kotlin-stdlib / kotlin.collections / getOrNull

getOrNull

Common
JVM
JS
Native
1.0
fun <T> Array<out T>.getOrNull(index: Int): T?
(source)
fun ByteArray.getOrNull(index: Int): Byte?
(source)
fun ShortArray.getOrNull(index: Int): Short?
(source)
fun IntArray.getOrNull(index: Int): Int?
(source)
fun LongArray.getOrNull(index: Int): Long?
(source)
fun FloatArray.getOrNull(index: Int): Float?
(source)
fun DoubleArray.getOrNull(index: Int): Double?
(source)
fun BooleanArray.getOrNull(index: Int): Boolean?
(source)
fun CharArray.getOrNull(index: Int): Char?
(source)
@ExperimentalUnsignedTypes fun UIntArray.getOrNull(
    index: Int
): UInt?
(source)
@ExperimentalUnsignedTypes fun ULongArray.getOrNull(
    index: Int
): ULong?
(source)
@ExperimentalUnsignedTypes fun UByteArray.getOrNull(
    index: Int
): UByte?
(source)
@ExperimentalUnsignedTypes fun UShortArray.getOrNull(
    index: Int
): UShort?
(source)

Returns an element at the given index or null if the index is out of bounds of this array.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val list = listOf(1, 2, 3)
println(list.getOrNull(0)) // 1
println(list.getOrNull(2)) // 3
println(list.getOrNull(3)) // null

val emptyList = emptyList<Int>()
println(emptyList.getOrNull(0)) // null
//sampleEnd
}
Common
JVM
JS
Native
1.0
fun <T> List<T>.getOrNull(index: Int): T?
(source)

Returns an element at the given index or null if the index is out of bounds of this list.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val list = listOf(1, 2, 3)
println(list.getOrNull(0)) // 1
println(list.getOrNull(2)) // 3
println(list.getOrNull(3)) // null

val emptyList = emptyList<Int>()
println(emptyList.getOrNull(0)) // null
//sampleEnd
}