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From: dewar@cs.nyu.edu (Robert Dewar)
Newsgroups: comp.lang.ada
Subject: Re: An observation of Ada (may offend)
Date: 21 Mar 1995 16:05:14 -0500
Organization: Courant Institute of Mathematical Sciences
Message-ID: <3knf2a$e9t@gnat.cs.nyu.edu>
References: <3kbkm1$41o@miranda.gmrc.gecm.com>
 <3kcflv$164a@watnews1.watson.ibm.com> <1995Mar20.103925@lglsun.epfl.ch>
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Date: 1995-03-21T16:05:14-05:00
List-Id: <comp.lang.ada>

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.