takeWhile

Common
JVM
JS
Native
1.0
fun < T > Sequence < T > . takeWhile (
predicate : ( T ) -> Boolean
) : Sequence < T >

(source)

Returns a sequence containing first elements satisfying the given predicate .

The operation is intermediate and stateless .

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val chars = ('a'..'z').toList()
println(chars.take(3)) // [a, b, c]
println(chars.takeWhile { it < 'f' }) // [a, b, c, d, e]
println(chars.takeLast(2)) // [y, z]
println(chars.takeLastWhile { it > 'w' }) // [x, y, z]
//sampleEnd
}