Re: friend classes in ada95

[Vincent Marciante <marciant@li.net>]

John J. Rusnak wrote:
> 
> Robert A Duff wrote:
<snip>
> > If you look up that section, you'll have trouble finding it.  ;-)
> >
> > The visible part of a child cannot see the parent's private part,
> > unless it's a private child.
> >
> > - Bob
> 
> Under GNAT, I have made use of the fact that a child package can see its parent's
> private part even if it is NOT a private child.  

Is the _visible_ (non-private) part of the non-private child seeing the
parent's private part?  That would be a defect in the compiler. 

> This could just be an error in
> the compiler, though.  (I have seen this technique used for implementing
> something simliar to "protected" elements in C++ or Java as well as friend
> classes).
> 
> Does anyone have the section number?

No section says it because it is wrong - that is the joke. 
Check out 

  http://www.adapower.com/rationale/rat95-p1-2.html#8

> 
> -John