220 37347 <2034613.rN3AoRdNao@tjmaciei-mobl1> article Path: news.gmane.org!.POSTED!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: `offsetof` in a macro-less, modular world Date: Thu, 15 Mar 2018 16:12:44 -0700 Lines: 28 Approved: news@gmane.org Message-ID: <2034613.rN3AoRdNao@tjmaciei-mobl1> References: <8745898.m7JMjNCkYK@tjmaciei-mobl1> <08d4fa62-ab7d-f257-5a50-fc77f4d35a24@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: blaine.gmane.org 1521155446 14440 195.159.176.226 (15 Mar 2018 23:10:46 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 15 Mar 2018 23:10:46 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRB373VPKQKGQE5FITL2I@isocpp.org Fri Mar 16 00:10:42 2018 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-qk0-f200.google.com ([209.85.220.200]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ewc1B-0003fu-JF for gclcip-std-proposals@m.gmane.org; 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[2001:19f0:5:2221::1:3]) by mx.google.com with ESMTPS id s42si3597431qts.89.2018.03.15.16.12.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Mar 2018 16:12:46 -0700 (PDT) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 2001:19f0:5:2221::1:3 as permitted sender) client-ip=2001:19f0:5:2221::1:3; Original-Received: from tjmaciei-mobl1.localnet (jfdmzpr05-ext.jf.intel.com [134.134.139.74]) by smtp.macieira.info (Postfix) with ESMTPSA id DCDB5A65F for ; Thu, 15 Mar 2018 16:12:45 -0700 (PDT) In-Reply-To: <08d4fa62-ab7d-f257-5a50-fc77f4d35a24@gmail.com> X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 2001:19f0:5:2221::1:3 as permitted sender) smtp.mailfrom=thiago@macieira.org Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org 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:37347 Archived-At: On Thursday, 15 March 2018 13:53:54 PDT Andrey Semashev wrote: > On 03/15/18 22:41, Thiago Macieira wrote: > > On Thursday, 15 March 2018 10:21:05 PDT Nicolas Lesser wrote: > >> Not that I know of. This was mentioned in passing while discussing P0908, > >> where it was suggested to make it an operator. > > > > I'd bring back the idea of using pointers to members as a complete > > replacement for offsetof. > > P0908 suggested something along these lines and it was rejected. That's not what I meant. I meant not using offsetof at all. All uses of offsetof can be replaced with a pointer to member or pointer to container. -- Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org Software Architect - Intel Open Source Technology Center -- 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/2034613.rN3AoRdNao%40tjmaciei-mobl1. .