Re: friend classes in ada95

[Ray Blaak <blaak@infomatch.com>]

Jeff Carter <jrcarter@acm.org> writes:
> Robert Dewar wrote:
> Wirth, in accepting OO for Oberon, said that it's simply ADTs under
> another name.
> 
> When I first looked into OO about 1984, once I finally understood what
> was going on, I didn't find anything new, except that the mechanism used
> made the code less readable than if composition had been used. I
> suspected that the OO people made up new terms for well established
> concepts such as type (class) and subprogram (methods) to mask this lack
> of original content.

OO programming being essentially about ADTs covers the most important and
worthwhile point. What makes OO programming different from ADTs, in least in my
opinion, is language support for inheritance and polymorphism.

-- 
Cheers,                                        The Rhythm is around me,
                                               The Rhythm has control.
Ray Blaak                                      The Rhythm is inside me,
blaak@infomatch.com                            The Rhythm has my soul.