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