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@file:kotlin.jvm.JvmMultifileClass
@file:kotlin.jvm.JvmName("CollectionsKt")

package kotlin

//
// NOTE THIS FILE IS AUTO-GENERATED by the GenerateStandardLib.kt
// See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
//

import java.util.*

import java.util.Collections // TODO: it's temporary while we have java.util.Collections in js

/**
 * Returns 1st *element* from the collection.
 */
@Suppress("NOTHING_TO_INLINE")
public inline operator fun  List.component1(): T {
    return get(0)
}

/**
 * Returns 2nd *element* from the collection.
 */
@Suppress("NOTHING_TO_INLINE")
public inline operator fun  List.component2(): T {
    return get(1)
}

/**
 * Returns 3rd *element* from the collection.
 */
@Suppress("NOTHING_TO_INLINE")
public inline operator fun  List.component3(): T {
    return get(2)
}

/**
 * Returns 4th *element* from the collection.
 */
@Suppress("NOTHING_TO_INLINE")
public inline operator fun  List.component4(): T {
    return get(3)
}

/**
 * Returns 5th *element* from the collection.
 */
@Suppress("NOTHING_TO_INLINE")
public inline operator fun  List.component5(): T {
    return get(4)
}

/**
 * Returns `true` if [element] is found in the collection.
 */
public operator fun  Iterable.contains(element: @kotlin.internal.NoInfer T): Boolean {
    if (this is Collection)
        return contains(element)
    return indexOf(element) >= 0
}

/**
 * Returns `true` if [element] is found in the collection.
 */
@Deprecated("Use 'containsRaw' instead.", ReplaceWith("containsRaw(element)"))
@kotlin.jvm.JvmName("containsAny")
@kotlin.internal.LowPriorityInOverloadResolution
public operator fun  Iterable.contains(element: T): Boolean {
    return containsRaw(element)
}

/**
 * Returns `true` if [element] is found in the collection.
 * Allows to overcome type-safety restriction of `contains` that requires to pass an element of type `T`.
 */
@Suppress("NOTHING_TO_INLINE")
public inline fun Iterable<*>.containsRaw(element: Any?): Boolean {
    return contains(element)
}

/**
 * Returns an element at the given [index] or throws an [IndexOutOfBoundsException] if the [index] is out of bounds of this collection.
 */
public fun  Iterable.elementAt(index: Int): T {
    if (this is List)
        return get(index)
    return elementAtOrElse(index) { throw IndexOutOfBoundsException("Collection doesn't contain element at index $index.") }
}

/**
 * Returns an element at the given [index] or throws an [IndexOutOfBoundsException] if the [index] is out of bounds of this list.
 */
public fun  List.elementAt(index: Int): T {
    return get(index)
}

/**
 * Returns an element at the given [index] or the result of calling the [defaultValue] function if the [index] is out of bounds of this collection.
 */
public fun  Iterable.elementAtOrElse(index: Int, defaultValue: (Int) -> T): T {
    if (this is List)
        return this.getOrElse(index, defaultValue)
    if (index < 0)
        return defaultValue(index)
    val iterator = iterator()
    var count = 0
    while (iterator.hasNext()) {
        val element = iterator.next()
        if (index == count++)
            return element
    }
    return defaultValue(index)
}

/**
 * Returns an element at the given [index] or the result of calling the [defaultValue] function if the [index] is out of bounds of this list.
 */
public inline fun  List.elementAtOrElse(index: Int, defaultValue: (Int) -> T): T {
    return if (index >= 0 && index <= lastIndex) get(index) else defaultValue(index)
}

/**
 * Returns an element at the given [index] or `null` if the [index] is out of bounds of this collection.
 */
public fun  Iterable.elementAtOrNull(index: Int): T? {
    if (this is List)
        return this.getOrNull(index)
    if (index < 0)
        return null
    val iterator = iterator()
    var count = 0
    while (iterator.hasNext()) {
        val element = iterator.next()
        if (index == count++)
            return element
    }
    return null
}

