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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for papers about tagged types vs access to subprograms
Date: Sat, 11 May 2013 09:22:18 +0200
Organization: cbb software GmbH
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Date: 2013-05-11T09:22:18+02:00
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On Sat, 11 May 2013 06:31:57 +0100, Simon Wright wrote:

> "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.

In a program, but in a package, he said, there should be just one. Which is
a nonsense to me.

> 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.

What is wrong with Integer? I also asked for a measure. My suggestion is
that the measure he implicitly uses is the man-hours invested in the coding
the type in question! 

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