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From: Simon Wright <simon@pogner.demon.co.uk>
Subject: Re: Yet another stupid language war (was: ... the only languages you
 need!!)
Date: 1997/11/02
Message-ID: <x7vg1pfilr5.fsf@pogner.demon.co.uk>#1/1
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References: <34557f2b.1934172@news.mindspring.com>
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Newsgroups: comp.lang.ada,comp.lang.c,comp.lang.c++,comp.lang.pascal.misc
Date: 1997-11-02T00:00:00+00:00
List-Id: <comp.lang.ada>


Dr John Stockton <jrs@merlyn.demon.co.uk> writes:

> In article <01bce627$82afbec0$400d6dce@my-pc.neosoft.com> of Fri, 31 Oct
> 1997 18:05:12 in comp.lang.pascal.ansi-iso, Pat Rogers <progers@acm.org>
> wrote:
> >  It is a shame that one cannot specify the range of an
> >integer type, or the accuracy of a floating point type in C, for the sake
> >of portability.  It is nice to have the compiler tell you that your
> >application requirements cannot be met, rather than not knowing unless a
> >(possibly obscure) bug is detected.
> 
> There are tricks in Pascal, which might adapt to Ada or C/C++ -

Who needs tricks?

pogner[8]$ cat sizes.ads
package Sizes is
  type T is range -32768 .. 32768;
  for T'Size use 16;
end Sizes;
pogner[9]$ gcc -c -gnatc sizes.ads
sizes.ads:3:18: size for "T" too small, minimum allowed is 17

-- 
Simon Wright                        Work Email: simon.j.wright@gecm.com
GEC-Marconi Radar & Defence Systems            Voice: +44(0)1705-701778
Command & Information Systems Division           FAX: +44(0)1705-701800