Ovid wrote:
> Is it possible to modify the core Perl6Array class like that (without extra 
> keywords)?  If so, is it possible for each programmer to make such a change 
> so that it's lexically scoped?

AFAIK, it is not possible to modify a core class; however, I believe
that it _is_ possible to derive a new class whose "name" differs from
an existing class only in terms of version information, such that it
is substituted for the original class within the lexical scope where
it was defined, barring explicit inclusion of version information when
the class is referenced.

Jonathan "Dataweaver" Lang

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