220 7880 article Path: news.gmane.org!not-for-mail From: Ville Voutilainen Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Limited inheritance for classes Date: Wed, 20 Nov 2013 17:02:30 +0200 Lines: 31 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1384959747 14185 80.91.229.3 (20 Nov 2013 15:02:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 20 Nov 2013 15:02:27 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC5JHI7A7ALRBBU6WOKAKGQEF5LRQIY@isocpp.org Wed Nov 20 16:02:33 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pb0-f69.google.com ([209.85.160.69]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Vj9IW-0000qT-OJ for gclcip-std-proposals@m.gmane.org; Wed, 20 Nov 2013 16:02:32 +0100 Original-Received: by mail-pb0-f69.google.com with SMTP id md12sf6049256pbc.4 for ; Wed, 20 Nov 2013 07:02:31 -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:content-transfer-encoding; bh=twd67yR7JVnzsz9Rga/05fYCiHBN5YL9wktr59zB43w=; b=S92cEpdtkfm173vw6ZIiJ/SP0DvjBq+qTs0EUoI+O08zYF9MRP2JxWRl0JzTqfnjL1 7Lm1LyOYbJjjnQoen4UadXt6BXhIaAYEuQDl+ir8s8l5lscTKUm8u3KUQ808zLaPl4Dv 8//X/nFGx8R8lidD+NsvYW33RbNeHlTHVzb1dMsui7MKV+qIYrZfUA7p61/3WvRzq18o zDyfGvkwE3FG3ZSomMWqFQ5/Q4xbkfZDxiZBqwEOgFb7L7UrPdpKlCe9vlvUp6D2ziZ6 O63tMFoGxuuhg25Vc/yEEx2eS0uEpYC8H/PEBFyTTjPKii2HiOh8yvJ9blHG8B4lcT8T qbNA== X-Gm-Message-State: ALoCoQnJR56rINBnApSGfmMxDnLULRg2NeZRATZI8rcFSLnfbzf/I9zNF/lURUREyx4Lp1zLj3Da X-Received: by 10.66.141.46 with SMTP id rl14mr328723pab.44.1384959751434; Wed, 20 Nov 2013 07:02:31 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.49.82.226 with SMTP id l2ls100388qey.33.gmail; Wed, 20 Nov 2013 07:02:30 -0800 (PST) X-Received: by 10.236.120.74 with SMTP id o50mr854550yhh.45.1384959750812; Wed, 20 Nov 2013 07:02:30 -0800 (PST) Original-Received: from mail-qe0-x229.google.com (mail-qe0-x229.google.com [2607:f8b0:400d:c02::229]) by mx.google.com with ESMTPS id ko6si8062328qeb.47.2013.11.20.07.02.30 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 20 Nov 2013 07:02:30 -0800 (PST) Received-SPF: pass (google.com: domain of ville.voutilainen@gmail.com designates 2607:f8b0:400d:c02::229 as permitted sender) client-ip=2607:f8b0:400d:c02::229; Original-Received: by mail-qe0-f41.google.com with SMTP id x7so6307583qeu.0 for ; Wed, 20 Nov 2013 07:02:30 -0800 (PST) X-Received: by 10.49.17.232 with SMTP id r8mr2169645qed.74.1384959750709; Wed, 20 Nov 2013 07:02:30 -0800 (PST) Original-Received: by 10.224.68.3 with HTTP; Wed, 20 Nov 2013 07:02:30 -0800 (PST) In-Reply-To: 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:c02::229 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:7880 Archived-At: On 20 November 2013 16:52, =E4=CD=C9=D4=D2=C9=CA =EC=C5=CF=CE=D4=D8=C5=D7 <= dm.leontiev7@gmail.com> wrote: > I want B to override function. And I want A to override function. I want = B > to not no override function A already overrided. > > The problem is B overrides function() in _both_ parent classes. I want it= to > override only one function() in one parent. So.. when B converts itself to a A* or A&, you want A::function to be used,= and when B converts itself to an EventHandler* or EventHandler&, you want B::function to be used? I fail to see how such things are common enough to make a language change to support it. --=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/. .