numpy.ndarray.__class_getitem__

method

ndarray.__class_getitem__(item, /)

Return a parametrized wrapper around the ndarray type.

New in version 1.22.

Returns:

aliastypes.GenericAlias

A parametrized ndarray type.

See also

PEP 585

Type hinting generics in standard collections.

numpy.typing.NDArray

An ndarray alias generic w.r.t. its dtype.type.

Examples

>>> from typing import Any
>>> import numpy as np

>>> np.ndarray[Any, np.dtype[Any]]
numpy.ndarray[typing.Any, numpy.dtype[typing.Any]]