/**
 * Returns an element at the given [index] or `null` if the [index] is out of bounds of this list.
 */
public fun  List.elementAtOrNull(index: Int): T? {
    return if (index >= 0 && index <= lastIndex) get(index) else null
}

/**
 * Returns the first element matching the given [predicate], or `null` if no such element was found.
 */
public inline fun  Iterable.find(predicate: (T) -> Boolean): T? {
    return firstOrNull(predicate)
}

/**
 * Returns the last element matching the given [predicate], or `null` if no such element was found.
 */
public inline fun  Iterable.findLast(predicate: (T) -> Boolean): T? {
    return lastOrNull(predicate)
}

/**
 * Returns the last element matching the given [predicate], or `null` if no such element was found.
 */
public inline fun  List.findLast(predicate: (T) -> Boolean): T? {
    return lastOrNull(predicate)
}

/**
 * Returns first element.
 * @throws [NoSuchElementException] if the collection is empty.
 */
public fun  Iterable.first(): T {
    when (this) {
        is List -> {
            if (isEmpty())
                throw NoSuchElementException("Collection is empty.")
            else
                return this[0]
        }
        else -> {
            val iterator = iterator()
            if (!iterator.hasNext())
                throw NoSuchElementException("Collection is empty.")
            return iterator.next()
        }
    }
}

/**
 * Returns first element.
 * @throws [NoSuchElementException] if the list is empty.
 */
public fun  List.first(): T {
    if (isEmpty())
        throw NoSuchElementException("Collection is empty.")
    return this[0]
}

/**
 * Returns the first element matching the given [predicate].
 * @throws [NoSuchElementException] if no such element is found.
 */
public inline fun  Iterable.first(predicate: (T) -> Boolean): T {
    for (element in this) if (predicate(element)) return element
    throw NoSuchElementException("No element matching predicate was found.")
}

/**
 * Returns the first element, or `null` if the collection is empty.
 */
public fun  Iterable.firstOrNull(): T? {
    when (this) {
        is List -> {
            if (isEmpty())
                return null
            else
                return this[0]
        }
        else -> {
            val iterator = iterator()
            if (!iterator.hasNext())
                return null
            return iterator.next()
        }
    }
}

/**
 * Returns the first element, or `null` if the list is empty.
 */
public fun  List.firstOrNull(): T? {
    return if (isEmpty()) null else this[0]
}

/**
 * Returns the first element matching the given [predicate], or `null` if element was not found.
 */
public inline fun  Iterable.firstOrNull(predicate: (T) -> Boolean): T? {
    for (element in this) if (predicate(element)) return element
    return null
}

/**
 * Returns an element at the given [index] or the result of calling the [defaultValue] function if the [index] is out of bounds of this list.
 */
public inline fun  List.getOrElse(index: Int, defaultValue: (Int) -> T): T {
    return if (index >= 0 && index <= lastIndex) get(index) else defaultValue(index)
}

/**
 * Returns an element at the given [index] or `null` if the [index] is out of bounds of this list.
 */
public fun  List.getOrNull(index: Int): T? {
    return if (index >= 0 && index <= lastIndex) get(index) else null
}

/**
 * Returns first index of [element], or -1 if the collection does not contain element.
 */
public fun  Iterable.indexOf(element: @kotlin.internal.NoInfer T): Int {
    if (this is List) return this.indexOf(element)
    var index = 0
    for (item in this) {
        if (element == item)
            return index
        index++
    }
    return -1
}

/**
 * Returns first index of [element], or -1 if the collection does not contain element.
 */
@Deprecated("Use 'indexOfRaw' instead.", ReplaceWith("indexOfRaw(element)"))
@kotlin.jvm.JvmName("indexOfAny")
@kotlin.internal.LowPriorityInOverloadResolution
@Suppress("NOTHING_TO_INLINE")
public fun  Iterable.indexOf(element: T): Int {
    return indexOfRaw(element)
}

/**
 * Returns index of the first element matching the given [predicate], or -1 if the collection does not contain such element.
 */
public inline fun  Iterable.indexOfFirst(predicate: (T) -> Boolean): Int {
    var index = 0
    for (item in this) {
        if (predicate(item))
            return index
        index++
    }
    return -1
}

/**
 * Returns index of the first element matching the given [predicate], or -1 if the list does not contain such element.
 */
public inline fun  List.indexOfFirst(predicate: (T) -> Boolean): Int {
    for (index in indices) {
        if (predicate(this[index])) {
            return index
        }
    }
    return -1
}

/**
 * Returns index of the last element matching the given [predicate], or -1 if the collection does not contain such element.
 */
public inline fun  Iterable.indexOfLast(predicate: (T) -> Boolean): Int {
    var lastIndex = -1
    var index = 0
    for (item in this) {
        if (predicate(item))
            lastIndex = index
        index++
    }
    return lastIndex
}

/**
 * Returns index of the last element matching the given [predicate], or -1 if the list does not contain such element.
 */
public inline fun  List.indexOfLast(predicate: (T) -> Boolean): Int {
    for (index in indices.reversed()) {
        if (predicate(this[index])) {
            return index
        }
    }
    return -1
}

/**
 * Returns first index of [element], or -1 if the collection does not contain element.
 * Allows to overcome type-safety restriction of `indexOf` that requires to pass an element of type `T`.
 */
@Suppress("NOTHING_TO_INLINE")
public inline fun Iterable<*>.indexOfRaw(element: Any?): Int {
    return indexOf(element)
}

/**
 * Returns first index of [element], or -1 if the list does not contain element.
 * Allows to overcome type-safety restriction of `indexOf` that requires to pass an element of type `T`.
 */
@Suppress("NOTHING_TO_INLINE")
public inline fun  List.indexOfRaw(element: Any?): Int {
    return (this as List).indexOf(element)
}

/**
 * Returns the last element.
 * @throws [NoSuchElementException] if the collection is empty.
 */
public fun  Iterable.last(): T {
    when (this) {
        is List -> {
            if (isEmpty())
                throw NoSuchElementException("Collection is empty.")
            else
                return this[this.lastIndex]
        }
        else -> {
            val iterator = iterator()
            if (!iterator.hasNext())
                throw NoSuchElementException("Collection is empty.")
            var last = iterator.next()
            while (iterator.hasNext())
                last = iterator.next()
            return last
        }
    }
}

/**
 * Returns the last element.
 * @throws [NoSuchElementException] if the list is empty.
 */
public fun  List.last(): T {
    if (isEmpty())
        throw NoSuchElementException("Collection is empty.")
    return this[lastIndex]
}

/**
 * Returns the last element matching the given [predicate].
 * @throws [NoSuchElementException] if no such element is found.
 */
public inline fun  Iterable.last(predicate: (T) -> Boolean): T {
    if (this is List)
        return this.last(predicate)
    var last: T? = null
    var found = false
    for (element in this) {
        if (predicate(element)) {
            last = element
            found = true
        }
    }
    if (!found) throw NoSuchElementException("Collection doesn't contain any element matching the predicate.")
    return last as T
}

/**
 * Returns the last element matching the given [predicate].
 * @throws [NoSuchElementException] if no such element is found.
 */
public inline fun  List.last(predicate: (T) -> Boolean): T {
    for (index in this.indices.reversed()) {
        val element = this[index]
        if (predicate(element)) return element
    }
    throw NoSuchElementException("Collection doesn't contain any element matching the predicate.")
}

/**
 * Returns last index of [element], or -1 if the collection does not contain element.
 */
public fun  Iterable.lastIndexOf(element: @kotlin.internal.NoInfer T): Int {
    if (this is List) return this.lastIndexOf(element)
    var lastIndex = -1
    var index = 0
    for (item in this) {
        if (element == item)
            lastIndex = index
        index++
    }
    return lastIndex
}

/**
 * Returns last index of [element], or -1 if the collection does not contain element.
 */
@Deprecated("Use 'indexOfRaw' instead.", ReplaceWith("indexOfRaw(element)"))
@kotlin.jvm.JvmName("lastIndexOfAny")
@kotlin.internal.LowPriorityInOverloadResolution
@Suppress("NOTHING_TO_INLINE")
public fun  Iterable.lastIndexOf(element: T): Int {
    return indexOfRaw(element)
}

