kotlin-stdlib / kotlin.collections / take

take

Common
JVM
JS
Native
1.0
fun <T> Array<out T>.take(n: Int): List<T>
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fun ByteArray.take(n: Int): List<Byte>
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fun ShortArray.take(n: Int): List<Short>
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fun IntArray.take(n: Int): List<Int>
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fun LongArray.take(n: Int): List<Long>
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fun FloatArray.take(n: Int): List<Float>
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fun DoubleArray.take(n: Int): List<Double>
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fun BooleanArray.take(n: Int): List<Boolean>
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fun CharArray.take(n: Int): List<Char>
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fun <T> Iterable<T>.take(n: Int): List<T>
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@ExperimentalUnsignedTypes fun UIntArray.take(
    n: Int
): List<UInt>
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@ExperimentalUnsignedTypes fun ULongArray.take(
    n: Int
): List<ULong>
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@ExperimentalUnsignedTypes fun UByteArray.take(
    n: Int
): List<UByte>
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@ExperimentalUnsignedTypes fun UShortArray.take(
    n: Int
): List<UShort>
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Returns a list containing first n elements.

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
}

Exceptions

IllegalArgumentException - if n is negative.