<= blockquote class=3D"gmail_quote" style=3D"margin:0;margin-left:0.8ex;border= -left:1px #ccc solid;padding-left:1ex">
you have the same i= ssue if the lambda moves the continuation to a local variable, takes it by = value instead of reference, or pass it to another function by value, etc...= ..
continuation is movable only object, how= it can be taked by value?
=C2=A0

One does not exclude the = other:
=C2=A0Continuation x;
= [](Continuation c) {....} (std::move(x)); //look ma, no copies!

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