pub fn Lane_EvalMotionDerivatives(
lane: &Lane,
lane_position: &LanePosition,
sigma_v: f64,
rho_v: f64,
eta_v: f64,
) -> UniquePtr<LanePosition>
pub fn Lane_EvalMotionDerivatives(
lane: &Lane,
lane_position: &LanePosition,
sigma_v: f64,
rho_v: f64,
eta_v: f64,
) -> UniquePtr<LanePosition>