(use "errno.witx")

(typename $car_config
  (flags u8
    $automatic
    $awd
    $suv))

(module $flags
  (@interface func (export "configure_car")
    (param $old_config $car_config)
    (param $old_config_by_ptr (@witx const_pointer $car_config))
    (result $error $errno)
    (result $new_config $car_config)
  )
)