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From: dewar@cs.nyu.edu (Robert Dewar)
Subject: Re: An observation of Ada (may offend)
Date: 21 Mar 1995 16:05:14 -0500
Date: 1995-03-21T16:05:14-05:00	[thread overview]
Message-ID: <3knf2a$e9t@gnat.cs.nyu.edu> (raw)
In-Reply-To: 1995Mar20.103925@lglsun.epfl.ch

Robb Nebbe says that hiding is all or nothing. That seems quite wrong. 
That's like saying a fence in real life is either not there or is 
impregnable.

A hidden interface in a language environment is exactly analogous to the
fence. But any fence can be knocked down if you have a bulldozer.

One bull-dozer in Ada is unchecked conversion, which definitely allows
you to blow away the hiding of anything, including private parts if you
know enough! In C++ it is even easier, because you can play with pointers
so easily.




  reply	other threads:[~1995-03-21 21:05 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1995-03-17  9:27 An observation of Ada (may offend) R.A.L Williams
1995-03-17 15:23 ` Robb Nebbe
1995-03-17 17:08 ` Norman H. Cohen
1995-03-20  3:23   ` S. Tucker Taft
1995-03-20 10:13   ` Robb Nebbe
1995-03-21 21:05     ` Robert Dewar [this message]
1995-03-20 16:15   ` Robert I. Eachus
1995-03-21 19:47     ` Norman H. Cohen
1995-03-22  1:28       ` David Weller
1995-03-23  5:47       ` Robert Dewar
1995-03-23 16:38         ` Robert I. Eachus
1995-03-24 10:46           ` Peter Hermann
1995-03-24 16:52             ` David Weller
1995-03-26  4:03               ` Robert Dewar
1995-03-24 21:33             ` Tucker Taft
1995-03-27  9:59             ` Child packages Robb Nebbe
1995-03-28  1:11               ` Keith Thompson
1995-03-28 11:54                 ` Keith Thompson
1995-03-27 18:58             ` An observation of Ada (may offend) Mark A Biggar
1995-03-24 19:45           ` Garlington KE
1995-03-27 19:58             ` Robert I. Eachus
1995-03-28 16:29               ` Garlington KE
1995-03-28 19:30                 ` Robert I. Eachus
1995-03-28 22:37                   ` Garlington KE
1995-03-29  8:31                   ` Robb Nebbe
1995-03-25 17:58           ` Robert Dewar
1995-03-26  6:20             ` R_Tim_Coslet
1995-03-27 20:38               ` Robert I. Eachus
1995-03-26  3:50           ` celier
     [not found]           ` <3l1lkq$pm6@gnat.csn <3l2o9a$3a1@infomatch.com>
1995-03-27 23:16             ` Robert Dewar
1995-03-23 18:05       ` John DiCamillo
1995-03-17 23:01 ` Larry Kilgallen, LJK Software
1995-03-18 12:41 ` Tucker Taft
1995-03-22 16:50 ` Renaud HEBERT
1995-03-23 23:23   ` John Volan
1995-03-24  0:38   ` Robert Dewar
  -- strict thread matches above, loose matches on Subject: below --
1995-03-30  0:00 R.A.L Williams
1995-04-03  0:00 ` Norman H. Cohen
1995-03-29  0:00 R.A.L Williams
1995-03-27 10:38 R.A.L Williams
1995-03-30  3:14 ` Michael D. Griffin
1995-03-30  0:00   ` David Weller
1995-04-04  0:00   ` Jack Beidler
1995-04-04  0:00   ` Brian Rogoff
1995-03-27 10:28 R.A.L Williams
1995-03-27  0:00 ` Norman H. Cohen
1995-04-04  0:00   ` Robert Dewar
1995-03-28 17:07 ` Larry Kilgallen, LJK Software
1995-03-12 23:39 Matt Bruce
1995-03-13  0:34 ` David Weller
1995-03-14  4:49 ` Vladimir Vukicevic
1995-03-17 17:00   ` Michael Feldman
1995-03-17 13:09     ` Fred J. McCall
1995-03-18 20:34       ` Michael Feldman
1995-03-19 22:20         ` Robert Dewar
1995-03-20 17:19           ` Michael Feldman
1995-03-21 21:02             ` Robert Dewar
1995-03-21 23:01             ` Kevin F. Quinn
1995-03-22 12:43             ` Mike Meier
1995-03-20 20:38           ` Kevin F. Quinn
1995-03-21  3:02         ` Michael M. Bishop
1995-03-20  9:31       ` Robb Nebbe
1995-03-20 20:16       ` Mats Weber
1995-03-22 19:44       ` Stephen McNeill
1995-03-28 14:48       ` Wes Groleau
1995-03-22 17:20     ` Richard G. Hash
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