inline fun <T> Array<out T>.getOrElse( index: Int, defaultValue: (Int) -> T ): T
inline fun ByteArray.getOrElse( index: Int, defaultValue: (Int) -> Byte ): Byte
inline fun ShortArray.getOrElse( index: Int, defaultValue: (Int) -> Short ): Short
inline fun IntArray.getOrElse( index: Int, defaultValue: (Int) -> Int ): Int
inline fun LongArray.getOrElse( index: Int, defaultValue: (Int) -> Long ): Long
inline fun FloatArray.getOrElse( index: Int, defaultValue: (Int) -> Float ): Float
inline fun DoubleArray.getOrElse( index: Int, defaultValue: (Int) -> Double ): Double
inline fun BooleanArray.getOrElse( index: Int, defaultValue: (Int) -> Boolean ): Boolean
inline fun CharArray.getOrElse( index: Int, defaultValue: (Int) -> Char ): Char
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.
inline fun <T> List<T>.getOrElse( index: Int, defaultValue: (Int) -> T ): T
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.
inline fun <K, V> Map<K, V>.getOrElse( key: K, defaultValue: () -> V ): V
Returns the value for the given key, or the result of the defaultValue function if there was no entry for the given key.
import kotlin.test.*
import java.util.*
fun main(args: Array<String>) {
//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
}
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/get-or-else.html