docs: def _infer_interval_breaks(coord):
      """
      >>> _infer_interval_breaks(np.arange(5))
      array([-0.5,  0.5,  1.5,  2.5,  3.5,  4.5])
  
      Taken from xarray.plotting.plot module
      """
      coord = np.asarray(coord)
      deltas = 0.5 * (coord[1:] - coord[:-1])
      first = coord[0] - deltas[0]
      last = coord[-1] + deltas[-1]
      return np.r_[[first], coord[:-1] + deltas, [last]]