Re: But is it Object-Oriented?

Quoting Isaac Gouy <[email protected]>:

> This is quite clear: in Nice a 'private' method encapsulated in a class
> is not 'private' to that class. 

This is exactly why I suggested to not have a "private" keyword. See:
http://nice.sourceforge.net/cgi-bin/twiki/view/Dev/VisibilityModifiers

> This is quite clear from other language designs which promote
> "encapsulated multimethods", for example Half & Half. 
> http://www.cis.ohio-state.edu/~gb/Brew/Publications/HalfNHalf.pdf
> 
> Note: I'm not suggesting that Nice should use encapsulated multimethods
> - rather given that we only have multimethods (and functions) in Nice
> we should avoid misleading newbies with the idea that there are any
> encapsulated methods in Nice.

I agree.

> > Other languages have differing notions of what a class or a method
> > is. For instance, C++ classes can inherit from several classes while
> > Java classes cannot. The important thing is that there you can
> > relate the two, and just remember this difference. I have shown
> > above that you can do the same between Java methods and Nice methods.
> 
> And AFAIK in both C++ and Java, a class encapsulates methods - this is
> one of the few common threads in OO.

In other multimethod languages, classes don't encapsulate methods but they are
still called classes. I believe the term "class" actually comes from mathematics
(category theory?).

- Brian




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