220 33120 <4f15e79b-fb2d-4609-94e8-e9e7c0115eab@isocpp.org> article Path: news.gmane.org!.POSTED!not-for-mail From: Daemon Snake Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Struture dereference operator as fallback for missing structure reference Date: Wed, 5 Jul 2017 00:41:41 -0700 (PDT) Lines: 60 Approved: news@gmane.org Message-ID: <4f15e79b-fb2d-4609-94e8-e9e7c0115eab@isocpp.org> References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_978_311487368.1499240502012" X-Trace: blaine.gmane.org 1499240508 12178 195.159.176.226 (5 Jul 2017 07:41:48 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 5 Jul 2017 07:41:48 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCX2P6W5SEDBBNVQ6LFAKGQEFFG37QA@isocpp.org Wed Jul 05 09:41:44 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pf0-f198.google.com ([209.85.192.198]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dSewM-0002fY-Pd for gclcip-std-proposals@m.gmane.org; Wed, 05 Jul 2017 09:41:38 +0200 Original-Received: by mail-pf0-f198.google.com with SMTP id c23sf104723984pfe.11 for ; Wed, 05 Jul 2017 00:41:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=5bAqJERpytzC3WQWkexHx9ovhoMsak4Vgsn1unzn5PU=; b=K0dsVT1r8OWLSvxsGRzHUQf5yuoOf/H5TzA0xErI7u+OGOVnr/Gb3h0seD5isL6ep6 1Iogwne9zp8CtDiDlcMAl5cBnL0e5OtMfQ6uPKSAr6nEz78cpw2LkpFeIjpTw4ijnAgn 0Lpgmz8B2PXAR8sA4fIxiYayNucHFeG/eMVImwBNW0olSqjg/qJLLGnuwI4mIOj/aNJT w0gB8iewZR9OrCM1pm61JkUUYpumEL5KmsvTWHMzmhcIEZZy4GkQSe/S1dNuK/YbXMv4 wnLb9ryP9Gx+tL/tYCHxH2RqX5izOxzV9z6Z9Y9JnL0glP1+2yBk9ZDZmifx+Hq2TsyU Ls6A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=5bAqJERpytzC3WQWkexHx9ovhoMsak4Vgsn1unzn5PU=; b=UcwnSyNo9K5a9e7NUADYMCU2uiwBxxJArf0ro8nCMQySsskz0sFttnZ+QVdE6y1t8w ZteTp00YiRjt3ITZSo9c7XxOhUGvAZdEp8r1gKuTDVHe7v73q0POrEHW8uT819stC+/0 SU5ohYgLY91vDutNwTQo17HxWBRcNMJs8IGMOk/0kDTWCBJ23om4Iu641F+/a+nZMKeP shdSW6IrPoHoVfU7cJ69luVE1EwwijG8sl45uEZn8Lr3kT8rsBX3uAUS2IL2iBwiIbtq FWU5EsGiLhtjC4435vcGhiq6OO1BJ8NESqwZOVW71cxVuf5vq6BRqjFHnr2uCuP51g97 AL6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version:x-original-sender:reply-to:precedence :mailing-list:list-id:x-spam-checked-in-group:list-post:list-help :list-archive:list-subscribe:list-unsubscribe; bh=5bAqJERpytzC3WQWkexHx9ovhoMsak4Vgsn1unzn5PU=; b=Ec6wHZI2suUGfMuxU0zxcvPxmOV5i0i1lyWXvClqRU+903XHaMPdKXsQ8vWqtec6Ux uapHKM9GHtwoxwW1wRFU+c0A3uaXCXd0mWnw/9AgJVq8ezBCABjG1jPhZ6RAUyn6CHSd dViBhe1Lhzu2yGdHPZhsLvk4oddh/LsnaXs2BQTMgwRSS9SYtDrKX6GETHk9Sdj+Er5w vAwfOzqffdXOQQWM/r/v542LAzlhxp9MKhfFScWZRBUhViu6eYmapkBeZAJhtolL9gqS cfTCJ5jgejnXUsa2XYfCS7cVBkVrYFDoysUVQCzHM+3eOeEXH3EXc2bDQgJFSQk8fZTJ j1IQ== X-Gm-Message-State: AIVw110UGznURiWB88KX82NOs2TWHzDXEM7bcpv9awmJCA4/Rn0Tt8gW /kpq2oEtukPx3JZe X-Received: by 10.98.155.142 with SMTP id e14mr10218117pfk.17.1499240503852; Wed, 05 Jul 2017 00:41:43 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.107.16.153 with SMTP id 25ls8685984ioq.37.gmail; Wed, 05 Jul 2017 00:41:42 -0700 (PDT) X-Received: by 10.36.26.134 with SMTP id 128mr1171188iti.3.1499240502569; Wed, 05 Jul 2017 00:41:42 -0700 (PDT) In-Reply-To: X-Original-Sender: swac31@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:33120 Archived-At: ------=_Part_978_311487368.1499240502012 Content-Type: multipart/alternative; boundary="----=_Part_979_1743032249.1499240502012" ------=_Part_979_1743032249.1499240502012 Content-Type: text/plain; charset="UTF-8" "1)" Is already the case. struct A { int i; }; struct B { int i; A m; A &operator ->() { return m; } }; "B().i" now or with the fallback would still refer to B's "i"; If the dev mistakes "." with "->" now or with the fallback the compiler wouldn't give him any indications either way. -- 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/4f15e79b-fb2d-4609-94e8-e9e7c0115eab%40isocpp.org. ------=_Part_979_1743032249.1499240502012 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
"1)" Is already the case.

str= uct A { int i; };

struct =C2=A0B {
=C2= =A0 int i;
=C2=A0 A m;
=C2=A0 A &operator ->() {= return m; }
};

"B().i" now or= with the fallback would still refer to B's "i";
If= the dev mistakes "." with "->" now or with the fall= back the compiler wouldn't give him any indications either way.

--
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