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From: "Nasser M. Abbasi" <nma@12000.org>
Newsgroups: comp.lang.ada
Subject: Re: fyi, very interesting Ada paper OOP vs. Readability
Date: Mon, 21 May 2012 14:21:59 -0500
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Date: 2012-05-21T14:21:59-05:00
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On 5/21/2012 1:53 PM, Dmitry A. Kazakov wrote:

>
>> type is builded from set's.
>
> Certainly not. Which type is {-3, 'a', Pi, Employee}? A type cannot be
> inferred from its values domain set.

It is clear that this is the case, one only needs to refer to the
definition of a type, as I remember learning it in class. Something
along the lines:

  a type is a set of values AND operations on these values.

Values alone can't define a 'type'. One needs to also define what
operations are allowed on these values to have complete type defined.

(at least this is what the teacher told us)

So, I agree with you here.

--Nasser