220 8669 article Path: news.gmane.org!not-for-mail From: Jeffrey Yasskin Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: string_view::is_null() Date: Fri, 17 Jan 2014 16:06:18 -0800 Lines: 25 Approved: news@gmane.org Message-ID: References: <8045a4d2-721d-4725-8bb7-7a91b6f53ec8@isocpp.org> <186E0927-C962-4E34-AED0-E7509DD1F0A0@gmail.com> <7aad44d8-6b4e-438a-b309-bd898b994b34@isocpp.org> <9C2C439F-7983-4224-B272-53CAD0E2E456@gmail.com> <8E74B747-7450-41E0-8D1E-48C2D6F81535@gmail.com> <104254A6-C69A-4571-8455-89D7E466D493@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1390003594 29235 80.91.229.3 (18 Jan 2014 00:06:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 18 Jan 2014 00:06:34 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDDM34EO6QDRBD4L46LAKGQEBSYIFJY@isocpp.org Sat Jan 18 01:06:42 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ob0-f198.google.com ([209.85.214.198]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1W4JQv-0005h4-69 for gclcip-std-proposals@m.gmane.org; Sat, 18 Jan 2014 01:06:41 +0100 Original-Received: by mail-ob0-f198.google.com with SMTP id wm4sf16406802obc.5 for ; Fri, 17 Jan 2014 16:06:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject: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 :content-transfer-encoding; bh=30Qh1cUJEhOjRw3lRwLyvX+ecSlo5CSQRBQklEOYkjg=; b=EmpHzYzoVIVecz1PiIEjTMd9xr6buiwcpnCWcsAT8xhraTQXq0PMOosuWaJPy0f6Zq pyDGZT7BtbeO7sftF15pCgWcCChgMqzmeBFBxQ/g5CD9K++8DgonW7qnU1AADPqGMZEj JuQxh13nIBn4dp65R+dbe9k9djztQ/KDzfqGvjvfGJ7nbqptFHAD4qLtUjTlYyt2guRb 3rmTk8WsYN47ah4/fsp0k3KNwZ+5b2JmpmTPW1mhFTmuxOHKYpyaDwnxAeMlEhSDCRU9 ePx0ur8nfFhVgGXDEh/B4susv15PW2txCimSPGC/v32UqCTqkx6LzLq+lHZiy/UT4UVf vGow== 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:from:date :message-id:subject: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:content-transfer-encoding; bh=30Qh1cUJEhOjRw3lRwLyvX+ecSlo5CSQRBQklEOYkjg=; b=PHoSPHgSia5Hb5yDam0faTdnkLBxzwFr6qzdgEGRi8sYWTX7q+IqjSAY8JuC44rDJQ luf48BgufIB2BXJcWmax0AYm+xdS1Lq3ZVmaLlr6n/I9Ek32XNlIMZ/B4RMM33/HL6ac 4UFIp/kuRtUzF9mIx+lsPmMRr7Rtbv8jtnSNE6H7iHRC2jA9BCsW1bPZuzdEkrXZgaLh uqmKbwVKGGkDCoKP3lEri5vS7CCRHlsTRgJeQNLl8cvhyxJFqtkC3Wpts6QpKe5eW5fM hEuqKiKXvX9ebI6lWsEr0bOBJXB7QL+WBRz49fvEHug5EKx3C3vfuQrZIvtTRa+SMnf7 DJig== X-Gm-Message-State: ALoCoQkvisdC/UucmdyxrKMQaMoEYzPbnOC+mmDfASrR60r70QVoWtQOBel1piiPOECRrOYcPLLq X-Received: by 10.50.18.4 with SMTP id s4mr509502igd.5.1390003600227; Fri, 17 Jan 2014 16:06:40 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.34.76 with SMTP id k70ls553547qgk.30.gmail; Fri, 17 Jan 2014 16:06:39 -0800 (PST) X-Received: by 10.140.50.9 with SMTP id r9mr7768797qga.22.1390003599732; Fri, 17 Jan 2014 16:06:39 -0800 (PST) Original-Received: from mail-qa0-x22d.google.com (mail-qa0-x22d.google.com [2607:f8b0:400d:c00::22d]) by mx.google.com with ESMTPS id t5si14430813qak.112.2014.01.17.16.06.39 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 17 Jan 2014 16:06:39 -0800 (PST) Received-SPF: pass (google.com: domain of jyasskin@google.com designates 2607:f8b0:400d:c00::22d as permitted sender) client-ip=2607:f8b0:400d:c00::22d; Original-Received: by mail-qa0-f45.google.com with SMTP id ii20so3843904qab.4 for ; Fri, 17 Jan 2014 16:06:39 -0800 (PST) X-Received: by 10.140.27.103 with SMTP id 94mr7703287qgw.45.1390003599521; Fri, 17 Jan 2014 16:06:39 -0800 (PST) Original-Received: by 10.229.208.138 with HTTP; Fri, 17 Jan 2014 16:06:18 -0800 (PST) In-Reply-To: <104254A6-C69A-4571-8455-89D7E466D493@gmail.com> X-Original-Sender: jyasskin@google.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of jyasskin@google.com designates 2607:f8b0:400d:c00::22d as permitted sender) smtp.mail=jyasskin@google.com; dkim=pass header.i=@google.com; dmarc=pass (p=REJECT dis=NONE) header.from=google.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:8669 Archived-At: On Fri, Jan 17, 2014 at 3:51 PM, Marshall Clow wrot= e: > On Jan 17, 2014, at 2:10 PM, Jeffrey Yasskin wrote: > > Agreed. To mitigate this, if string_view::data() could return nullptr, I > believe we could still create strings using std::string(null_sv.begin(), > null_sv.end()). > > > I thought that=92s why we had to_string(). We have to_string mostly for convenience, I think, although it is another way to get from a null string_view to a std::string. --=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. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposa= ls/. .