220 18311 article Path: news.gmane.org!not-for-mail From: "dgutson ." Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: to_string(string) Date: Fri, 29 May 2015 16:28:56 -0300 Lines: 145 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1432927739 12979 80.91.229.3 (29 May 2015 19:28:59 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 29 May 2015 19:28:59 +0000 (UTC) To: std-proposals Original-X-From: std-proposals+bncBDE3NBMV6UFBB6P3UKVQKGQEL3GLBUY@isocpp.org Fri May 29 21:28:59 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ob0-f199.google.com ([209.85.214.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YyPxi-0004kR-GW for gclcip-std-proposals@m.gmane.org; Fri, 29 May 2015 21:28:58 +0200 Original-Received: by obcds4 with SMTP id ds4sf107156549obc.2 for ; Fri, 29 May 2015 12:28:57 -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:content-transfer-encoding :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=elG1o7fub4mOok+Q8xWn6qYxbAIOfAf2ot5y66zvqUU=; b=HJUkMJIWxRjiYHxF4rc1yX5JWDVF98CzIRdLnnHhghvT8nNBQbGSQXPezo5UzGM2N2 Kwe7I1IPYVBCklMk9f397ZnAsIe4Ftosr37SZclAtg89jsCKvnG+NmSdzizpoSZA1s7W 6RdNxubLJ0nATVgf0bWava5JfK1k5kkoLd2wDMts0QGaP8o7ti3XAb8MjOEYHUkyro+Q 8vHBXyMKYXC5nQp/DKtG1MUi3j7brRsHL9pn77CC9yD14U+Odk7R0PAJ+FT4xoZw1tj8 DiAfUFJkp2orT8e2Tfx6xbnW7VI9jLwAZ1ys/99TmSI7NJpM4gDerQ0dZAY4sFi9KHnk jweQ== X-Gm-Message-State: ALoCoQlrrEl3pLE9vmmC4uBTs2rGn2AyKLgVxTGwHKmRIHPi95ewP4MPli2u1IylLGAIMWxzFX6q X-Received: by 10.43.151.129 with SMTP id ks1mr18828901icc.26.1432927737664; Fri, 29 May 2015 12:28:57 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.81.234 with SMTP id f97ls1520854qgd.17.gmail; Fri, 29 May 2015 12:28:56 -0700 (PDT) X-Received: by 10.236.17.198 with SMTP id j46mr10112174yhj.79.1432927736845; Fri, 29 May 2015 12:28:56 -0700 (PDT) Original-Received: from mail-yh0-x235.google.com (mail-yh0-x235.google.com. [2607:f8b0:4002:c01::235]) by mx.google.com with ESMTPS id s64si3898192yho.151.2015.05.29.12.28.56 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 29 May 2015 12:28:56 -0700 (PDT) Received-SPF: pass (google.com: domain of danielgutson@gmail.com designates 2607:f8b0:4002:c01::235 as permitted sender) client-ip=2607:f8b0:4002:c01::235; Original-Received: by yhan67 with SMTP id n67so562931yha.3 for ; Fri, 29 May 2015 12:28:56 -0700 (PDT) X-Received: by 10.170.141.85 with SMTP id i82mr11312430ykc.39.1432927736720; Fri, 29 May 2015 12:28:56 -0700 (PDT) Original-Received: by 10.129.90.213 with HTTP; Fri, 29 May 2015 12:28:56 -0700 (PDT) In-Reply-To: X-Original-Sender: danielgutson@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of danielgutson@gmail.com designates 2607:f8b0:4002:c01::235 as permitted sender) smtp.mail=danielgutson@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:18311 Archived-At: On Fri, May 29, 2015 at 4:18 PM, Patrice Roy wrote: > I'm planning on being there. If there are embedded system-related proposa= ls > to present there (presuming I don't strongly disagree with them), I can d= o > it. Cheers! Thanks Patrice. I was referring to the to_string(string) proposal (are you interested?). Regarding the embedded stuff, let's continue talking in the mailing list (where we'll post some new stuff by the weekend) and let's see. Thanks! Daniel. > > 2015-05-29 15:02 GMT-04:00 dgutson . : >> >> On Fri, May 29, 2015 at 3:22 PM, Nevin Liber >> wrote: >> > On 29 May 2015 at 13:09, 'Matt Calabrese' via ISO C++ Standard - Futur= e >> > Proposals wrote: >> >> >> >> On Fri, May 29, 2015 at 11:02 AM, Nevin Liber >> >> wrote: >> >>> >> >>> Having everything else return by value while this returns by const >> >>> reference is a hack which is ultimately a bad design for generic cod= e. >> >>> For >> >>> instance, this now returns a dangling reference: >> >>> >> >>> auto& r =3D to_string("Ok"); // ok >> >>> auto& s =3D to_string(string("Oops")); // oops >> >>> >> >>> While you can fix the dangling reference problem with yet another >> >>> overload (string to_string(string const&&)), you still have to >> >>> understand >> >>> the lifetime extension rules for references to use it efficiently in >> >>> generic >> >>> code. >> >> >> >> >> >> Agreed. >> >> >> >> I do think an overload for strings is good, though, even though it >> >> implies >> >> a copy or at least a move. >> > >> > >> > Of course, the purpose of to_string is to convert a numeric value to a >> > string, and adding a string overload doesn't meet that purpose. >> > >> > That being said, I probably wouldn't vote against such a thing, but I >> > don't >> > plan on championing it either (especially in Lenexa, as that was a few >> > weeks >> > ago :-)). >> >> :) my brain is burnt. >> >> Anyway, since I'm not sure if I will attend Kona either (until we come u= p >> with a >> full battery of proposals related to the embedded domain), anyone >> interested? >> >> > -- >> > Nevin ":-)" Liber (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. >> > Visit this group at >> > http://groups.google.com/a/isocpp.org/group/std-proposals/. >> >> >> >> -- >> Who=E2=80=99s got the sweetest disposition? >> One guess, that=E2=80=99s who? >> Who=E2=80=99d never, ever start an argument? >> Who never shows a bit of temperament? >> Who's never wrong but always right? >> Who'd never dream of starting a fight? >> Who get stuck with all the bad luck? >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Group= s >> "ISO C++ Standard - Future Proposals" group. >> To unsubscribe from this group and stop receiving emails from it, send a= n >> 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/. > > > -- > > --- > 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/. --=20 Who=E2=80=99s got the sweetest disposition? One guess, that=E2=80=99s who? Who=E2=80=99d never, ever start an argument? Who never shows a bit of temperament? Who's never wrong but always right? Who'd never dream of starting a fight? Who get stuck with all the bad luck? --=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/. .