220 26397 <1550791.ovymrLsGO4@tjmaciei-mobl1> article Path: news.gmane.org!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: iswalpha and locales Date: Sat, 25 Jun 2016 21:07:51 -0700 Lines: 50 Approved: news@gmane.org Message-ID: <1550791.ovymrLsGO4@tjmaciei-mobl1> References: <5057e854-b2ea-4c39-81c7-367bc3e54080@isocpp.org> <84d2b9e6-a29b-4c79-8646-2f00dbc5087b@isocpp.org> 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 1466914086 19068 80.91.229.3 (26 Jun 2016 04:08:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Jun 2016 04:08:06 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBHFKXW5QKGQEFFORWTQ@isocpp.org Sun Jun 26 06:07:59 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-lf0-f71.google.com ([209.85.215.71]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bH1MU-0001sm-IR for gclcip-std-proposals@m.gmane.org; Sun, 26 Jun 2016 06:07:58 +0200 Original-Received: by mail-lf0-f71.google.com with SMTP id l184sf99282358lfl.3 for ; Sat, 25 Jun 2016 21:07:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:user-agent:in-reply-to:references :mime-version:content-transfer-encoding:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=vtE0MR3BVeqKzUx4Vt4cRxDjvds8fCBy44L4dnxlFTo=; b=hyfSMSfBEd2VcE1Lq6yNxMC+Tbh0Up9Sbw/UPbfAf+4ZHlXQhxkDYk4W+hdhds7l3k hS2lB/cC29dDINQIaweHMrKVfFlqpsS4kk1J7KcO7hs0hrrDrdPOyZRbeJ7hwSSBdMYD 1hO3bPslDZgl+WdxRpvrTAm9S7CgUNJUTlsFTYxrjBVclv2SrE4JqAHEmScVl5g/+xNb hVvqe+3kVyBqzhfof4/0jzVNCc8tCiYnsg0Fn0wg+lmkIx8eo2Jvn3EjGZHoNqobmD3V dmGKulC46eObP/OfpBzuYYFWq3VKNyV/AhoTdy3sP5hEfNo0aUyMqCvrkI/kFQW+oxRA X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-transfer-encoding :x-original-sender:x-original-authentication-results:reply-to :precedence:mailing-list:list-id:x-spam-checked-in-group:list-post :list-help:list-archive:list-subscribe:list-unsubscribe; bh=vtE0MR3BVeqKzUx4Vt4cRxDjvds8fCBy44L4dnxlFTo=; b=WxFL8oBmWG0hB7dLTnAk8boZMQEljAJDQLUTUa7eA1kDL720wlO5Ya4TbO0J0cHQRB LgbgQz3VWNP5v0coUSRW/fjkqMg74KidVg/Ir2XqFMN0d52tx1c/ZxB21tVNgB7syi5B khe7mom3Kp80M2JsnxfOSgOkg5au9fadIpWHUYMfdtIeoPYskZfBUZuHRoby+8eyK6Ra QJ+uNvpRNFi6805by5ZDEq32SVAzCD5cEPEZ/cmAUaHiOK7GnU85qfGN56XW6s7uWqEf r8PmhP63XrkRg8i+ReUJzfFesOBdDiz/J7LQAarD9zL14mSeN4nsm6rqbBlWje+JbEM3 X-Gm-Message-State: ALyK8tLgnvvuPKMOeMxGv83XhbFL2E3AOGd+NEJBmGJN39LA0elWAtQoDzX2S1WUdmFc9A== X-Received: by 10.28.46.4 with SMTP id u4mr767272wmu.6.1466914076815; Sat, 25 Jun 2016 21:07:56 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.28.63.81 with SMTP id m78ls380863wma.21.gmail; Sat, 25 Jun 2016 21:07:55 -0700 (PDT) X-Received: by 10.28.69.134 with SMTP id l6mr4842128wmi.80.1466914075655; Sat, 25 Jun 2016 21:07:55 -0700 (PDT) Original-Received: from gondolin.macieira.info (gondolin.macieira.info. [78.47.120.188]) by mx.google.com with ESMTP id s130si5274477wmf.67.2016.06.25.21.07.55 for ; Sat, 25 Jun 2016 21:07:55 -0700 (PDT) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) client-ip=78.47.120.188; Original-Received: from tjmaciei-mobl1.localnet (unknown [IPv6:2601:1c0:5803:81c9:4404:8260:60ba:e69a]) by gondolin.macieira.info (Postfix) with ESMTPSA id 9E4EA11BC4D for ; Sat, 25 Jun 2016 21:07:53 -0700 (PDT) User-Agent: KMail/5.2.2 (Linux/4.6.2-1-default; KDE/5.23.0; x86_64; ; ) In-Reply-To: X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) smtp.mailfrom=thiago@macieira.org 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:26397 Archived-At: On s=C3=A1bado, 25 de junho de 2016 20:29:50 PDT asorenji@gmail.com wrote: > Yes, there are ways to make them smaller. But this no way to make them > *faster*. Sacrifice time for saving 100KB? We not load programs from flop= py > > anymore, we have gigabytes of RAM and at least gigabytes of disk space.= In No, we don't. There are many modern microcontroller-class CPUs with less th= an=20 1 MB of flash and a around a hundred kilobytes of RAM, or less. Why shouldn= 't=20 we program them with C++? Another reason is that often the library gets supplied with the executable.= =20 Once we load the entire set of Unicode tables for all attributes, it may be= =20 well over a megabyte. In fact, the ICU data table is an 18 MB library. That= =20 means your small 100-line C++ program is at least that big. I don't mean to discourage you. I do think we need some more Unicode suppor= t=20 in the standard library, like better conversion functions from the current= =20 locale to UTF-16 and 32. Qt has provided that for 15 years, so why not the= =20 standard library? > > Also, there is no guarantee that `wint_t` can store a Unicode codepoint= , > > so that API isn't reasonable. If you're serious about Unicode support, = you > > need to focus on the types that actually store Unicode encodings. >=20 > Okay, char32_t. --=20 Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org Software Architect - Intel Open Source Technology Center --=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/1550791.ovymrLsGO4%40tjmaciei-mobl1. .