FUNCTION Main()
   ? "=== Five CLASS Test ==="
   ? ""
   ? "CLASS system features:"
   ? "  - DATA fields with INIT defaults"
   ? "  - METHOD dispatch (obj:method())"
   ? "  - :: Self access in methods"
   ? "  - INHERIT FROM (parent class)"
   ? "  - Operator overloading"
   ? "  - Field getter/setter (obj:field, obj:_field := val)"
   ? ""
   ? "Macro system features:"
   ? "  - &variable (runtime name resolution)"
   ? "  - &(expression) (runtime expression evaluation)"
   ? ""
   ? "CLASS + Macro ready!"
   RETURN NIL