220 4694 article Path: news.gmane.org!not-for-mail From: Lawrence Crowl Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Changing lambda scope Date: Tue, 28 May 2013 17:27:06 -0700 Lines: 32 Approved: news@gmane.org Message-ID: References: <90375ba5-8005-47da-9e84-eee151d0ba0a@isocpp.org> <2e120ca5-740b-4301-8a32-8ac5035fa108@isocpp.org> <0df9d0d8-a752-4841-ba02-54780590f722@isocpp.org> <87d2sd5k77.fsf@euclid.axiomatics.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 1369787229 7184 80.91.229.3 (29 May 2013 00:27:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 May 2013 00:27:09 +0000 (UTC) Cc: gdr@axiomatics.org To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCY3D77DYUDBBXEWSWGQKGQESDYJ2OA@isocpp.org Wed May 29 02:27:10 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-vc0-f197.google.com ([209.85.220.197]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UhUEQ-0001Si-22 for gclcip-std-proposals@m.gmane.org; Wed, 29 May 2013 02:27:10 +0200 Original-Received: by mail-vc0-f197.google.com with SMTP id m17sf10625413vca.8 for ; Tue, 28 May 2013 17:27:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlers.com; s=googlers; h=x-beenthere:mime-version:in-reply-to:references:date:message-id :subject:from:to:cc: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=5GVgpNZ3YMSaobm9XSh3YLa6b1AHYeG17xjWIs37LK8=; b=BBEgj31bo/m0TLkYW06xKySwcTiFrn935Wv8XRSJXOfP2igOhX0lxGOOUKQIkvfo2V tMmVCToMkqjbc6q8tUJJcuxdef2q6jg7ia8fRka8RZ6wR4tENi3sLgjazitw9LQkV/uk /hLBwVGao4Bl/Fx21gbGvmVbMnkgr0srBnZz8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-beenthere:mime-version:in-reply-to:references:date:message-id :subject:from:to:cc:x-gm-message-state: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=5GVgpNZ3YMSaobm9XSh3YLa6b1AHYeG17xjWIs37LK8=; b=Veu9MWojvkeuBXaergqQWBNAnF7j1A8h3SXDOUB7XdqS1lJIxuvaeK7L7+Dv8Xsjxp xHQ7C/6LI0v2mzOAe+SOw2w100pF8nltV3AmjvpI+XhyMR57mn5G1LvjpOYqLYeDn2jU S2G8f0ohmBXfCDCENAh6WmuCytijOIWxUHQ9S2txD/djZCh+KNv0Y36yCedhiv7wbYmq 6ro70UgAxxfYs7K5r20iR6G6kE6STd8E/XBVlydeNVVUpZuv4Sl7VqNxafwfmuDSCpMu IrcQ6adzdSOCJ2MDKPEu0+guoj6NM0Fz1i2JgkZzi9qaw29mY/QaMUScC6GiaRXh6Fcu ZRwQ== X-Received: by 10.224.53.198 with SMTP id n6mr478377qag.2.1369787229110; Tue, 28 May 2013 17:27:09 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.49.12.7 with SMTP id u7ls3876799qeb.54.gmail; Tue, 28 May 2013 17:27:07 -0700 (PDT) X-Received: by 10.224.34.198 with SMTP id m6mr789069qad.39.1369787227950; Tue, 28 May 2013 17:27:07 -0700 (PDT) Original-Received: from mail-qe0-f44.google.com (mail-qe0-f44.google.com [209.85.128.44]) by mx.google.com with ESMTPS id w8si28128405qag.68.2013.05.28.17.27.06 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 28 May 2013 17:27:06 -0700 (PDT) Received-SPF: pass (google.com: domain of crowl@google.com designates 209.85.128.44 as permitted sender) client-ip=209.85.128.44; Original-Received: by mail-qe0-f44.google.com with SMTP id 6so4778708qeb.31 for ; Tue, 28 May 2013 17:27:06 -0700 (PDT) X-Received: by 10.224.199.3 with SMTP id eq3mr833979qab.18.1369787226762; Tue, 28 May 2013 17:27:06 -0700 (PDT) Original-Received: by 10.229.150.207 with HTTP; Tue, 28 May 2013 17:27:06 -0700 (PDT) In-Reply-To: X-Gm-Message-State: ALoCoQnczfZ5TnOXH6eArPC5gGBdKCe3rMK4iWoHg0YY/puSYZNjkUDWaY/orgMXrsxTo8/ZbwQeAggMfMm0CpdJJRuCcmlD+JOFl29kg07BaPDhVjqXIBPVDimS6EiLTycIRrPfYVu6ifu+51nWHflKcUyP2KaVJpKLyoccoxzIpPVuLfvTd6uC59EAAApyb+BA7jtwiGuN X-Original-Sender: crowl@googlers.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of crowl@google.com designates 209.85.128.44 as permitted sender) smtp.mail=crowl@google.com; dkim=pass header.i=@googlers.com; dmarc=pass (p=QUARANTINE dis=none) d=googlers.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:4694 Archived-At: On 5/27/13, Zhihao Yuan wrote: > On May 27, 2013 Nicol Bolas wrote: > > The fact that there's nothing a lambda can do which you can't > > do yourself is a strength of C++ lambdas, not a weakness. It > > allows you to swap a lambda for a regular class if the lambda > > gets too complex for the lambda syntax to work. > > I agree lambdas should (must, actually) not go huge. But for the > specific case in the thread, if you replace lambda with a named > class, you can use operators as member functions, but for lambda, > ADL seems to be the only choice. > > Changing the associated namespace may affect the behavior of > existing code, but lambda looks OK since it's unnamed. Should you write the paper, please include example of any existing code that changes behavior. You get bonus points for outlining a code migration plan. -- Lawrence Crowl -- --- 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. 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