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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: How come Ada isn't more popular?
Date: Mon, 12 Feb 2007 09:23:18 -0500
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Date: 2007-02-12T09:23:18-05:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> * Ideally, when deriving the programmer should be able to specify his
> intent: whether the new type is equivalent, a generalization (extension), a
> specialization (constraining) or both/neither. 

I've been thinking the same thing.  What language has that capability?

- Bob