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From: tmoran@bix.com (Tom Moran)
Subject: Re: limited/non-limited in Ada95
Date: 1997/10/19
Message-ID: <344a4329.812635@SantaClara01.news.InterNex.Net>#1/1
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Date: 1997-10-19T00:00:00+00:00
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>type DT is ...;
>type DT_Access is access all DT;

>type T (D : DT_Access) is private;

>You can then use Unchecked_Access:

>declare
>   D : aliased DT;
>   O : T (D'Unchecked_Access);
>begin
Could you expand on that, I'm confused.  I'd like 
   -- existing type T is limited, tagged
  type Newer(X:in some_access_type) is new T with ...

Another problem is that once a tagged type is non-limited, no
extension can be, or have components that are,llimited.