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References: <E18jGE0-0003dI-00@porton.narod.ru>
From: porton@ex-code.com (Victor Porton)
Subject: Re: Pitfall: freeing access discriminants
Newsgroups: comp.lang.ada
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Date: Thu, 13 Feb 2003 17:07:59 +0500
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Date: 2003-02-13T13:32:25+00:00
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In article <E18jGE0-0003dI-00@porton.narod.ru>,
	porton@ex-code.com (Victor Porton) writes:
> type Integer_Access is access Integer;
> 
> type T(D: access Integer) is Ada.Limited_Controlled with null record;
> 
> procedure Finalize(Object: in out T) is
>   -- Error: cannot convert access discriminant to non-local access type
>   D: Integer_Access := Integer_Access(Object.D);
> begin
>   Free(D);
> end;
> 
> What to do? It seems being a serious deficiency in Ada or there are a 
> workaround?

I found a solution myself:

Base: Base_Element_Access := Object.Base.all'Unchecked_Access;