discrete.py 文件源码

def contains(self, x):
    if isinstance(x, int):
      as_int = x
    elif isinstance(x, (np.generic, np.ndarray)) and (x.dtype.kind in np.typecodes['AllInteger'] and x.shape == ()):
      as_int = int(x)
    else:
      return False
    return as_int >= 0 and as_int < self.n