Function flatten

python/tests/kernel/test_assignments.py:733–743

(ls: list[list[int]])

    @cudaq.kernel
    def flatten(ls: list[list[int]]) -> list[int]:
        size = 0
        for l1 in ls:
            size += len(l1)
        res = [0 for _ in range(size)]
        idx = 0
        for l2 in ls:
            for i in l2:
                res[idx] = i
                idx += 1
        return res

    @cudaq.kernel
    def test4() -> list[int]: