withIndex

fun <T> Array<out T>.withIndex(): Iterable<IndexedValue<T>>

fun ByteArray.withIndex(): Iterable<IndexedValue<Byte>>

fun ShortArray.withIndex(): Iterable<IndexedValue<Short>>

fun IntArray.withIndex(): Iterable<IndexedValue<Int>>

fun LongArray.withIndex(): Iterable<IndexedValue<Long>>

fun FloatArray.withIndex(): Iterable<IndexedValue<Float>>

fun DoubleArray.withIndex(): Iterable<IndexedValue<Double>>

fun BooleanArray.withIndex(): Iterable<IndexedValue<Boolean>>

fun CharArray.withIndex(): Iterable<IndexedValue<Char>>

@ExperimentalUnsignedTypes fun UIntArray.withIndex(): Iterable<IndexedValue<UInt>>

@ExperimentalUnsignedTypes fun ULongArray.withIndex(): Iterable<IndexedValue<ULong>>

@ExperimentalUnsignedTypes fun UByteArray.withIndex(): Iterable<IndexedValue<UByte>>

@ExperimentalUnsignedTypes fun UShortArray.withIndex(): Iterable<IndexedValue<UShort>>

Returns a lazy Iterable that wraps each element of the original array into an IndexedValue containing the index of that element and the element itself.

fun <T> Iterable<T>.withIndex(): Iterable<IndexedValue<T>>

Returns a lazy Iterable that wraps each element of the original collection into an IndexedValue containing the index of that element and the element itself.

fun <T> Iterator<T>.withIndex(): Iterator<IndexedValue<T>>

Returns an Iterator that wraps each element produced by the original iterator into an IndexedValue containing the index of that element and the element itself.

import java.util.*

fun main(args: Array<String>) {
//sampleStart
val iterator = ('a'..'c').iterator()

for ((index, value) in iterator.withIndex()) {
    println("The element at $index is $value")
}
//sampleEnd
}