kotlin-stdlib / kotlin.text / filterNotTo

filterNotTo

Common

JVM

Native

1.0

inline fun <C : Appendable> CharSequence.filterNotTo(
    destination: C, 
    predicate: (Char) -> Boolean
): C

(source)

Appends all characters not matching the given predicate to the given destination.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val numbers: List<Int> = listOf(1, 2, 3, 4, 5, 6, 7)
val evenNumbers = mutableListOf<Int>()
val notMultiplesOf3 = mutableListOf<Int>()

println(evenNumbers) // []

numbers.filterTo(evenNumbers) { it % 2 == 0 }
numbers.filterNotTo(notMultiplesOf3) { number -> number % 3 == 0 }

println(evenNumbers) // [2, 4, 6]
println(notMultiplesOf3) // [1, 2, 4, 5, 7]
//sampleEnd
}