220 35095 article Path: news.gmane.org!.POSTED!not-for-mail From: Nevin Liber Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Marking more std::string_view members noexcept Date: Wed, 25 Oct 2017 16:02:33 -0500 Lines: 65 Approved: news@gmane.org Message-ID: References: <3d03cd7d-2177-98fd-408d-f74b1f6a8552@gmail.com> <2b8591ee-3a1e-4a41-8c14-221bdc5cd1e4@isocpp.org> <0574ad73-0d36-47c0-9e47-79e234cc6708@isocpp.org> <79ff7517-9d44-4770-8124-a2a036a2e6be@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="089e082577e04dfcb2055c65626f" X-Trace: blaine.gmane.org 1508965396 7276 195.159.176.226 (25 Oct 2017 21:03:16 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 25 Oct 2017 21:03:16 +0000 (UTC) To: "std-proposals@isocpp.org" Original-X-From: std-proposals+bncBCE35H5S6IDBBE7YYPHQKGQEG66VSKQ@isocpp.org Wed Oct 25 23:03:12 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-vk0-f72.google.com ([209.85.213.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e7SpR-00016d-De for gclcip-std-proposals@m.gmane.org; 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[209.85.220.41]) by mx.google.com with SMTPS id r21sor1447804uaf.107.2017.10.25.14.03.15 for (Google Transport Security); Wed, 25 Oct 2017 14:03:15 -0700 (PDT) Received-SPF: pass (google.com: domain of nliber@gmail.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 10.176.13.153 with SMTP id i25mr2681784uak.139.1508965394281; Wed, 25 Oct 2017 14:03:14 -0700 (PDT) Original-Sender: nliber@gmail.com Original-Received: by 10.103.71.140 with HTTP; Wed, 25 Oct 2017 14:02:33 -0700 (PDT) In-Reply-To: <79ff7517-9d44-4770-8124-a2a036a2e6be@isocpp.org> X-Original-Sender: nevin@eviloverlord.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=I+PKfe+q; spf=pass (google.com: domain of nliber@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=nliber@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:35095 Archived-At: --089e082577e04dfcb2055c65626f Content-Type: text/plain; charset="UTF-8" On Wed, Oct 25, 2017 at 3:07 PM, wrote: > Hi > > If there was a ctor from array reference, would it be noexcept? > > template > constexpr basic_string_view(const charT(&str)[N]) noexcept; > It hasn't been proposed, has it? My guess would be no, since there is a precondition that str[N-1] == 0, giving it a narrow contract. -- Nevin ":-)" Liber +1-847-691-1404 -- 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/CAGg_6%2BPv2BYcxMJ5aQ9uLb2qpgVZ3ThFjoWdKBNyZ4oNPm0A-A%40mail.gmail.com. --089e082577e04dfcb2055c65626f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Wed, Oct 25, 2017 at 3:07 PM, <pavel.kryukov= @phystech.edu> wrote:
Hi
If there was a ctor from array reference, would it be noexcept= ?

template<size_t N>
constexpr bas= ic_string_view(const charT(&str)[N]) noexcept;
=

It hasn't been proposed, has it?

My guess would be no, since there is a precondition that str[N-1] = =3D=3D 0, giving it a narrow contract.
--
=C2=A0Nevin ":-)" Liber=C2=A0 <mailto:nevin@eviloverlord.com= > =C2=A0+1-847-691-1404

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