@Test
void toTuple8() {

    final Function<Integer, Tuple8<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer>> mapper = Tuples.toTuple(i -> i + 0, i -> i + 1, i -> i + 2, i -> i + 3, i -> i + 4, i -> i + 5, i -> i + 6, i -> i + 7);
    assertTuple(mapper.apply(0), 8);
}