def to_rectangle(point)
      d = delta(point)

      Rectangle.new(
        row,
        col,
        d.col + 1,
        d.row + 1
      )
    end
def to_rectangle(point)
      d = delta(point)

      Rectangle.new(
        row,
        col,
        d.col + 1,
        d.row + 1
      )
    end
`point` is used to calculate the width and height
    of the new rectangle