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From: =?ISO-8859-1?Q?Hibou57_=28Yannick_Duch=EAne=29?=
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Newsgroups: comp.lang.ada
Subject: Re: Ada vs Eiffel - Ada programmer approach
Date: Tue, 9 Jun 2009 23:58:14 -0700 (PDT)
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On 8 juin, 21:37, Robert A Duff <bobd...@shell01.TheWorld.com> wrote:
> I have expressed the opinion that invariants and/or user-defined
> constraints should apply to subtypes, not just types. =A0Not everyone
> agrees.
I agree too
As subtypes have specific properties on value (it it is a subset),
specific constraints may come with it.