220 17961 article Path: news.gmane.org!not-for-mail From: Olaf van der Spek Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Parsing Numbers Date: Tue, 19 May 2015 00:17:08 +0200 Lines: 28 Approved: news@gmane.org Message-ID: References: <555A54B8.8000007@gmx.net> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1431987442 18121 80.91.229.3 (18 May 2015 22:17:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 18 May 2015 22:17:22 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC5NB45SSABBBZOJ5GVAKGQERCKA72Q@isocpp.org Tue May 19 00:17:10 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wi0-f200.google.com ([209.85.212.200]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YuTLS-0001fB-Ct for gclcip-std-proposals@m.gmane.org; Tue, 19 May 2015 00:17:10 +0200 Original-Received: by wiz9 with SMTP id 9sf69816wiz.3 for ; Mon, 18 May 2015 15:17:09 -0700 (PDT) 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:date :message-id:subject:from:to:content-type:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=9ypGX/wJkdZ6wvjMxKam6uggRmiRbNA8W1oMP1nzO0Q=; b=SK/YB+P7BS34uOtrleI7npg76I/lorWGztspaLyZtyPOKP/PPTfdNgsT3d3rNMCuyN LfV1SJMIPIilr9o3OpSoe0NEpFwQx4eWPj0rIyBKltVPFBXfT0DaBFRefOInXdMKEa8a QRhtyCroUsFbNmuJzUljJirwKHQXXCjchj38tygF3Ls7iwh1r5rzvJcHAzRj4nrZd3n6 FePxEr7L1WDYJuRD95UUgZAQzx9K/XXp+RbgxEmqsQcTJ2XV5/k5rrSMbb//Ept3Urbz UBxst8D2mH29ZwwFnZPvCFmDAvEEaosLNf+gDLoIpK6XGqZV+ttEZ2gcNOlRRpUnz5AY u3RQ== X-Gm-Message-State: ALoCoQk/J6E03945udByQ4cjqjRAzi2aXYMxOsOaYAblUbF7SV2/JOeNlFiVs7Y7IeZdJHtAa3sp X-Received: by 10.152.37.101 with SMTP id x5mr19412114laj.5.1431987429700; Mon, 18 May 2015 15:17:09 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.180.109.226 with SMTP id hv2ls488971wib.44.canary; Mon, 18 May 2015 15:17:08 -0700 (PDT) X-Received: by 10.180.101.105 with SMTP id ff9mr25567792wib.64.1431987428772; Mon, 18 May 2015 15:17:08 -0700 (PDT) Original-Received: from mail-wi0-x22c.google.com (mail-wi0-x22c.google.com. [2a00:1450:400c:c05::22c]) by mx.google.com with ESMTPS id t1si13431544wjx.99.2015.05.18.15.17.08 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 May 2015 15:17:08 -0700 (PDT) Received-SPF: pass (google.com: domain of olafvdspek@gmail.com designates 2a00:1450:400c:c05::22c as permitted sender) client-ip=2a00:1450:400c:c05::22c; Original-Received: by wicmx19 with SMTP id mx19so98418541wic.0 for ; Mon, 18 May 2015 15:17:08 -0700 (PDT) X-Received: by 10.194.90.100 with SMTP id bv4mr46935729wjb.143.1431987428707; Mon, 18 May 2015 15:17:08 -0700 (PDT) Original-Received: by 10.28.59.134 with HTTP; Mon, 18 May 2015 15:17:08 -0700 (PDT) In-Reply-To: <555A54B8.8000007@gmx.net> X-Original-Sender: olafvdspek@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of olafvdspek@gmail.com designates 2a00:1450:400c:c05::22c as permitted sender) smtp.mail=olafvdspek@gmail.com; dkim=pass header.i=@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=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:17961 Archived-At: 2015-05-18 23:08 GMT+02:00 Jens Maurer : > On 05/18/2015 08:34 PM, Olaf van der Spek wrote: >> So, what about this one? >> >> optional parse(string_view, std::size_t* pos = 0, int base = 10); >> >> An alternative could be: >> >> error_code parse(T&, string_view, std::size_t* pos = 0, int base = 10); > > I would appreciate if there would be a compile-time choice for base 2, > base 8, base 10, base 16, not (only) a facility with a runtime parameter. Why? Performance? Shouldn't the compiler take care of that? -- Olaf -- --- 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. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposals/. .