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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for papers about tagged types vs access to subprograms
Date: Sat, 11 May 2013 06:31:57 +0100
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Date: 2013-05-11T06:31:57+01:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> On Thu, 9 May 2013 16:33:55 -0500, Randy Brukardt wrote:
>
>> As usual, I pretty much totally disagree with your thinking here. The last
>> statement is trivially true, of course, but so what? A program has to be
>> built on top of a handful of "big" abstractions. And for each of those "big"
>> abstractions, there has to be a single type which takes the lead (probably
>> with a family of other types in support).
>
> Takes the lead, how? An abstraction including Employer, Employee, Factory,
> Salary, Time, Duration, Integer, Address, Gender, Age ... Who takes the
> "lead"?

Randy said there would be a handful of abstractions, not just one. Just
taking a guess here, but in this case those would probably be Employer,
Employee, and possibly Factory. I don't see how you can seriously
suggest that Integer is a candidate.