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Newsgroups: comp.lang.ada
Date: Tue, 3 Apr 2018 04:29:28 -0700 (PDT)
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Subject: Re: changing rules for anonymous access types to named ones
From: Jean-Claude Rostaing <00120260a@gmail.com>
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Xref: reader02.eternal-september.org comp.lang.ada:51315
Date: 2018-04-03T04:29:28-07:00
List-Id: <comp.lang.ada>

>     type My_Custom_Integer is new Integer'Interface with record
>        -- Whatever I see appropriate to represent integer
>     end record;
>     -- overriding all operations, since they are inherited abstract
If you want a view conversion INTEGER(any_type_inheriting_INTEGER'Interface) to works, you should also inheriting also all attributes of Integer, or of any numeric type which providing the interface ?
But I suppose your model could work if you were to limit 'Interface to tagged types, records tasks and protected types.