kotlin-stdlib/kotlin.sequences/elementAtOrNull

elementAtOrNull

fun <T> Sequence<T>.elementAtOrNull(index: Int): T?(source)

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

The operation is terminal.

Since Kotlin

1.0

Samples

import kotlin.test.*

fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
println(list.elementAtOrNull(0)) // 1
println(list.elementAtOrNull(2)) // 3
println(list.elementAtOrNull(3)) // null

val emptyList = emptyList<Int>()
println(emptyList.elementAtOrNull(0)) // null 
   //sampleEnd
}
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val list = listOf(1, 2, 3)
println(list.elementAtOrNull(0)) // 1
println(list.elementAtOrNull(2)) // 3
println(list.elementAtOrNull(3)) // null
val emptyList = emptyList<Int>()
println(emptyList.elementAtOrNull(0)) // null 
Open in Playground →
Target: JVMRunning on v.2.1.20

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