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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Private extension of a synchronized interface
Date: Mon, 18 Feb 2019 08:29:45 +0000
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Date: 2019-02-18T08:29:45+00:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> You never need dispatch. When a type is derived it inherits all
> primitive operations regardless overridings.
>
> 1. The type Instance in your example has p1
>
> 2. Since Instance is not abstract p1 of Instance cannot be abstract.
>
> Therefore x.p1 must be legal.
>
> The actual behavior is certainly a bug in the language or in the
> compiler or in both.

You ought to distinguish between behaviour you disapprove of and
behaviour which is illegal in Ada-as-it-is when people are sking for
help with a current problem.