pub fn alt_9<I: Clone, O, E, F, X1, X2, X3, X4, X5, X6, X7, X8>(
parser_1: impl FnMut(I) -> NomRes<I, O, X1, F>,
parser_2: impl FnMut(I) -> NomRes<I, O, X2, F>,
parser_3: impl FnMut(I) -> NomRes<I, O, X3, F>,
parser_4: impl FnMut(I) -> NomRes<I, O, X4, F>,
parser_5: impl FnMut(I) -> NomRes<I, O, X5, F>,
parser_6: impl FnMut(I) -> NomRes<I, O, X6, F>,
parser_7: impl FnMut(I) -> NomRes<I, O, X7, F>,
parser_8: impl FnMut(I) -> NomRes<I, O, X8, F>,
parser: impl FnMut(I) -> NomRes<I, O, E, F>
) -> impl FnMut(I) -> NomRes<I, O, E, F>