Core API – Kotlin Programming Language (original) (raw)

find

Returns the first element matching the given predicate, or null if no such element was found.

The operation is terminal.

Since Kotlin

1.0

Samples

import kotlin.math.*
import kotlin.test.*

fun main() { 
   //sampleStart 
   val numbers = listOf(1, 2, 3, 4, 5, 6, 7)
val firstOdd = numbers.find { it % 2 != 0 }
val lastEven = numbers.findLast { it % 2 == 0 }

println(firstOdd) // 1
println(lastEven) // 6 
   //sampleEnd
}