maxWithByMaybe
inline fun <E, R> KoneIterator<E>.maxWithByMaybe(comparator: Comparator<R>, selector: (E) -> R): Maybe<E>(source)
inline fun <E, R> KoneIterable<E>.maxWithByMaybe(comparator: Comparator<R>, selector: (E) -> R): Maybe<E>(source)
inline fun <E, R> KoneSequence<E>.maxWithByMaybe(comparator: Comparator<R>, selector: (E) -> R): Maybe<E>(source)