kotlin-stdlib/kotlin.collections/random

random

inline fun <T> Array<out T>.random(): T(source)
inline fun ByteArray.random(): Byte(source)
inline fun ShortArray.random(): Short(source)
inline fun IntArray.random(): Int(source)
inline fun LongArray.random(): Long(source)
inline fun FloatArray.random(): Float(source)
inline fun DoubleArray.random(): Double(source)
inline fun BooleanArray.random(): Boolean(source)
inline fun CharArray.random(): Char(source)
@ExperimentalUnsignedTypes
inline fun UIntArray.random(): UInt(source)
@ExperimentalUnsignedTypes
inline fun ULongArray.random(): ULong(source)
@ExperimentalUnsignedTypes
inline fun UByteArray.random(): UByte(source)
@ExperimentalUnsignedTypes
inline fun UShortArray.random(): UShort(source)

Returns a random element from this array.

Since Kotlin

1.3

Throws

if this array is empty.

fun <T> Array<out T>.random(random: Random): T(source)
fun ByteArray.random(random: Random): Byte(source)
fun ShortArray.random(random: Random): Short(source)
fun IntArray.random(random: Random): Int(source)
fun LongArray.random(random: Random): Long(source)
fun FloatArray.random(random: Random): Float(source)
fun DoubleArray.random(random: Random): Double(source)
fun BooleanArray.random(random: Random): Boolean(source)
fun CharArray.random(random: Random): Char(source)
@ExperimentalUnsignedTypes
fun UIntArray.random(random: Random): UInt(source)
@ExperimentalUnsignedTypes
fun ULongArray.random(random: Random): ULong(source)
@ExperimentalUnsignedTypes
fun UByteArray.random(random: Random): UByte(source)
@ExperimentalUnsignedTypes
fun UShortArray.random(random: Random): UShort(source)

Returns a random element from this array using the specified source of randomness.

Since Kotlin

1.3

Throws

if this array is empty.

inline fun <T> Collection<T>.random(): T(source)

Returns a random element from this collection.

Since Kotlin

1.3

Throws

if this collection is empty.

fun <T> Collection<T>.random(random: Random): T(source)

Returns a random element from this collection using the specified source of randomness.

Since Kotlin

1.3

Throws

if this collection is empty.