maxIndexWithByOrNull
inline fun <E, R> KoneIterator<E>.maxIndexWithByOrNull(comparator: Comparator<R>, selector: (E) -> R): UInt?(source)
inline fun <E, R> KoneList<E>.maxIndexWithByOrNull(comparator: Comparator<R>, selector: (E) -> R): UInt?(source)
inline fun <E, R> KoneSequence<E>.maxIndexWithByOrNull(comparator: Comparator<R>, selector: (E) -> R): UInt?(source)