numpy.dtype.__class_getitem__#

method

dtype.__class_getitem__(item, /)#

Return a parametrized wrapper around the dtype type.

New in version 1.22.

Returns:
aliastypes.GenericAlias

A parametrized dtype type.

See also

PEP 585

Type hinting generics in standard collections.

Notes

This method is only available for python 3.9 and later.

Examples

>>> import numpy as np
>>> np.dtype[np.int64]
numpy.dtype[numpy.int64]