elementAtOrElse

Common
JVM
JS
Native
1.0
inline fun < T > Array < out T > . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> T
) : T

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inline fun ByteArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Byte
) : Byte

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inline fun ShortArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Short
) : Short

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inline fun IntArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Int
) : Int

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inline fun LongArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Long
) : Long

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inline fun FloatArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Float
) : Float

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inline fun DoubleArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Double
) : Double

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inline fun BooleanArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Boolean
) : Boolean

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inline fun CharArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> Char
) : Char

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@ExperimentalUnsignedTypes inline fun UIntArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> UInt
) : UInt

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@ExperimentalUnsignedTypes inline fun ULongArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> ULong
) : ULong

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@ExperimentalUnsignedTypes inline fun UByteArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> UByte
) : UByte

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@ExperimentalUnsignedTypes inline fun UShortArray . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> UShort
) : UShort

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Returns an element at the given index or the result of calling the defaultValue function 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.elementAtOrElse(0) { 42 }) // 1
println(list.elementAtOrElse(2) { 42 }) // 3
println(list.elementAtOrElse(3) { 42 }) // 42

val emptyList = emptyList<Int>()
println(emptyList.elementAtOrElse(0) { "no int" }) // no int
//sampleEnd
}
Common
JVM
JS
Native
1.0
fun < T > Iterable < T > . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> T
) : T

(source)

Returns an element at the given index or the result of calling the defaultValue function if the index is out of bounds of this collection.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val list = listOf(1, 2, 3)
println(list.elementAtOrElse(0) { 42 }) // 1
println(list.elementAtOrElse(2) { 42 }) // 3
println(list.elementAtOrElse(3) { 42 }) // 42

val emptyList = emptyList<Int>()
println(emptyList.elementAtOrElse(0) { "no int" }) // no int
//sampleEnd
}
Common
JVM
JS
Native
1.0
inline fun < T > List < T > . elementAtOrElse (
index : Int ,
defaultValue : ( Int ) -> T
) : T

(source)

Returns an element at the given index or the result of calling the defaultValue function 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.elementAtOrElse(0) { 42 }) // 1
println(list.elementAtOrElse(2) { 42 }) // 3
println(list.elementAtOrElse(3) { 42 }) // 42

val emptyList = emptyList<Int>()
println(emptyList.elementAtOrElse(0) { "no int" }) // no int
//sampleEnd
}