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From: Ehud Lamm <mslamm@mscc.huji.ac.il>
Subject: Re: Can't export object of private type
Date: 1999/03/07
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Newsgroups: comp.lang.ada
Date: 1999-03-07T00:00:00+00:00
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On Tue, 2 Mar 1999, Matthew Heaney wrote:

> In a typical Adaapplication, some abstractions are implemented as state
> machine packages, and some abstractions are implemented as instances of
> an abstract data type.  There is nothing odd or unnatural about this.

Hear hear!

It may be noted that this differentiation between ADO and ADTs is one of
Ada's advantages when it comes to abstraction. 

Somehow this distinction is lost by most OOP practitioners - only to be
rediscovered as the singleton pattern.

Ehud Lamm     mslamm@pluto.mscc.huji.ac.il
http://www2.cybericites.com/e/ehud  <== START HERE
http://www2.cybercities.com/e/ehud/ada <== Ada and SE stuff