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From: Cyrille <comar@eu.adacore.com>
Newsgroups: comp.lang.ada
Subject: Re: Preventing type extensions
Date: Tue, 21 Sep 2010 07:44:51 -0700 (PDT)
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On Sep 21, 4:19=A0pm, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
wrote:
>
> It is a distinction between a member and a set where it belongs to. These
> are not equivalent.

not sure what you call "set" in this context... probably not the
container of the same name ;-)

>  Furthermore a type may be member of more than one
> classes (sets of types). Also an operation may be primitive in more than
> one class (AKA multiple dispatch).

in Ada? can you show an example?

> > A horse is an animal...
>
> But animal is not necessary a horse.
>

right. so?