/**
 * Returns last index of [element], or -1 if the collection does not contain element.
 * Allows to overcome type-safety restriction of `lastIndexOf` that requires to pass an element of type `T`.
 */
@Suppress("NOTHING_TO_INLINE")
public inline fun Iterable<*>.lastIndexOfRaw(element: Any?): Int {
    return lastIndexOf(element)
}

/**
 * Returns last index of [element], or -1 if the list does not contain element.
 * Allows to overcome type-safety restriction of `lastIndexOf` that requires to pass an element of type `T`.
 */
@Suppress("NOTHING_TO_INLINE")
public inline fun  List.lastIndexOfRaw(element: Any?): Int {
    return (this as List).lastIndexOf(element)
}

/**
 * Returns the last element, or `null` if the collection is empty.
 */
public fun  Iterable.lastOrNull(): T? {
    when (this) {
        is List -> return if (isEmpty()) null else this[size() - 1]
        else -> {
            val iterator = iterator()
            if (!iterator.hasNext())
                return null
            var last = iterator.next()
            while (iterator.hasNext())
                last = iterator.next()
            return last
        }
    }
}

/**
 * Returns the last element, or `null` if the list is empty.
 */
public fun  List.lastOrNull(): T? {
    return if (isEmpty()) null else this[size() - 1]
}

/**
 * Returns the last element matching the given [predicate], or `null` if no such element was found.
 */
public inline fun  Iterable.lastOrNull(predicate: (T) -> Boolean): T? {
    if (this is List)
        return this.lastOrNull(predicate)
    var last: T? = null
    for (element in this) {
        if (predicate(element)) {
            last = element
        }
    }
    return last
}

/**
 * Returns the last element matching the given [predicate], or `null` if no such element was found.
 */
public inline fun  List.lastOrNull(predicate: (T) -> Boolean): T? {
    for (index in this.indices.reversed()) {
        val element = this[index]
        if (predicate(element)) return element
    }
    return null
}

/**
 * Returns the single element, or throws an exception if the collection is empty or has more than one element.
 */
public fun  Iterable.single(): T {
    when (this) {
        is List -> return when (size()) {
            0 -> throw NoSuchElementException("Collection is empty.")
            1 -> this[0]
            else -> throw IllegalArgumentException("Collection has more than one element.")
        }
        else -> {
            val iterator = iterator()
            if (!iterator.hasNext())
                throw NoSuchElementException("Collection is empty.")
            var single = iterator.next()
            if (iterator.hasNext())
                throw IllegalArgumentException("Collection has more than one element.")
            return single
        }
    }
}

/**
 * Returns the single element, or throws an exception if the list is empty or has more than one element.
 */
public fun  List.single(): T {
    return when (size()) {
        0 -> throw NoSuchElementException("Collection is empty.")
        1 -> this[0]
        else -> throw IllegalArgumentException("Collection has more than one element.")
    }
}

/**
 * Returns the single element matching the given [predicate], or throws exception if there is no or more than one matching element.
 */
public inline fun  Iterable.single(predicate: (T) -> Boolean): T {
    var single: T? = null
    var found = false
    for (element in this) {
        if (predicate(element)) {
            if (found) throw IllegalArgumentException("Collection contains more than one matching element.")
            single = element
            found = true
        }
    }
    if (!found) throw NoSuchElementException("Collection doesn't contain any element matching predicate.")
    return single as T
}

/**
 * Returns single element, or `null` if the collection is empty or has more than one element.
 */
public fun  Iterable.singleOrNull(): T? {
    when (this) {
        is List -> return if (size() == 1) this[0] else null
        else -> {
            val iterator = iterator()
            if (!iterator.hasNext())
                return null
            var single = iterator.next()
            if (iterator.hasNext())
                return null
            return single
        }
    }
}

/**
 * Returns single element, or `null` if the list is empty or has more than one element.
 */
public fun  List.singleOrNull(): T? {
    return if (size() == 1) this[0] else null
}

