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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: Generic formal access types
References: <3eb23fca$1@epflnews.epfl.ch>
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Date: 2003-05-02T16:18:20+00:00
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>declare
>    type Ptr is access Integer;
>    package Instance is new Generic_Package (Integer);
>    P : Ptr;
>...
>Here, P is of type "Ptr" and the function returns "Node_Content_Ptr".
>For the compiler to accept this, I will have to declare Ptr as "access
>all Integer" and do an explicit conversion:
Why not
 declare
     package Instance is new Generic_Package (Integer);
     subtype Ptr is Instance.Node_Content_Ptr;
     P : Ptr;