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From: Martin Krischik <krischik@users.sourceforge.net>
Newsgroups: comp.lang.ada
Subject: Re: ada and final/sealed classes
Date: Mon, 18 Oct 2004 09:46:37 +0200
Organization: AdaCL
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Date: 2004-10-18T09:46:37+02:00
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Hans Van den Eynden wrote:

> Hallo
> 
> I want to prevent that someone inherits from a type I made (for
> security purposes). I am a junior Ada programmer and I know this
> possible in Java (final class) and C# (sealed class). Is this also
> possible in Ada???

You could hide the tag:

package P

type T is private;

private

type T is tagged ...;

end P;

Of course it does not stop the determinted - since Ada private is C++
protected.

With Regards

Martin

-- 
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