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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np
import pytest # noqa: F401
import awkward as ak
to_list = ak.operations.to_list
def test():
array = ak.highlevel.Array(
ak.contents.RegularArray(
ak.contents.NumpyArray(np.r_[1, 2, 3, 4, 5, 6, 7, 8, 9]), 3
)
)
mask = ak.highlevel.Array(
ak.contents.NumpyArray(
np.array([[True, True, True], [True, True, False], [True, False, True]])
)
)
assert ak.operations.mask(array, mask).to_list() == [
[1, 2, 3],
[4, 5, None],
[7, None, 9],
]
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