maxOfWithOrNull

Common
JVM
JS
Native
1.4
inline fun <T, R> Array<out T>.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (T) -> R
): R?
inline fun <R> ByteArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Byte) -> R
): R?
inline fun <R> ShortArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Short) -> R
): R?
inline fun <R> IntArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Int) -> R
): R?
inline fun <R> LongArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Long) -> R
): R?
inline fun <R> FloatArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Float) -> R
): R?
inline fun <R> DoubleArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Double) -> R
): R?
inline fun <R> BooleanArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Boolean) -> R
): R?
inline fun <R> CharArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Char) -> R
): R?
@ExperimentalUnsignedTypes inline fun <R> UIntArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (UInt) -> R
): R?
@ExperimentalUnsignedTypes inline fun <R> ULongArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (ULong) -> R
): R?
@ExperimentalUnsignedTypes inline fun <R> UByteArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (UByte) -> R
): R?
@ExperimentalUnsignedTypes inline fun <R> UShortArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (UShort) -> R
): R?

Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the array or null if there are no elements.

Common
JVM
JS
Native
1.4
inline fun <T, R> Iterable<T>.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (T) -> R
): R?

Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the collection or null if there are no elements.

Common
JVM
JS
Native
1.4
inline fun <K, V, R> Map<out K, V>.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Entry<K, V>) -> R
): R?

Returns the largest value according to the provided comparator among all values produced by selector function applied to each entry in the map or null if there are no entries.