public default <A> Maybe<A> foldl1(final Function<A, Function<A, A>> fn, _<F, A> nestedA) {
return foldl((Maybe<A> maybeOne) -> (A two) ->
maybeOne.isJust()
? Maybe.Just(fn.apply(maybeOne.get()).apply(two))
: Maybe.Just(two),
Maybe.<A>Nothing(), nestedA);
}
public default <A> Maybe<A> foldr1(final Function<A, Function<A, A>> fn, _<F, A> nestedA) {
return foldr((A one) -> (Maybe<A> maybeTwo) ->
maybeTwo.isJust()
? Maybe.Just(fn.apply(one).apply(maybeTwo.get()))
: Maybe.Just(one),
Maybe.<A>Nothing(), nestedA);
}