220 16057 article Path: news.gmane.org!not-for-mail From: Ville Voutilainen Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: const T* operator->() const Date: Thu, 5 Feb 2015 23:35:23 +0200 Lines: 32 Approved: news@gmane.org Message-ID: References: <56a7727d-9839-45c9-be72-a6ecb61f38c9@isocpp.org> <467ea911-87a1-483d-8680-22429bfd7c34@isocpp.org> <71a46a6b-d0b5-4af7-b89c-fd67b505d22f@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1423172126 28823 80.91.229.3 (5 Feb 2015 21:35:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 5 Feb 2015 21:35:26 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC5JHI7A7ALRBHGEZ6TAKGQEVUKDXBY@isocpp.org Thu Feb 05 22:35:26 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ob0-f199.google.com ([209.85.214.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YJU57-0006C0-Ue for gclcip-std-proposals@m.gmane.org; Thu, 05 Feb 2015 22:35:26 +0100 Original-Received: by mail-ob0-f199.google.com with SMTP id nt9sf63316917obb.2 for ; Thu, 05 Feb 2015 13:35:25 -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:content-type:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=5eFz2aemA7t7kI51mgVhLcGdNctSzsG+U32sTbpBPTY=; b=F0VQKstiun4vtDSejbB1tUz8FIlM45ZRY8ZthXS0s8Xi7hP3F0b4gN0RIGnRfNmP3R HEznhWc8cmRrah31RHUoyulEP86pJfw9dANw6Qr2VenCiNKR5MLonpImYF6IP+Zy4zfJ 7WERXWwI9PW/K+66+uDgghQwaQMHqTsj0oFdUuA6HIOeuBeK/jEoM7oec9e8Tu3HrR4b RPECwiyKx7DYsYPmY4hz8Dro8fPRH97bAfmSK3Q5fqJu6RPnDrQb5iMbqjnYR5Se9dN0 LPM/7o6huNv51h2KGkQR70eztxQO6JhjK4njDOhrl8G4slc2hKrNkhK2zctC+qi4Frdj AuFA== X-Gm-Message-State: ALoCoQmctFFl+nQnYb68mscAh9vPJ/SFhGyFLjm0kUqyVG8MSlLbdKPO2ZfsgxccsFAaBdzKgrml X-Received: by 10.182.143.34 with SMTP id sb2mr220819obb.27.1423172125046; Thu, 05 Feb 2015 13:35:25 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.107.152.134 with SMTP id a128ls601491ioe.20.gmail; Thu, 05 Feb 2015 13:35:24 -0800 (PST) X-Received: by 10.50.171.170 with SMTP id av10mr713181igc.28.1423172124431; Thu, 05 Feb 2015 13:35:24 -0800 (PST) Original-Received: from mail-ig0-x22c.google.com (mail-ig0-x22c.google.com. [2607:f8b0:4001:c05::22c]) by mx.google.com with ESMTPS id y8si332742icx.39.2015.02.05.13.35.24 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Feb 2015 13:35:24 -0800 (PST) Received-SPF: pass (google.com: domain of ville.voutilainen@gmail.com designates 2607:f8b0:4001:c05::22c as permitted sender) client-ip=2607:f8b0:4001:c05::22c; Original-Received: by mail-ig0-f172.google.com with SMTP id l13so1524035iga.5 for ; Thu, 05 Feb 2015 13:35:23 -0800 (PST) X-Received: by 10.50.118.97 with SMTP id kl1mr658400igb.23.1423172123759; Thu, 05 Feb 2015 13:35:23 -0800 (PST) Original-Received: by 10.36.0.4 with HTTP; Thu, 5 Feb 2015 13:35:23 -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:f8b0:4001:c05::22c 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:16057 Archived-At: On 5 February 2015 at 23:23, mobi phil wrote: > Well... ideas are often coming from mistakes that are conceptually not > necessarily mistakes in a certain context. > The "->" operator is an unary operator, though intuitively myself I tend > often to think it as as a binary operator, with second parameter what is on > the right side. Definitively the language would be richer if there would be > a mechanism to have overload also based on the right hand. Obviously one > would need to support stuff like: > > (this is rather meta-C++) > template > Widget::operator->( RightHandType ) { > return (what is intended).RightHandType; > } > > but this is just yet another mental-*turbation, far from ever taken > seriously. > > Definitively it would help to implement what I thought for COW. Such an operator-> is certainly something that I'd hope to ultimately see as an extension of the current reflection work. -- --- 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/. .