kotlin-stdlib/kotlin.sequences/find

find

inline fun <T> Sequence<T>.find(predicate: (T) -> Boolean): T?(source)

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.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
}