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From: "David Botton" <David@Botton.com>
Subject: Re: Access to classwide type
Date: 2000/07/24
Message-ID: <xtPe5.19463$T5.28006@east2.usenetserver.com>#1/1
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References: <8lfuof$ipb$1@nnrp1.deja.com>
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Newsgroups: comp.lang.ada
Date: 2000-07-24T00:00:00+00:00
List-Id: <comp.lang.ada>

package Pk1 is
   type T is abstract tagged private;
   type T_Ptr is access T'Class;

private
   type T is abstract tagged null record;
end Pk1;

with Ada.Unchecked_Deallocation;
with Pk1; use Pk1;

procedure Alloc is
   procedure Free_Object is
      new Ada.Unchecked_Deallocation (T'Class, T_Ptr);
begin
   null;
end Alloc;



<reason67@my-deja.com> wrote in message news:8lfuof$ipb$1@nnrp1.deja.com...
> I have what may be a really simple question.
>
> If I have:
>
> type T is abstract tagged private;
> type T_Ptr is access T'Class;
>
> How do I deallocate the memory for values in an array of T_Ptr's?
>
> Is it as simple as creating an instantiation of ada.unchecked_conversion
> with T'Class and T_Ptr? That seems wrong to me as the various extentions
> to T are not known at compile time, but I may be wrong about this.
>
> Any help would be appreciated.
> ---
> Jeffrey Blatt
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
>