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.

Notes

This method is only available for python 3.9 and later.

Examples

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

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

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