Ruby 7, perhaps. Ruby would have to adopt a module import system, multidispatch, a better object system, generics, optional typing, macros, and something resem

Ruby 7, perhaps. Ruby would have to adopt a module import system, multidispatch, a better object system, generics, optional typing, macros, and something resembling grammars to come close to what you can use in Perl 6 right now.