Re: Null Range in Unconstrasined Array

[sjw <simon.j.wright@mac.com>]

On Sep 9, 9:35 am, Stephen Leake <stephen_le...@stephe-leake.org>
wrote:
> Adam Beneschan <a...@irvine.com> writes:
> > To elaborate on this a bit further: Suppose you define a record type
> > for reading a file with Ada.Direct_IO, that looks something like this:
>
> >   type Employee_Data is record
> >       Name     : String (1 .. 50);
> >       Address1 : String (1 .. 40);
> >       Address2 : String (1 .. 40);
> >       City     : String (1 .. 30);
> >       State    : String (1 .. 2);
> >       ...
> >   end record;

> It _could_ depend on whether there's a pragma Pack, or a
> representation clause, for the record. In the absence of such, I would
> expect the compiler to treat these components the same way it treats
> separate objects. Which means I would expect the bounds to be stored
> with the object.

After leaving out the ..., GNAT allocates 162 bytes for this record
(no dope bytes). Also, if you stream it, it takes just 162 bytes on
the stream.