elementAt

fun <T> Iterable<T>.elementAt(index: Int): T

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this collection.

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

inline fun <T> List<T>.elementAt(index: Int): T

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this list.

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

expect fun <T> Array<out T>.elementAt(index: Int): T

expect fun ByteArray.elementAt(index: Int): Byte

expect fun ShortArray.elementAt(index: Int): Short

expect fun IntArray.elementAt(index: Int): Int

expect fun LongArray.elementAt(index: Int): Long

expect fun FloatArray.elementAt(index: Int): Float

expect fun DoubleArray.elementAt(index: Int): Double

expect fun BooleanArray.elementAt(index: Int): Boolean

expect fun CharArray.elementAt(index: Int): Char

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

@ExperimentalUnsignedTypes

expect fun UIntArray.elementAt(index: Int): UInt

@ExperimentalUnsignedTypes

expect fun ULongArray.elementAt(index: Int): ULong

@ExperimentalUnsignedTypes

expect fun UByteArray.elementAt(index: Int): UByte

@ExperimentalUnsignedTypes

expect fun UShortArray.elementAt(index: Int): UShort

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Since Kotlin

1.3

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

actual inline fun <T> Array<out T>.elementAt(index: Int): T

actual inline fun ByteArray.elementAt(index: Int): Byte

actual inline fun ShortArray.elementAt(index: Int): Short

actual inline fun IntArray.elementAt(index: Int): Int

actual inline fun LongArray.elementAt(index: Int): Long

actual inline fun FloatArray.elementAt(index: Int): Float

actual inline fun DoubleArray.elementAt(index: Int): Double

actual inline fun BooleanArray.elementAt(index: Int): Boolean

actual inline fun CharArray.elementAt(index: Int): Char

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

@ExperimentalUnsignedTypes

actual inline fun UIntArray.elementAt(index: Int): UInt

@ExperimentalUnsignedTypes

actual inline fun ULongArray.elementAt(index: Int): ULong

@ExperimentalUnsignedTypes

actual inline fun UByteArray.elementAt(index: Int): UByte

@ExperimentalUnsignedTypes

actual inline fun UShortArray.elementAt(index: Int): UShort

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Since Kotlin

1.3

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

actual fun <T> Array<out T>.elementAt(index: Int): T

actual fun ByteArray.elementAt(index: Int): Byte

actual fun ShortArray.elementAt(index: Int): Short

actual fun IntArray.elementAt(index: Int): Int

actual fun LongArray.elementAt(index: Int): Long

actual fun FloatArray.elementAt(index: Int): Float

actual fun DoubleArray.elementAt(index: Int): Double

actual fun BooleanArray.elementAt(index: Int): Boolean

actual fun CharArray.elementAt(index: Int): Char

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

@ExperimentalUnsignedTypes

actual fun UIntArray.elementAt(index: Int): UInt

@ExperimentalUnsignedTypes

actual fun ULongArray.elementAt(index: Int): ULong

@ExperimentalUnsignedTypes

actual fun UByteArray.elementAt(index: Int): UByte

@ExperimentalUnsignedTypes

actual fun UShortArray.elementAt(index: Int): UShort

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Since Kotlin

1.3

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

actual inline fun <T> Array<out T>.elementAt(index: Int): T

actual inline fun ByteArray.elementAt(index: Int): Byte

actual inline fun ShortArray.elementAt(index: Int): Short

actual inline fun IntArray.elementAt(index: Int): Int

actual inline fun LongArray.elementAt(index: Int): Long

actual inline fun FloatArray.elementAt(index: Int): Float

actual inline fun DoubleArray.elementAt(index: Int): Double

actual inline fun BooleanArray.elementAt(index: Int): Boolean

actual inline fun CharArray.elementAt(index: Int): Char

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}

@ExperimentalUnsignedTypes

actual inline fun UIntArray.elementAt(index: Int): UInt

@ExperimentalUnsignedTypes

actual inline fun ULongArray.elementAt(index: Int): ULong

@ExperimentalUnsignedTypes

actual inline fun UByteArray.elementAt(index: Int): UByte

@ExperimentalUnsignedTypes

actual inline fun UShortArray.elementAt(index: Int): UShort

Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.

Since Kotlin

1.3

Samples

import samples.*
import kotlin.test.*
fun main() { 
   //sampleStart 
   val list = listOf(1, 2, 3)
assertPrints(list.elementAt(0), "1")
assertPrints(list.elementAt(2), "3")
assertFailsWith<IndexOutOfBoundsException> { list.elementAt(3) }

val emptyList = emptyList<Int>()
assertFailsWith<IndexOutOfBoundsException> { emptyList.elementAt(0) } 
   //sampleEnd
}