kotlin-stdlib/kotlin.ranges/randomOrNull

randomOrNull

inline fun IntRange.randomOrNull(): Int?(source)
inline fun LongRange.randomOrNull(): Long?(source)
inline fun CharRange.randomOrNull(): Char?(source)

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

Since Kotlin

1.4
fun IntRange.randomOrNull(random: Random): Int?(source)
fun LongRange.randomOrNull(random: Random): Long?(source)
fun CharRange.randomOrNull(random: Random): Char?(source)

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

Since Kotlin

1.4
inline fun UIntRange.randomOrNull(): UInt?(source)
inline fun ULongRange.randomOrNull(): ULong?(source)

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

Since Kotlin

1.5
fun UIntRange.randomOrNull(random: Random): UInt?(source)
fun ULongRange.randomOrNull(random: Random): ULong?(source)

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

Since Kotlin

1.5