Hi,

I guess that's why Java has two data types: the primitive types (such as
int) and the reference types (such as Integer).

I really really do hope that the result of our discussion on R will not
turn out to be reinventing Java :)

Regards,

Bill
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Mauricio Fern?ndez <batsman.geo / yahoo.com> wrote:
> Only if there's no dynamic dispatching or you're positive that Fixnum#+
> won't be redefined, or you can freeze classes. Otherwise you have to
> specify which methods are "virtual" (as in C++).