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From: Robert Dewar <dewar@gnat.com>
Subject: Re: allocators for classwide types?
Date: 2000/01/07
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In article <wccln63xpf5.fsf@world.std.com>,
  Robert A Duff <bobduff@world.std.com> wrote:
> Ted Dennison <dennison@telepath.com> writes:
>
> >    function Get (Package_1 : in Package_1.Class;
> >                  F2 : in Package_2.Class
> >                 ) return Descriptor;
>
> This is illegal.  The parameter Package_1 hides the package
Package_1,
> so you can't say "Package_1.Class" in the declaration of the
parameter.
>
> If the error message was confusing, then maybe that's a bug,
but
> certainly the compiler should give *some* error message.


GNAT would say here:

j.ads:8:30: formal parameter "Package_1" cannot be used before
            end of specification


which seems clear enough!

Robert Dewar
Ada Core Technologies


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