code: func (b *Bound) Contains(point *Point) bool {
  
  	if point.Y() < b.sw.Y() || b.ne.Y() < point.Y() {
  		return false
  	}
  
  	if point.X() < b.sw.X() || b.ne.X() < point.X() {
  		return false
  	}
  
  	return true
  }
docs: // Contains determines if the point is within the bound.
  // Points on the boundary are considered within.