getOrElse (original) (raw)

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.

Since Kotlin

1.0

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.

Since Kotlin

1.0

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.

Since Kotlin

1.3

Returns the value for the given key if the value is present and not null. Otherwise, returns the result of the defaultValue function.

Since Kotlin

1.0

Samples

import kotlin.test.*
import java.util.*

fun main() { 
   //sampleStart 
   val map = mutableMapOf<String, Int?>()
println(map.getOrElse("x") { 1 }) // 1

map["x"] = 3
println(map.getOrElse("x") { 1 }) // 3

map["x"] = null
println(map.getOrElse("x") { 1 }) // 1 
   //sampleEnd
}