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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Making guarantees about record components
Date: Wed, 20 Nov 2013 09:01:15 +0100
Organization: cbb software GmbH
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Date: 2013-11-20T09:01:15+01:00
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On Tue, 19 Nov 2013 15:38:37 -0800 (PST), Shark8 wrote:

> At the very least M ought to be constant.

Yes, that the problem with the concept. A true invariant need not and does
not hold within a method. It holds only outside it.

When simply thrown at the object representation in the form of an arbitrary
constraint it does not work beyond simple examples.

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