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from litestar.utils.sequence import find_index, unique
def test_find_index() -> None:
assert find_index([1, 2], lambda x: x == 2) == 1
assert find_index([1, 3], lambda x: x == 2) == -1
def test_unique() -> None:
assert unique([1, 1, 1, 2]) == [1, 2]
def x() -> None:
pass
def y() -> None:
pass
unique_functions = unique([x, x, y, y])
assert unique_functions == [x, y] or [y, x]
my_list: list = []
assert sorted(unique([my_list, my_list, my_list])) == sorted([my_list])
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