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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
Date: 1999-03-07T00:00:00+00:00	[thread overview]
Message-ID: <Pine.A41.3.96-heb-2.07.990307123353.151694A-100000@pluto.mscc.huji.ac.il> (raw)
In-Reply-To: m33e3o6tto.fsf@mheaney.ni.net

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





  parent reply	other threads:[~1999-03-07  0:00 UTC|newest]

Thread overview: 128+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <F7JoCB.JxB@syd.csa.com.au>
1999-02-24  0:00 ` Can't export object of private type Don Harrison
1999-02-24  0:00   ` Tom Moran
1999-02-24  0:00   ` Samuel Mize
1999-02-24  0:00     ` Tucker Taft
1999-02-25  0:00     ` Don Harrison
1999-02-25  0:00       ` Samuel Mize
1999-02-26  0:00         ` Don Harrison
1999-02-27  0:00           ` Nick Roberts
1999-03-01  0:00             ` Don Harrison
1999-03-02  0:00               ` Matthew Heaney
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` Matthew Heaney
1999-03-01  0:00                 ` Nick Roberts
1999-03-01  0:00               ` Nick Roberts
1999-03-01  0:00                 ` Don Harrison
1999-03-02  0:00                   ` Matthew Heaney
1999-03-03  0:00                     ` Don Harrison
1999-03-03  0:00                       ` Samuel Mize
1999-03-04  0:00                         ` Don Harrison
1999-03-07  0:00                     ` Ehud Lamm [this message]
1999-03-03  0:00               ` Robert A Duff
1999-03-04  0:00                 ` Don Harrison
1999-03-04  0:00                   ` Robert A Duff
1999-02-28  0:00         ` Matthew Heaney
1999-03-01  0:00           ` Samuel Mize
1999-03-01  0:00           ` Nick Roberts
1999-03-01  0:00             ` Matthew Heaney
1999-03-02  0:00               ` Nick Roberts
1999-03-01  0:00             ` Matthew Heaney
1999-02-25  0:00       ` fraser
1999-02-26  0:00         ` Don Harrison
1999-02-26  0:00           ` Samuel Mize
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` Matthew Heaney
1999-03-02  0:00               ` fraser
1999-03-03  0:00                 ` Don Harrison
1999-02-26  0:00           ` fraser
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` Matthew Heaney
     [not found]           ` <7b6nqe$75m$1@remarq.com>
1999-02-26  0:00             ` fraser
1999-02-27  0:00               ` Nick Roberts
1999-02-28  0:00           ` Matthew Heaney
1999-02-28  0:00         ` Matthew Heaney
1999-02-25  0:00       ` robert_dewar
1999-02-26  0:00         ` Don Harrison
1999-02-26  0:00           ` robert_dewar
1999-02-26  0:00             ` dennison
1999-02-26  0:00             ` bourguet
1999-02-26  0:00               ` Samuel T. Harris
1999-02-27  0:00                 ` Jean-Pierre Rosen
1999-02-27  0:00                 ` Simon Wright
1999-02-28  0:00               ` dewar
1999-03-01  0:00                 ` bourguet
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` robert_dewar
1999-03-03  0:00                 ` Don Harrison
1999-03-03  0:00                   ` robert_dewar
1999-03-01  0:00             ` Stephen Leake
1999-02-27  0:00         ` Brian Rogoff
1999-03-01  0:00           ` robert_dewar
1999-02-28  0:00       ` Matthew Heaney
1999-03-01  0:00       ` Tom Moran
1999-03-02  0:00         ` Matthew Heaney
1999-03-02  0:00           ` Tom Moran
1999-03-02  0:00             ` Matthew Heaney
1999-03-02  0:00               ` Tom Moran
1999-03-02  0:00                 ` Matthew Heaney
1999-03-02  0:00                   ` nabbasi
1999-03-02  0:00                     ` Matthew Heaney
1999-03-03  0:00                   ` Don Harrison
1999-03-03  0:00                     ` Single Extension; Polymorphic Arrays Nick Roberts
1999-03-03  0:00                       ` Nick Roberts
1999-03-08  0:00                         ` Matthew Heaney
1999-03-08  0:00                           ` Nick Roberts
1999-03-08  0:00                           ` Tucker Taft
     [not found]                             ` <m3ogm40wav.fsf@mheaney.ni.net>
1999-03-08  0:00                               ` Tucker Taft
1999-03-08  0:00                                 ` dennison
1999-03-09  0:00                                 ` Nick Roberts
1999-03-08  0:00                               ` Nick Roberts
1999-03-03  0:00               ` Can't export object of private type Don Harrison
1999-03-03  0:00                 ` Don Harrison
1999-03-03  0:00                   ` Nick Roberts
1999-03-04  0:00                     ` Don Harrison
1999-03-04  0:00                       ` fraser
1999-03-09  0:00                         ` Don Harrison
1999-03-04  0:00                       ` Nick Roberts
1999-03-04  0:00                         ` robert_dewar
1999-03-05  0:00                           ` Nick Roberts
1999-03-05  0:00                         ` Robert A Duff
1999-03-05  0:00                           ` Abstract Subprograms of Untagged Types Nick Roberts
1999-03-05  0:00                             ` Tucker Taft
1999-03-05  0:00                               ` Nick Roberts
1999-03-06  0:00                               ` robert_dewar
1999-03-05  0:00                             ` robert_dewar
1999-03-04  0:00                       ` Can't export object of private type Nick Roberts
1999-03-08  0:00                         ` Matthew Heaney
1999-03-09  0:00                         ` Don Harrison
1999-03-09  0:00                           ` Matthew Heaney
1999-03-09  0:00                             ` Nick Roberts
1999-03-10  0:00                             ` Don Harrison
1999-03-10  0:00                               ` Matthew Heaney
1999-03-08  0:00                     ` Matthew Heaney
1999-03-08  0:00                       ` Nick Roberts
1999-03-08  0:00                 ` Matthew Heaney
1999-03-10  0:00                   ` Don Harrison
1999-03-10  0:00                     ` Matthew Heaney
1999-03-10  0:00                       ` dennison
1999-03-10  0:00                         ` Robert A Duff
1999-03-10  0:00                           ` robert_dewar
1999-03-10  0:00                           ` dennison
1999-03-11  0:00                             ` dennison
1999-03-10  0:00                         ` robert_dewar
1999-03-10  0:00                           ` dennison
1999-03-10  0:00                             ` robert_dewar
1999-03-10  0:00                               ` dennison
1999-03-11  0:00                                 ` robert_dewar
1999-03-11  0:00                                   ` Don Harrison
1999-03-12  0:00                                     ` robert_dewar
1999-03-11  0:00                                 ` bill
1999-03-11  0:00                                   ` Scott Ingram
1999-03-11  0:00                                     ` Larry Kilgallen
1999-03-11  0:00                                   ` dennison
1999-03-12  0:00                                   ` dewar
1999-03-11  0:00                                 ` dennison
1999-03-11  0:00                           ` Don Harrison
1999-03-03  0:00           ` Don Harrison
1999-02-28  0:00     ` Matthew Heaney
1999-02-28  0:00   ` Matthew Heaney
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