220 37714 article Path: news.gmane.org!.POSTED!not-for-mail From: Vincent Reverdy Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: General purpose utilities for template metaprogramming and type manipulation Date: Mon, 9 Apr 2018 05:14:03 -0700 (PDT) Lines: 60 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_23080_1349124998.1523276043822" X-Trace: blaine.gmane.org 1523275921 27024 195.159.176.226 (9 Apr 2018 12:12:01 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 9 Apr 2018 12:12:01 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCYPFAORZMKRBDFSVXLAKGQER2IMBRY@isocpp.org Mon Apr 09 14:11:57 2018 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ua0-f198.google.com ([209.85.217.198]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f5VeO-0006uZ-9e for gclcip-std-proposals@m.gmane.org; Mon, 09 Apr 2018 14:11:56 +0200 Original-Received: by mail-ua0-f198.google.com with SMTP id s47sf6578353uad.11 for ; Mon, 09 Apr 2018 05:14:06 -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=Lr5l4vwO2priKsJpyGbnsV9UZldp0kOpdLB43H8hxA4=; b=aGV8+/bi1JhkYSGpScA7+DmAJ70fKT2SdcjuSKlqPggm/NxTsRbU+P2GlxQNSAca0M QvbO5E2rrKM3psFy7OujT0mb7Ng4LaPeUuq1/jsLpw7kpkSrMH4XFDBktjmkXq0oJX6e J9TN4phWlHVtpcEZlquLfGABXgi/K5gADbWoDYKjEnES7VGCyO1Uxj+b1nDKvHR9CMF8 WwkkVLLa5y0+8b0YLzLudPX6OdoyK6B1AulwhqBJSTkJs8KzADMSpbxEyTPhhA7T4dEr 5RK3yDyDkCluwhk8+ZFceDj6bK+VUiB7OCJhEfpghtYUlUgni2z90cx5ObtExDrkw0qr wSnQ== 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=Lr5l4vwO2priKsJpyGbnsV9UZldp0kOpdLB43H8hxA4=; b=Z5RJFoMcP0+gOyezAxbRkgMYgxr+R3qLsPPZHIOfgoaKxnyWkEPXBozbW3zOvzlcW3 2hSm5sfUd/HL39wT4pQadk0XEouqcAMllPJLwjsbBqN0gInOR6aaQP3sT4Pb0P8ztYcw qm1cNVCikwx+E6OhDgnsyOeXSOoG/z/BMvDBSz5MKv8bE/g89gMJ0ddxsqXbxsT3hi07 QCIJdO3ilqVfPa/TkRonnb2EjE/Xu1apgeOUHtneAkwII2DXbLIr7mOjuuKSzL5K7fUO jtGmk6IOxq4ThBFmO4PIiPSkCCQ9MmgrOlHbGQFjA7xiKE+cTPHcDc02RcDT5plslA6b AZrQ== 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=Lr5l4vwO2priKsJpyGbnsV9UZldp0kOpdLB43H8hxA4=; b=GKYbHMiywWGqAXPmgmijHR/XWV9Y9mf2z94SB0e2VyQqUYcOsrUMzpK2ERVmYw82Jh tzNfyp7hoz+WiR/jaTRNv5ZNlA7O9+jdVS5U9uNzHMj15FvyG1tCJEWPLmiW6JbMulJ2 mKxnK9dPAesJ1K1GFyGi0KixjpECFIsts+nCdJ6V6DtXInGGPGfbYyJwsH+G6dl/qgQc P3hIFlrTI/si21T12jH/lwCBLceP2ND96rymMxnn22M3kkvp4JCYuxMYnm6rYhSaUYwR VOT6cJNaRz38uDECeLereo5WOrkShPygMI7JRcPlAO902+zvIfp7zimvJ3HX/QxoZMmH o25w== X-Gm-Message-State: ALQs6tDMIDhN00Bb1vRbQ8OsAkXxvc/0/RSE7uL+h5DaGzIQVnTB4lFb R54kB3plIi7gR9JV+wQxumpHsQ== X-Google-Smtp-Source: AIpwx4+TaCpODz2os4+pj6I2X072B1mDnTiFkocH6wcU9SmOHP1nug5aKtbjvHfMTO9YqvfRb2ZJWw== X-Received: by 10.31.151.142 with SMTP id z136mr17654343vkd.15.1523276045890; Mon, 09 Apr 2018 05:14:05 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.31.229.2 with SMTP id c2ls3831161vkh.1.gmail; Mon, 09 Apr 2018 05:14:04 -0700 (PDT) X-Received: by 10.31.193.140 with SMTP id r134mr4582843vkf.6.1523276044346; Mon, 09 Apr 2018 05:14:04 -0700 (PDT) In-Reply-To: X-Original-Sender: Vince.Rev@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:37714 Archived-At: ------=_Part_23080_1349124998.1523276043822 Content-Type: multipart/alternative; boundary="----=_Part_23081_1920673750.1523276043822" ------=_Part_23081_1920673750.1523276043822 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Could you explain in more details, what std::never would be?=20 (declaration/definition) Le lundi 9 avril 2018 04:55:34 UTC-5, Iv=C3=A1n Sanz a =C3=A9crit : > > std::never would be really useful when working with SFINAE to avoid two= =20 > fase lookup > --=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. To view this discussion on the web visit https://groups.google.com/a/isocpp= ..org/d/msgid/std-proposals/b69d44eb-00f2-4885-80f8-979602bd64d1%40isocpp.or= g. ------=_Part_23081_1920673750.1523276043822 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Could you explain in more details, what std::never would b= e? (declaration/definition)

Le lundi 9 avril 2018 04:55:34 UTC-5, Iv= =C3=A1n Sanz a =C3=A9crit=C2=A0:
std::never would be really useful when working with SFI= NAE to avoid two fase lookup

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