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Re: commas

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"Jongware" <jongware@no-spam.plz> wrote in message 
news:501691e6$0$6876$e4fe514c@news2.news.xs4all.nl...
> On 12-Jun-12 16:09 PM, bob wrote:
>> Are there any languages where you can actually use commas in the numbers?

> Is
>
> x = 5,00,000;
>
> a syntax error? Is
>
> x = 5,,000;
>
> a syntax error? Is
>
> x = 5,000.000,001;
>
> a syntax error?

If commas are allowed, then these can be warnings. That means you might end 
up getting the 5 million that was probably intended rather than 500,000.

> Anyway, *a* reason programming languages do not support this might be it's 
> quite unusual to have such large constants hardcoded. For any really large 
> numbers, one is more inclined to write
>
> 0x80000001
>
> than
>
> -2,147,483,647.

Sure, and one would write 0xF4240H instead of 1000000!

Even in your hex example, it's very easy to miss out one of those zeros.

-- 
Bartc 

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commas bob <bob@coolfone.comze.com> - 2012-06-12 07:09 -0700
  Re: commas Robert Wessel <robertwessel2@yahoo.com> - 2012-06-12 09:16 -0500
    Re: commas BGB <cr88192@hotmail.com> - 2012-06-12 09:53 -0500
    Re: commas "BartC" <bc@freeuk.com> - 2012-06-12 16:33 +0100
  Re: commas Paul Herber <paul@pherber.com> - 2012-06-12 15:37 +0100
    Re: commas Rui Maciel <rui.maciel@gmail.com> - 2012-06-12 16:14 +0100
  Re: commas "BartC" <bc@freeuk.com> - 2012-06-12 16:37 +0100
    Re: commas Rui Maciel <rui.maciel@gmail.com> - 2012-06-12 17:10 +0100
  Re: commas Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-06-12 09:32 -0700
    Re: commas Ben Pfaff <blp@cs.stanford.edu> - 2012-06-12 09:54 -0700
    Re: commas "BartC" <bc@freeuk.com> - 2012-06-12 18:05 +0100
      Re: commas Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-06-12 11:51 -0700
        Re: commas "BartC" <bc@freeuk.com> - 2012-06-12 20:36 +0100
          Re: commas Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-06-12 16:28 -0700
  Re: commas Thad Smith <ThadSmith@acm.org> - 2012-06-17 22:38 -0600
    Re: commas Robert Wessel <robertwessel2@yahoo.com> - 2012-06-18 00:02 -0500
      Re: commas blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2012-07-06 19:01 +0000
  Re: commas Jongware <jongware@no-spam.plz> - 2012-07-30 15:53 +0200
    Re: commas "BartC" <bc@freeuk.com> - 2012-07-30 15:50 +0100
      Re: commas "BartC" <bc@freeuk.com> - 2012-08-01 01:56 +0100
        Re: commas Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-08-01 03:31 +0100
    Re: commas rossum <rossum48@coldmail.com> - 2012-07-30 19:57 +0100
    Re: commas Fritz Wuehler <fritz@spamexpire-201207.rodent.frell.theremailer.net> - 2012-07-30 22:14 +0200
      Re: commas Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-07-30 23:00 +0100

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