220 14204 article Path: news.gmane.org!not-for-mail From: Tony V E Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Again on constexpr stuff Date: Fri, 24 Oct 2014 13:19:37 -0400 Lines: 96 Approved: news@gmane.org Message-ID: References: <71fe47d3-fc2d-4099-823e-5a2e429b769e@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=089e0112c588b6f89b05062e623e X-Trace: ger.gmane.org 1414171187 5552 80.91.229.3 (24 Oct 2014 17:19:47 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 24 Oct 2014 17:19:47 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCUZ5QWKNQIKXFFKUICRUBGI23PHK@isocpp.org Fri Oct 24 19:19:41 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wi0-f197.google.com ([209.85.212.197]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XhiWa-0007Uq-Kp for gclcip-std-proposals@m.gmane.org; Fri, 24 Oct 2014 19:19:40 +0200 Original-Received: by mail-wi0-f197.google.com with SMTP id ex7sf924651wid.0 for ; Fri, 24 Oct 2014 10:19:40 -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: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=noNF+GP8MFqrU7gArLibQOSV3P+rHEVXZjBDbk9CWGc=; b=i/rRlHOHPrf2SeQzz4L4Gx3WScUjbLokXPr+iIEqsccG4Wzj+Z7sa+oQcJI0o2BCc/ iwgQRnTTIdfxPh3ndFoKhJvk4EC1pJDMUyNDEuGePRzQR2RHjZRrI0aDC5HJX7xGdK+g OcfL2Qhw+9OeH0N2H4fad0TSKVObLezPhLCVdM5V7Kl9f2vKSWTbLqXRSL31C4g7ajqB HvHCDGQzuQhdLILw7G/Arnv1CJt2Daw9BcQL2uNoABl53Wl3hBygO1yZDVCE4cuYbOdm B10QX+c4xEPApTaesc3tXaa5wDaXLH0GJ04rtRqR8Y056beo7JQLOnsQyt3vT9P8QYMM 8TsQ== X-Gm-Message-State: ALoCoQnDk8eKc/eGE/0NibcPf9QT660KvC2xIltJiR/t1yZzd/s44ryo2JA2Nsc/CBZsbY3rLuil X-Received: by 10.194.242.36 with SMTP id wn4mr892160wjc.4.1414171180335; Fri, 24 Oct 2014 10:19:40 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.206.8 with SMTP id lk8ls396817lac.17.gmail; Fri, 24 Oct 2014 10:19:38 -0700 (PDT) X-Received: by 10.112.135.229 with SMTP id pv5mr5953647lbb.52.1414171178445; Fri, 24 Oct 2014 10:19:38 -0700 (PDT) Original-Received: from mail-lb0-x22d.google.com (mail-lb0-x22d.google.com. [2a00:1450:4010:c04::22d]) by mx.google.com with ESMTPS id qj5si7903296lbb.89.2014.10.24.10.19.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 24 Oct 2014 10:19:38 -0700 (PDT) Received-SPF: pass (google.com: domain of tvaneerd@gmail.com designates 2a00:1450:4010:c04::22d as permitted sender) client-ip=2a00:1450:4010:c04::22d; Original-Received: by mail-lb0-f173.google.com with SMTP id 10so2939906lbg.32 for ; Fri, 24 Oct 2014 10:19:38 -0700 (PDT) X-Received: by 10.152.170.131 with SMTP id am3mr5856717lac.15.1414171177972; Fri, 24 Oct 2014 10:19:37 -0700 (PDT) Original-Received: by 10.112.75.199 with HTTP; Fri, 24 Oct 2014 10:19:37 -0700 (PDT) In-Reply-To: <71fe47d3-fc2d-4099-823e-5a2e429b769e@isocpp.org> X-Original-Sender: tvaneerd@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of tvaneerd@gmail.com designates 2a00:1450:4010:c04::22d as permitted sender) smtp.mail=tvaneerd@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:14204 Archived-At: --089e0112c588b6f89b05062e623e Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, Oct 22, 2014 at 10:16 PM, Germ=C3=A1n Diago wrote: > @Geoffrey Romer Thanks for the explanation, it does make a lot of sense, > however, see > below for my only remaining question if you have a good reply for that. > > > See >> https://groups.google.com/a/isocpp.org/d/msg/std-proposals/nxP9zixxFmY/ >> yXnwRgKM2g0J >> > > Thanks for the info. Useful, makes sense, the only thing I still wonder: > > - Why the D programming language does this non-intrusively? It is fair to > ask that I guess, because for them it is working. > Do they have the same potential problems as described in this thread? > > I *think* one difference is that D doesn't have (or is striving not to have) a "constexpr subset of the language" - ie the whole language is constexpr-able. So you will never have the problem of "oops I made this function no longer constexpr-able, and broke my interface contract". Tony --=20 ---=20 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 e= mail to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. 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On Wed, Oct 22, 2014 at 10:16 PM, Germ=C3=A1n Diago &= lt;germandiago@g= mail.com> wrote:


Tony


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