220 26396 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 20:29:50 -0700 (PDT) Lines: 110 Approved: news@gmane.org Message-ID: References: <5057e854-b2ea-4c39-81c7-367bc3e54080@isocpp.org> <5458114.SXJFP9uSZR@tjmaciei-mobl1> <7091420.GCog6ZeHg6@tjmaciei-mobl1> <7f783407-0c3c-4381-a852-dfd12bc450d1@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: multipart/mixed; boundary="----=_Part_3236_51026223.1466911791000" X-Trace: ger.gmane.org 1466911801 23913 80.91.229.3 (26 Jun 2016 03:30:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Jun 2016 03:30:01 +0000 (UTC) Cc: asorenji@gmail.com To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDSYF7ODTYPBBMEYXW5QKGQEQUMBIKI@isocpp.org Sun Jun 26 05:29:55 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-it0-f71.google.com ([209.85.214.71]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bH0ld-0006At-Ua for gclcip-std-proposals@m.gmane.org; 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Sat, 25 Jun 2016 20:29:52 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.36.61.72 with SMTP id n69ls575844itn.28.canary; Sat, 25 Jun 2016 20:29:51 -0700 (PDT) X-Received: by 10.36.103.134 with SMTP id u128mr135912itc.5.1466911791890; Sat, 25 Jun 2016 20:29:51 -0700 (PDT) In-Reply-To: <84d2b9e6-a29b-4c79-8646-2f00dbc5087b@isocpp.org> 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:26396 Archived-At: ------=_Part_3236_51026223.1466911791000 Content-Type: multipart/alternative; boundary="----=_Part_3237_1608851807.1466911791001" ------=_Part_3237_1608851807.1466911791001 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., 3:04:31 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 Nicol Bolas=20 =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB: > > > ... Have you looked at the Unicode tables? They are not small. Like I=20 > said, there are ways to make them smaller (and your code makes them far= =20 > bigger than necessary, since only ~15% of the codepoint range is assigned= ).=20 > But there is no proof-of-concept that shows that it won't bloat executabl= es=20 > by 100KB. > > Yes, there are ways to make them smaller. But this no way to make them=20 *faster*. Sacrifice time for saving 100KB? We not load programs from floppy= =20 anymore, we have gigabytes of RAM and at least gigabytes of disk space. In= =20 modern word 100KB insignificant sacrifice for speed. In any case, in=20 desktop, executables get C-function implementations from libc6-dev package= =20 in Linux or from User32.dll in Windows. If Linux or Windows bloat by 100KB,= =20 you even can't notice this. PS *single* std::regex bloat executables by 100KB=20 .=20 I'm think we must remove std::regex from C++11 standard library. > Also, there is no guarantee that `wint_t` can store a Unicode codepoint,= =20 > so that API isn't reasonable. If you're serious about Unicode support, yo= u=20 > need to focus on the types that actually store Unicode encodings. > Okay, char32_t.=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. To view this discussion on the web visit https://groups.google.com/a/isocpp= ..org/d/msgid/std-proposals/f8ce2288-8e06-41ad-8e58-0082d9d9982a%40isocpp.or= g. ------=_Part_3237_1608851807.1466911791001 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., 3:04:31 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 N= icol Bolas =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:

... Have you looked at the Uni= code tables? They are not small. Like I said, there are ways to make them s= maller (and your code makes them far bigger than necessary, since only ~15%= of the codepoint range is assigned). But there is no proof-of-concept that= shows that it won't bloat executables by 100KB.

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 floppy anymore, we have gigabytes of RAM and at least gigabyt= es of disk space. In modern word 100KB insignificant sacrifice for speed. I= n any case, in desktop, executables get C-function implementations from lib= c6-dev package in Linux or from User32.dll in Windows. If Linux or Windows = bloat by 100KB, you even can't notice this.
PS single= std::regex bloat executables by 100KB. I'm= think we must remove std::regex from C++11 standard library.
Also, there is n= o guarantee that `wint_t` can store a Unicode codepoint, so that API isn= 9;t reasonable. If you're serious about Unicode support, you need to fo= cus on the types that actually store Unicode encodings.
Okay, char32_t.=C2=A0

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