@Inheritable
C = Class {.x = Int}
C::
    aaa = 1
C.
    bbb = 1
    id self = self
    f self = None

D = Inherit C
D::
    ccc = 1
D.
    ddd = 1
    g self =
        _ = self.x
        # _ = self::aaa # outer class privates cannot be accessed
        _ = self.bbb
        _ = self::ccc
        _ = self.ddd
        _ = self.f
        _ = self.g
        _ = do self.g()
        None

d = D.new({.x = 1})
print! d.bbb, d.ddd, d.g()
assert d.id().ddd == 1