W3cubDocs

/Kotlin

find

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)
inline fun CharSequence.find(
    predicate: (Char) -> Boolean
): Char?

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

import kotlin.test.*

fun main(args: Array<String>) {
//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
}

© 2010–2020 JetBrains s.r.o. and Kotlin Programming Language contributors
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/find.html