pub fn get_from(trace: Trace) -> Coordinate

pub fn get_path(trace: Trace) -> List(Coordinate)

pub fn get_position(trace: Trace) -> Coordinate

pub fn get_step(trace: Trace) -> Int

pub fn get_trajectory(trace: Trace) -> Coordinate

pub fn new(from: Coordinate, trajectory: Coordinate) -> Trace

pub fn next(trace: Trace) -> Trace