220 12898 article Path: news.gmane.org!not-for-mail From: Zhihao Yuan Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: unevaluated this Date: Mon, 15 Sep 2014 17:12:35 -0400 Lines: 71 Approved: news@gmane.org Message-ID: References: <009e6218-1e2b-402d-ab1a-e8ebf29f8f77@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="001a1136b2b60f272505032118bc" X-Trace: ger.gmane.org 1410815574 12043 80.91.229.3 (15 Sep 2014 21:12:54 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 15 Sep 2014 21:12:54 +0000 (UTC) To: "std-proposals@isocpp.org" Original-X-From: std-proposals+bncBCSKRWMD4EHBBTNM3WQAKGQEB4NGVRA@isocpp.org Mon Sep 15 23:12:48 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f69.google.com ([209.85.220.69]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XTdZn-0003Y0-Hi for gclcip-std-proposals@m.gmane.org; Mon, 15 Sep 2014 23:12:47 +0200 Original-Received: by mail-pa0-f69.google.com with SMTP id kx10sf36202421pab.4 for ; Mon, 15 Sep 2014 14:12:46 -0700 (PDT) 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:sender: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; bh=jdELWXfNBNtYaCcr0x8nWNO/eXp8E7H3rYAZZj7m6Ho=; b=A5Q9mKOzWSTECXzPtsV6ieVgDcKyoJRkrCy81HagNJE0VepScAoj1vhd84YOpIu8F2 eoAvOAsDdbDDVge3uCc+Pc1I136/GJTLoWOUecBAcXVOBPhctXtmpFfJ/a/qEdF8UtfF /BPzbKtNTJ4mk0WU3SW0I2yUmbkIewJbaKnMcpvK48NeCzUikRbGco6pfy8Vfd325PIK P7tESi46cjE0fwJQI6t9HVHcYZR98SJjTj6HEJLfvuEiEauBo0jUBOceEd1J1LkdWtWP inT38tCOnFANl6+FKgiAWzsvdsdAygraHbvxQpxeXE5KOHfxM70XmdEaFLqWWt9qYPRF qlfA== X-Gm-Message-State: ALoCoQmG4zUu55IIAkxkgyDaVuSTCkk8kGGCfHnBdJIeQmVVfvYlvAYDo1HPBM2RFJgzNJn1o4GV X-Received: by 10.66.156.100 with SMTP id wd4mr16731008pab.31.1410815566413; Mon, 15 Sep 2014 14:12:46 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.96.202 with SMTP id k68ls1766242qge.48.gmail; Mon, 15 Sep 2014 14:12:45 -0700 (PDT) X-Received: by 10.221.23.66 with SMTP id qz2mr26283314vcb.46.1410815565508; Mon, 15 Sep 2014 14:12:45 -0700 (PDT) Original-Received: from mail-s68.mailgun.info (mail-s68.mailgun.info. [184.173.153.196]) by mx.google.com with ESMTPS id cj9si6748223vdd.35.2014.09.15.14.12.45 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Sep 2014 14:12:45 -0700 (PDT) Received-SPF: pass (google.com: domain of bounce+3f9131.69110-std-proposals=isocpp.org@miator.net designates 184.173.153.196 as permitted sender) client-ip=184.173.153.196; Original-Received: from mail-vc0-f175.google.com (mail-vc0-f175.google.com [209.85.220.175]) by mxa.mailgun.org with ESMTP id 54175644.7f1d6035faf0-in3; Mon, 15 Sep 2014 21:12:36 -0000 (UTC) Original-Received: by mail-vc0-f175.google.com with SMTP id hq11so4047841vcb.34 for ; Mon, 15 Sep 2014 14:12:36 -0700 (PDT) X-Received: by 10.52.68.102 with SMTP id v6mr21605633vdt.8.1410815555997; Mon, 15 Sep 2014 14:12:35 -0700 (PDT) Original-Received: by 10.220.40.5 with HTTP; Mon, 15 Sep 2014 14:12:35 -0700 (PDT) In-Reply-To: X-Mailgun-Sid: WyI3MTBkYiIsICJzdGQtcHJvcG9zYWxzQGlzb2NwcC5vcmciLCAiNjkxMTAiXQ== Original-Sender: zy@miator.net X-Original-Sender: zy@miator.net X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of bounce+3f9131.69110-std-proposals=isocpp.org@miator.net designates 184.173.153.196 as permitted sender) smtp.mail=bounce+3f9131.69110-std-proposals=isocpp.org@miator.net; dkim=pass header.i=@miator.net 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:12898 Archived-At: --001a1136b2b60f272505032118bc Content-Type: text/plain; charset=UTF-8 On Mon, Sep 15, 2014 at 5:06 PM, Richard Smith wrote: > > Given that your std::this_t doesn't work, what's wrong with decltype(this)? > The name. Well, this_t is not the right name too, but we can bike-shed it, but decltype(this) strongly suggests it gives type of `this`, which is a pointer, while the paper suggests it to be the type of the implied object, which is more convenient from my point of view. -- Zhihao Yuan, ID lichray The best way to predict the future is to invent it. ___________________________________________________ 4BSD -- http://bit.ly/blog4bsd -- --- 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/. --001a1136b2b60f272505032118bc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Mon, Sep 15, 2014 at 5:06 PM, Richard Smith <ric= hard@metafoo.co.uk> wrote:

Given that your std::= this_t doesn't work, what's wrong with decltype(this)?
<= /div>

The name.=C2= =A0 Well, this_t is not the right name too, but we can bike-shed it,
but decltype(this) strongly suggests it gives= type of `this`, which is a pointer,
wh= ile the paper suggests it to be the type of the implied object, which ismore convenient from my point of view.

--
Zhihao Yuan, ID lichray
The best way to pred= ict the future is to invent it.
________________________________________= ___________
4BSD -- http://bit.ly/blog4bsd

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