220 39719 <5e0bbfcf-c60c-46e8-963f-3447b3b08fcc@isocpp.org> article Path: news.gmane.org!.POSTED!not-for-mail From: yakitori1010@gmail.com Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: constexpr! or constexpr(true) Date: Sat, 11 Aug 2018 15:13:27 -0700 (PDT) Lines: 77 Approved: news@gmane.org Message-ID: <5e0bbfcf-c60c-46e8-963f-3447b3b08fcc@isocpp.org> References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_1181_1215522536.1534025607955" X-Trace: blaine.gmane.org 1534025483 8816 195.159.176.226 (11 Aug 2018 22:11:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 11 Aug 2018 22:11:23 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDD7HZ424QGBBCF7XXNQKGQEPVSL4WI@isocpp.org Sun Aug 12 00:11:19 2018 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-yw1-f72.google.com ([209.85.161.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1foc6R-0002DB-EF for gclcip-std-proposals@m.gmane.org; Sun, 12 Aug 2018 00:11:19 +0200 Original-Received: by mail-yw1-f72.google.com with SMTP id g126-v6sf17981462ywg.20 for ; Sat, 11 Aug 2018 15:13:30 -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=+VIHGaA0vydNaZv0dQh89QUqLKIKW7/Q2y7oSQ5I4ZU=; b=se1GPuwJ8R7VWupUmTWTQThO9opA6i3PIATBPTAc/fUUXP6PjcII3h6IwcA2bt2Z0M Sy67L4lRvBZmo78Re50nbfb5aC7FheOqk98QY1/PWDK6KbgxtGaO0tlHyTjwsb1S9e7F 51aQTGFEu4Gx46mYECaHvNTevxdKfibrc+DTU20C2YTeokqXQyEyUKgNn2Vb0Th8NK3f mbznfYisJSkk8QM+HIffF/nfeNlLLaMwUlKysvMmcuqdhsmoClzN4qcmKztWmiUrYnsW vXHVJr6Scszf6cX+wJkOdWXYROH9V+h4hvWJFejxDi1icla6gLRHaJT6EDtwx/blIhNs 8Xfg== 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=+VIHGaA0vydNaZv0dQh89QUqLKIKW7/Q2y7oSQ5I4ZU=; b=Glh+WC/Rev6NRmLx6Sc7dTmjIlZs1aUaO6y/8Zuab1opFVxO+nzQSgqLR9Duc4KLXE 3MxyebTKracv/ymwvJBjeNRXr3ufFkJ9Yn2TbIF/86V2Z+rWTsE7ZOUwJuC3XK8OX9yv xd5qLxjgZbwy0X41GGrD/RLL5ori7SN73bUhmkFmZskNdpOsUWWeJxQSh39EtuesHGfP +KuUlAarYjq3okRRwsXxvZz9XI4dEJ7fQXs16vrvkdQ9qeBZhrHOLgNYkVEDwUxauf80 VvI5IYBYvJjpWVvGFLnsaWetsc1coaBOBxviZ7Vtd/45GZ0y0kJ2cv5BlYP1tkx8yQbx bTBA== 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=+VIHGaA0vydNaZv0dQh89QUqLKIKW7/Q2y7oSQ5I4ZU=; b=QbVp20s3TIhWZssamV5J6hhPwd3MP8FVHb8rlxJL9OC4RzMJRTStqZGm8C4Z3bbFCI HPIbhQcIj3YEnFQVvhdf78KAOQ4a5OCzCODmkxI4ZP56WwwefjCs9I7sDftBuuu+Y9wO I8zZRKD4jpRYHV2Q/4kzVcC/NIGyZ7xEwNwb9kXmzvr8eWuhF4oYMDBGEoMYdO4GYU+/ 2i5K/zSqnFvAJsTqVzoT1+PXt97ZBAiSQzpcMDzKBLSeNh9u9gKyLF4boGJxci47f4z1 VRousi1hT40pGMgWl34VvDyMF9CINGeocLKrr+UfRYxEvtfnR1tVLR2d69SRexIAerqD h3IQ== X-Gm-Message-State: AOUpUlF1V8ibURJUP7DEtueydcCW6wSezfKsrg+7fUUWM+TOluvERkTh mB7G70tHTmIaCtlEjqhMTJnopg== X-Google-Smtp-Source: AA+uWPwy7fHVxBi9oMjU83L8JdKPQcNLvXuD37IkSxEDEfLsufvyoPQHyF/VVe7AFszdvRWg+theDg== X-Received: by 2002:a81:cd5:: with SMTP id 204-v6mr3744850ywm.103.1534025609692; Sat, 11 Aug 2018 15:13:29 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 2002:a81:4c90:: with SMTP id z138-v6ls2121424ywa.27.gmail; Sat, 11 Aug 2018 15:13:28 -0700 (PDT) X-Received: by 2002:a0d:de01:: with SMTP id h1-v6mr251149ywe.3.1534025608610; Sat, 11 Aug 2018 15:13:28 -0700 (PDT) In-Reply-To: X-Original-Sender: yakitori1010@gmail.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: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:39719 Archived-At: ------=_Part_1181_1215522536.1534025607955 Content-Type: multipart/alternative; boundary="----=_Part_1182_1634764540.1534025607955" ------=_Part_1182_1634764540.1534025607955 Content-Type: text/plain; charset="UTF-8" i wonder. How to need compiletime culc phase... ex . constexpr(some_condition()) int sqr(int n){} this needs 2 phase. first to calc some_conditon()// is this finish one phase? second to calc needed function. can you description the order of decision. at me not mind to force inline. optimizer compiler is too canning then beginner. what do you think the usecase. -- 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/5e0bbfcf-c60c-46e8-963f-3447b3b08fcc%40isocpp.org. ------=_Part_1182_1634764540.1534025607955 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=C2=A0i wonder. How to need compiletime culc phase...=

ex .=C2=A0constexpr(some_condition()) int sqr(int n)= {}

this needs 2 phase.
first to c= alc some_conditon()// is this finish one phase?
second to calc ne= eded function.

can you description the order of de= cision.
at me not mind to force inline.
optimizer compi= ler is too canning then beginner.
what do you think the usecase.<= /div>

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