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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Ada Successor Language
Date: Wed, 27 Jun 2018 09:07:47 +0200
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Xref: reader02.eternal-september.org comp.lang.ada:53366
Date: 2018-06-27T09:07:47+02:00
List-Id: <comp.lang.ada>

On 2018-06-26 23:15, Niklas Holsti wrote:

> Perhaps the suggestions for untagged record extension and class-wide 
> types rooted in untagged types are not exactly building blocks -- I 
> don't now see how tagged types could be built from such blocks -- but at 
> least they are in same spirit.

I think it could be possible, if we considered the tag of a tagged type 
as a discriminant.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de