Function flo_curves::bezier::find_self_intersection_point

pub fn find_self_intersection_point<C: BezierCurve>(
    curve: &C, 
    accuracy: f64
) -> Option<(f64, f64)> where
    C::Point: Coordinate + Coordinate2D, 

If a cubic curve contains a loop, finds the t values where the curve self-intersects