220 33235 article Path: news.gmane.org!.POSTED!not-for-mail From: Nicol Bolas Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Proposal "is_constexpr" Date: Mon, 17 Jul 2017 08:14:50 -0700 (PDT) Lines: 58 Approved: news@gmane.org Message-ID: References: <803a7b14-34c2-4ee6-8c5a-154532143a6e@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_1332_1262332928.1500304490454" X-Trace: blaine.gmane.org 1500304498 9151 195.159.176.226 (17 Jul 2017 15:14:58 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 17 Jul 2017 15:14:58 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCEKFTV6ZUMBB25IWPFQKGQEJ5U6JXQ@isocpp.org Mon Jul 17 17:14:50 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-it0-f69.google.com ([209.85.214.69]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dX7jS-0001iw-Q6 for gclcip-std-proposals@m.gmane.org; Mon, 17 Jul 2017 17:14:46 +0200 Original-Received: by mail-it0-f69.google.com with SMTP id v205sf173700140itf.8 for ; Mon, 17 Jul 2017 08:14:52 -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=v3q5r82y7N5pIHBGaS+ax98QmkAgr8Ij67xjW1eCHY8=; b=TrctY9Ra28dWR911Vyp7A6DtdCcLgT7X1bARqveLmjiRNlOqser4M0d/wYtprvSWla htW6UNlu1wFxGDpgNaHZnRxtTbo278ApkBk+m3u/rdiskyZRhwF0GL9vrmOtzGZiZmAH 0oTw/Broh0ZSeDRdQmeaMswVJSbuQsh40HoXTzKdJzKh5bXxQjC5JoORXI2ZbRgE/kbu vDNWvgB5nXI3mjeQHKEwYTXuuafABZteFBOuVag/17wyPQjjR6h5J+ZZN6vbJnM6giZx uUt8CqZ2PiU1TbtIAZqBDVmXpeXiZ+VyNXZN2OnuYnaLnnGxpty1aoVV4qvUi63mjAvO ioUA== 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=v3q5r82y7N5pIHBGaS+ax98QmkAgr8Ij67xjW1eCHY8=; b=Q6El5DIFtgkOb7kzYuap/0nfZymWWQPsDC1ivPnO3jE9q4BwJKAB8f4c5tqDVIY8Ql jiFTcV3OQhKFQokgg5qFRIodiBL9aVODK96Wcooqkf9qTVtTdHYygPIpFLl+z0khztMB U+/+Zw2y1hEp94RXSeQux69C3uZurIZh3VBObeZY6FCbIOSeAuYm16p64Js7b0WFCrtG B7UbeZ4vIcdayM2m7ax3IXGhslBBnz8l3xf5tbF/JMdWA/Iouu7CekU8JHvazto/Us5J RBNSfY2SYlv5LKhCeOmK/R7SBlkKSEDkIXHf4fDyyCVTOxq4U7g0Ly63kr2CHUCIQnuq K3BA== 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=v3q5r82y7N5pIHBGaS+ax98QmkAgr8Ij67xjW1eCHY8=; b=hH6ifDIUiVjlVY7RUlPIK0779QHuhGJsP3D0KS+siRswzZ6YDvT0BA2/kGdd5s70DK Sw974qNfxreA59TrqA9YtdgrbCLd66s4eeGnH1HcDiSE/Mt2zkSkaz+9N+hSBVQdHTMB PqJJLOl5CUqbalHk4nAq/rcx0yU6ngczs6hlVYfaZSYcC3ubNGDYeHTdxbc0BR2SbuPz zZn0gV90LTGpPcoDYvM6vNvVSUpvFY8A1+hfDPtsXzx6tJh7TCHqLehb8wotbazoy0D7 SMnsGZ14EjL1LRerhQ1f/vWdAycjJnxExsBvQgKR2V007ah+8cPw89KFgOjDLi4tkHZl VONA== X-Gm-Message-State: AIVw112rrrS6ZrGa0VIjyqvid8EMLHR+Bh0SooDxR3sfjLy4DLJ/S7JD h3jh41dQXD7+7A4E X-Received: by 10.107.40.4 with SMTP id o4mr14629618ioo.90.1500304492244; Mon, 17 Jul 2017 08:14:52 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.36.7.203 with SMTP id f194ls684841itf.11.gmail; Mon, 17 Jul 2017 08:14:50 -0700 (PDT) X-Received: by 10.31.170.198 with SMTP id t189mr80917vke.13.1500304490899; Mon, 17 Jul 2017 08:14:50 -0700 (PDT) In-Reply-To: <803a7b14-34c2-4ee6-8c5a-154532143a6e@isocpp.org> X-Original-Sender: jmckesson@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:33235 Archived-At: ------=_Part_1332_1262332928.1500304490454 Content-Type: multipart/alternative; boundary="----=_Part_1333_1375528074.1500304490455" ------=_Part_1333_1375528074.1500304490455 Content-Type: text/plain; charset="UTF-8" I know there are a lot of papers out there . But does it really take that long to search them for "constexpr" to see if this has already been proposed ? You can even do a Google site-specific search to just search WG21's papers. And, as shown in that paper, checking for the `constexpr` status of a variable is rather pointless. What you really want to ask is "is this code being run at compile-time?" -- 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/be511dfd-c3f1-4e02-9304-48dabe8300c9%40isocpp.org. ------=_Part_1333_1375528074.1500304490455 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I know there are a lot of papers out there. But does it real= ly take that long to search them for "constexpr" to see if this <= a href=3D"http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2017/p0595r0.h= tml">has already been proposed? You can even do a Google site-specific = search to just search WG21's papers.

And, as shown in that paper= , checking for the `constexpr` status of a variable is rather pointless. Wh= at you really want to ask is "is this code being run at compile-time?&= quot;

--
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposa= ls+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/be511dfd-c3f1-4e02-9304-48dabe8300c9= %40isocpp.org.
------=_Part_1333_1375528074.1500304490455-- ------=_Part_1332_1262332928.1500304490454-- .