220 21819 article Path: news.gmane.org!not-for-mail From: "'Matt Calabrese' via ISO C++ Standard - Future Proposals" Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: P0099 Suggestion: Comparable execution_contexts Date: Thu, 15 Oct 2015 14:11:23 -0700 Lines: 82 Approved: news@gmane.org Message-ID: References: <850904d9-b894-4ff5-b0a3-79a7cbcfa896@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a1142e6480849a405222b1f38 X-Trace: ger.gmane.org 1444943496 11119 80.91.229.3 (15 Oct 2015 21:11:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 15 Oct 2015 21:11:36 +0000 (UTC) To: "ISO C++ Standard - Future Proposals" Original-X-From: std-proposals+bncBCGNLO5F34OBB65MQCYQKGQEV5VX7XY@isocpp.org Thu Oct 15 23:11:30 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f70.google.com ([209.85.220.70]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Zmpo7-00081N-Ut for gclcip-std-proposals@m.gmane.org; Thu, 15 Oct 2015 23:11:28 +0200 Original-Received: by payp3 with SMTP id p3sf3441011pay.0 for ; Thu, 15 Oct 2015 14:11:27 -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:content-type:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=T7C8SAjD6J9XtjcSKTt9y3sCKKC3/j2hCSOMjtFEwmY=; b=Hv90FX2aRhOvRcCbFAjg30T/M9s5CzrLnfBPFvcc80wKutKRYiMtZZUeBAs3VUbB9e xru+atFyrTrldzGhdd8JvHC45T9LFIaVQ3uNsz3/o1TInFm/HSLSjpsgLIMkPe3+/BcN AtTi+Juu8tvpoQjCBdemOXTai1OECtGnMXl/WYEhCPDpPR63M95MDLFnRPhLL+TOMsfL Swbn/nfgntHfn7nJWAuIKvLeTTa4q19XBxeLozJ6TKccFGI7PZXnJVVJi3CPuPIvjgsd 63MpXzZHQsAIAWOpkflCSNmHhIsnCOv3kqMWCOl9Mjg46iJTRSa2vpbom/ZQMB6zb2nv ScNw== X-Gm-Message-State: ALoCoQmYuTij9ALlDw27Zxa0kbjnOWePZw9GVfzJQMCDsbvjux6bA6CbdTHYz6eSLNLKE8nUyiuL X-Received: by 10.66.158.229 with SMTP id wx5mr9725139pab.3.1444943486944; Thu, 15 Oct 2015 14:11:26 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.182.215.162 with SMTP id oj2ls486307obc.15.gmail; Thu, 15 Oct 2015 14:11:23 -0700 (PDT) X-Received: by 10.182.246.193 with SMTP id xy1mr7174001obc.64.1444943483337; Thu, 15 Oct 2015 14:11:23 -0700 (PDT) Original-Received: from mail-oi0-x22b.google.com (mail-oi0-x22b.google.com. [2607:f8b0:4003:c06::22b]) by mx.google.com with ESMTPS id e3si8508316obr.11.2015.10.15.14.11.23 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Oct 2015 14:11:23 -0700 (PDT) Received-SPF: pass (google.com: domain of calabrese@google.com designates 2607:f8b0:4003:c06::22b as permitted sender) client-ip=2607:f8b0:4003:c06::22b; Original-Received: by oies66 with SMTP id s66so14045161oie.1 for ; Thu, 15 Oct 2015 14:11:23 -0700 (PDT) X-Received: by 10.202.108.81 with SMTP id h78mr7043008oic.86.1444943483102; Thu, 15 Oct 2015 14:11:23 -0700 (PDT) Original-Received: by 10.60.93.37 with HTTP; Thu, 15 Oct 2015 14:11:23 -0700 (PDT) In-Reply-To: X-Original-Sender: calabrese@google.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of calabrese@google.com designates 2607:f8b0:4003:c06::22b as permitted sender) smtp.mailfrom=calabrese@google.com; dkim=pass header.i=@google.com; dmarc=pass (p=REJECT dis=NONE) header.from=google.com 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: , X-Original-From: Matt Calabrese Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:21819 Archived-At: --001a1142e6480849a405222b1f38 Content-Type: text/plain; charset=UTF-8 On Thu, Oct 15, 2015 at 2:05 PM, Nevin Liber wrote: > On 15 October 2015 at 15:28, 'Matt Calabrese' via ISO C++ Standard - > Future Proposals wrote: > >> +1 to all of these, though possibly just std::less rather than operator < >> (I don't have strong opinions on that either way, but I know that a lot of >> people do). >> > > +1 to comparison ops, -10000 to just std::less. > > Nothing in the standard specializes std::less*. You do not want to open > that can of worms. For instance, the discussion around comparison ops is a > major reason optional didn't make it into C++14. If LEWG wishes to open > that discussion, they will. If you wish to open it, be prepared to not get > comparable execution contexts because of it. > Agreed. I'm in favor of operator <, I'm mostly just pointing out that there *is* a can of worms there, and people may be waiting on the side-lines with can openers ;) -- --- 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/. --001a1142e6480849a405222b1f38 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On T= hu, Oct 15, 2015 at 2:05 PM, Nevin Liber <nevin@eviloverlord.com&= gt; wrote:
On 15 October 2015 at 15:28, 'Matt Calabrese' via ISO C+= + Standard - Future Proposals <std-proposals@isocpp.org> wrote:
=
+1 to all of these, though possibly just= std::less rather than operator < (I don't have strong opinions on t= hat either way, but I know that a lot of people do).

+1 to comparison ops, -10000 to ju= st std::less.

Nothing in the standard specializes = std::less*.=C2=A0 You do not want to open that can of worms.=C2=A0 For inst= ance, the discussion around comparison ops is a major reason optional didn&= #39;t make it into C++14.=C2=A0 If LEWG wishes to open that discussion, the= y will.=C2=A0 If you wish to open it, be prepared to not get comparable exe= cution contexts because of it.
Agreed. I'm in favor of operator <, I'm mostly just = pointing out that there is a can of worms there, and people may be w= aiting on the side-lines with can openers ;)

--

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