*%overflow

[Luke Palmer]

Output?

    sub foo (+$a, *%overflow) {
        say "%overflow{}";
    }

    foo(:a(1), :b(2));                       # b        2
    foo(:a(1), :overflow{ b => 2 });         # b        2
    foo(:a(1), :overflow{ b => 2 }, :c(3));  # ???

Luke