220 26399 <84d2f2a0-0fc4-4526-9826-8062bb443869@isocpp.org> article Path: news.gmane.org!not-for-mail From: asorenji@gmail.com Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: iswalpha and locales Date: Sat, 25 Jun 2016 22:39:16 -0700 (PDT) Lines: 115 Approved: news@gmane.org Message-ID: <84d2f2a0-0fc4-4526-9826-8062bb443869@isocpp.org> References: <5057e854-b2ea-4c39-81c7-367bc3e54080@isocpp.org> <84d2b9e6-a29b-4c79-8646-2f00dbc5087b@isocpp.org> <1550791.ovymrLsGO4@tjmaciei-mobl1> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_3024_1183186347.1466919556788" X-Trace: ger.gmane.org 1466919560 22751 80.91.229.3 (26 Jun 2016 05:39:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Jun 2016 05:39:20 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDSYF7ODTYPBBBOVXW5QKGQERG6NW7A@isocpp.org Sun Jun 26 07:39:20 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-oi0-f69.google.com ([209.85.218.69]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bH2mt-0000oL-Rs for gclcip-std-proposals@m.gmane.org; Sun, 26 Jun 2016 07:39:20 +0200 Original-Received: by mail-oi0-f69.google.com with SMTP id u81sf202889999oia.3 for ; Sat, 25 Jun 2016 22:39:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=+JvtUmvaqHjaeLaX50DY/NlJRUmFX5gBQzi4NNG4ByU=; b=E95OoKfAh4PFfz7fD3TSlR0/t/yHfW55HHqHZAVs7tz5Pci3XJIR/UbdJOoa5OKWHU l9h8w+P9l4NkOkU062sdfp1KrIBFUjNjDhbMk0HjeuUhrKeVGSNQNekROuxm7UfWC3kO mbJUkzjCb/N+IgI9RPcSxZNWtsmfU9uvROzil3GH+Yms/2zbxoPKYu/Ak8aOvoiHc1bF 6cm4SBsK8l+HrjLGI8vlfOUx179t2FBjkIdVVdO2Uh20gKUQDQHbA6fls4EJSdyubfbw 34scg1UMSKRZDbIwppjDOHwHC76lIPXbjXPCavOPH5TG8ZwydHNVbwNQ9sax+8zjPwOX EsyQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=+JvtUmvaqHjaeLaX50DY/NlJRUmFX5gBQzi4NNG4ByU=; b=ENVDbJO80gVzDrySriBa0Qaby+PVKwgifrunpydbXTDyXLhVaqch/BgfoP/raH3kZU iylWzBphrMI5Empp8C1O83US+EtogzXy2wU1iBSajtaxyAPepuO5IBlOzo8yw3/peWVt EG/fQev04d63M06JVIUv5WbtQTeDpT4lWa5D62X+MMPD9oRT8LChjerruBwnFv7tFT2A wswDu2hm9Vp2z6gtkvzAlkLDtx5Fug9nhh+doSAoiWQr/OS0Lqs9q4ca4p0Mh55wGl/Z z8nQj/f9QqnLZF3DTgDSaL1QDNUBC/W+u+dLHTK9Fyp+c/j5Wp4hYbo8nS42w/Q/OSxN N8LQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version:x-original-sender:reply-to:precedence :mailing-list:list-id:x-spam-checked-in-group:list-post:list-help :list-archive:list-subscribe:list-unsubscribe; bh=+JvtUmvaqHjaeLaX50DY/NlJRUmFX5gBQzi4NNG4ByU=; b=bcvTJ1/6T3zB5o7NEFYde7IdJXbKHr7ZgEHrTjsHZPzd8u73n6R0pQtcoB/HnFqQxh K6LL2nARpORiVr+hGnaC2DMMRsAZ3wCam8Gy6P0EpPKaRFojJr394KIfwXKDV9098IhU 0cC6LFvRXTABOxGwJWrdAMvXynAFF8jk/+9Ihf0SIGmC+HgBQwCvJdr0t/J2R8uASM5C R8LtPwSWeVOJ90UGxc54BHG2c0Xds4NMulTcleUDC3cDumbQx4pdrNcv1h5e5oW/23lZ CjNEGuQ3JUXR28sLy4nmKZw/zG0FsTmggXHmN/dg6LIOKVCKojEkcUuMUZbZPt15nPzN ZKWw== X-Gm-Message-State: ALyK8tKVPTuIyr8WxzSnB8g8Jvz+ibprfoKISJknkBpgeiOvSNcgrp3naLrfCBw9xWU2QQ== X-Received: by 10.157.29.186 with SMTP id y55mr11346059otd.30.1466919558751; Sat, 25 Jun 2016 22:39:18 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.107.182.212 with SMTP id g203ls133863iof.105.gmail; Sat, 25 Jun 2016 22:39:17 -0700 (PDT) X-Received: by 10.36.40.146 with SMTP id h140mr132397ith.1.1466919557746; Sat, 25 Jun 2016 22:39:17 -0700 (PDT) In-Reply-To: <1550791.ovymrLsGO4@tjmaciei-mobl1> X-Original-Sender: AsoRenji@gmail.com 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:26399 Archived-At: ------=_Part_3024_1183186347.1466919556788 Content-Type: multipart/alternative; boundary="----=_Part_3025_633136772.1466919556788" ------=_Part_3025_633136772.1466919556788 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable =D0=B2=D0=BE=D1=81=D0=BA=D1=80=D0=B5=D1=81=D0=B5=D0=BD=D1=8C=D0=B5, 26 =D0= =B8=D1=8E=D0=BD=D1=8F 2016 =D0=B3., 7:07:57 UTC+3 =D0=BF=D0=BE=D0=BB=D1=8C= =D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C Thiago Macieira=20 =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB: > > > No, we don't. There are many modern microcontroller-class CPUs with less= =20 > than=20 > 1 MB of flash and a around a hundred kilobytes of RAM, or less. Why=20 > shouldn't=20 > we program them with C++?=20 > > Because microcontroller-class CPUs can't grant hardware support for=20 std::thread, std::mutex, etc. Also, I'm don't think this support present=20 in microcontroller OS (if microcontroller have any). Yes, std::thread and iswalpha - different things. But if you write program= =20 for microcontroller, you should be preprepared for some restricts and=20 forget about full C++11 support. 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= =20 > be=20 > well over a megabyte. In fact, the ICU data table is an 18 MB library.=20 > That=20 > means your small 100-line C++ program is at least that big.=20 > > In that case my program bloat by 18 MB only if I'm use isu32alpha. In=20 other case smart compiler can remove code of unused function. But if I'm=20 use isu32alpha, I'm need normal unicode support. I'm don't need defective= =20 wide character function, that can't work with 128+ (wide) character codes.= =20 If price of normal support is 18 MB, so be it. --=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/84d2f2a0-0fc4-4526-9826-8062bb443869%40isocpp.or= g. ------=_Part_3025_633136772.1466919556788 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


