def test_seq_concat_pipe3(xs: List[int], ys: List[int], zs: List[int]): value = seq.concat(xs, ys, zs) assert list(value) == xs + ys + zs
def test_seq_concat_2(xs: List[int], ys: List[int]): value = seq.concat(xs, ys) assert list(value) == xs + ys
def test_seq_concat_pipe(xs: List[int]): value = seq.concat(xs) assert list(value) == xs
def combine(self, xs: Iterable[TSource], ys: Iterable[TSource]) -> Iterable[TSource]: return list(seq.concat(xs, ys))