kotlin-stdlib/kotlin.collections/randomOrNull

randomOrNull

inline fun <T> Array<out T>.randomOrNull(): T?

inline fun ByteArray.randomOrNull(): Byte?

inline fun ShortArray.randomOrNull(): Short?

inline fun IntArray.randomOrNull(): Int?

inline fun LongArray.randomOrNull(): Long?

inline fun FloatArray.randomOrNull(): Float?

inline fun DoubleArray.randomOrNull(): Double?

inline fun BooleanArray.randomOrNull(): Boolean?

inline fun CharArray.randomOrNull(): Char?

@ExperimentalUnsignedTypes

inline fun UIntArray.randomOrNull(): UInt?

@ExperimentalUnsignedTypes

inline fun ULongArray.randomOrNull(): ULong?

@ExperimentalUnsignedTypes

inline fun UByteArray.randomOrNull(): UByte?

@ExperimentalUnsignedTypes

inline fun UShortArray.randomOrNull(): UShort?

Returns a random element from this array, or null if this array is empty.

Since Kotlin

1.4

fun <T> Array<out T>.randomOrNull(random: Random): T?

fun ByteArray.randomOrNull(random: Random): Byte?

fun ShortArray.randomOrNull(random: Random): Short?

fun IntArray.randomOrNull(random: Random): Int?

fun LongArray.randomOrNull(random: Random): Long?

fun FloatArray.randomOrNull(random: Random): Float?

fun DoubleArray.randomOrNull(random: Random): Double?

fun BooleanArray.randomOrNull(random: Random): Boolean?

fun CharArray.randomOrNull(random: Random): Char?

@ExperimentalUnsignedTypes

fun UIntArray.randomOrNull(random: Random): UInt?

@ExperimentalUnsignedTypes

fun ULongArray.randomOrNull(random: Random): ULong?

@ExperimentalUnsignedTypes

fun UByteArray.randomOrNull(random: Random): UByte?

@ExperimentalUnsignedTypes

fun UShortArray.randomOrNull(random: Random): UShort?

Returns a random element from this array using the specified source of randomness, or null if this array is empty.

Since Kotlin

1.4

inline fun <T> Collection<T>.randomOrNull(): T?

Returns a random element from this collection, or null if this collection is empty.

Since Kotlin

1.4

fun <T> Collection<T>.randomOrNull(random: Random): T?

Returns a random element from this collection using the specified source of randomness, or null if this collection is empty.

Since Kotlin

1.4