=D0=B2=D0=BE=D1=81=D0=BA=D1=80=D0=B5=D1=81=D0=B5= =D0=BD=D1=8C=D0=B5, 26 =D0=B8=D1=8E=D0=BD=D1=8F 2016 =D0=B3., 7:07:57 UTC+3= =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C T= hiago Macieira =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:

No, we don't. There are many modern mic= rocontroller-class CPUs with less than=20
1 MB of flash and a around a hundred kilobytes of RAM, or less. Why sho= uldn't=20
we program them with C++?

Because=C2=A0microcontroller-class CPUs can't gra= nt=C2=A0hardware support for std::thread, std::mutex, etc. Also, I'm do= n't think this support present in=C2=A0microcontroller OS (if=C2=A0micr= ocontroller have any).
Yes, std::thread and iswalpha - different = things. But if you write program for microcontroller, you should be preprep= ared for some restricts and forget about full C++11 support.

=
Another reason is that o= ften the library gets supplied with the executable.=20
Once we load the entire set of Unicode tables for all attributes, it ma= y 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.

In that case my program bloat by 18 MB only if I'= m use isu32alpha. In other case smart compiler can remove code of unused fu= nction. But if I'm use isu32alpha, I'm need normal unicode support.= I'm don't need defective wide character function, that can't w= ork with 128+ (wide) character codes. If price of normal support is 18 MB, = so be it.

--
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To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposa= ls+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/84d2f2a0-0fc4-4526-9826-8062bb443869= %40isocpp.org.
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