/**
 * Returns the single element matching the given [predicate], or `null` if element was not found or more than one element was found.
 */
public inline fun  Iterable.singleOrNull(predicate: (T) -> Boolean): T? {
    var single: T? = null
    var found = false
    for (element in this) {
        if (predicate(element)) {
            if (found) return null
            single = element
            found = true
        }
    }
    if (!found) return null
    return single
}

/**
 * Returns a list containing all elements except first [n] elements.
 */
public fun  Iterable.drop(n: Int): List {
    require(n >= 0, { "Requested element count $n is less than zero." })
    if (n == 0) return toList()
    val list: ArrayList
    if (this is Collection<*>) {
        val resultSize = size() - n
        if (resultSize <= 0)
            return emptyList()
        list = ArrayList(resultSize)
        if (this is List) {
            for (index in n..size() - 1) {
                list.add(this[index])
            }
            return list
        }
    }
    else {
        list = ArrayList()
    }
    var count = 0
    for (item in this) {
        if (count++ >= n) list.add(item)
    }
    return list
}

/**
 * Returns a list containing all elements except last [n] elements.
 */
public fun  List.dropLast(n: Int): List {
    require(n >= 0, { "Requested element count $n is less than zero." })
    return take((size() - n).coerceAtLeast(0))
}

/**
 * Returns a list containing all elements except last elements that satisfy the given [predicate].
 */
public inline fun  List.dropLastWhile(predicate: (T) -> Boolean): List {
    for (index in lastIndex downTo 0) {
        if (!predicate(this[index])) {
            return take(index + 1)
        }
    }
    return emptyList()
}

/**
 * Returns a list containing all elements except first elements that satisfy the given [predicate].
 */
public inline fun  Iterable.dropWhile(predicate: (T) -> Boolean): List {
    var yielding = false
    val list = ArrayList()
    for (item in this)
        if (yielding)
            list.add(item)
        else if (!predicate(item)) {
            list.add(item)
            yielding = true
        }
    return list
}

/**
 * Returns a list containing only elements matching the given [predicate].
 */
public inline fun  Iterable.filter(predicate: (T) -> Boolean): List {
    return filterTo(ArrayList(), predicate)
}

/**
 * Returns a list containing only elements matching the given [predicate].
 */
public inline fun  Iterable.filterIndexed(predicate: (Int, T) -> Boolean): List {
    return filterIndexedTo(ArrayList(), predicate)
}

/**
 * Appends all elements matching the given [predicate] to the given [destination].
 */
public inline fun > Iterable.filterIndexedTo(destination: C, predicate: (Int, T) -> Boolean): C {
    forEachIndexed { index, element ->
        if (predicate(index, element)) destination.add(element)
    }
    return destination
}

/**
 * Returns a list containing all elements not matching the given [predicate].
 */
public inline fun  Iterable.filterNot(predicate: (T) -> Boolean): List {
    return filterNotTo(ArrayList(), predicate)
}

/**
 * Returns a list containing all elements that are not `null`.
 */
public fun  Iterable.filterNotNull(): List {
    return filterNotNullTo(ArrayList())
}

/**
 * Appends all elements that are not `null` to the given [destination].
 */
public fun , T : Any> Iterable.filterNotNullTo(destination: C): C {
    for (element in this) if (element != null) destination.add(element)
    return destination
}

/**
 * Appends all elements not matching the given [predicate] to the given [destination].
 */
public inline fun > Iterable.filterNotTo(destination: C, predicate: (T) -> Boolean): C {
    for (element in this) if (!predicate(element)) destination.add(element)
    return destination
}

/**
 * Appends all elements matching the given [predicate] to the given [destination].
 */
public inline fun > Iterable.filterTo(destination: C, predicate: (T) -> Boolean): C {
    for (element in this) if (predicate(element)) destination.add(element)
    return destination
}

/**
 * Returns a list containing elements at indices in the specified [indices] range.
 */
public fun  List.slice(indices: IntRange): List {
    if (indices.isEmpty()) return listOf()
    return this.subList(indices.start, indices.end + 1).toList()
}

/**
 * Returns a list containing elements at specified [indices].
 */
public fun  List.slice(indices: Iterable): List {
    val size = indices.collectionSizeOrDefault(10)
    if (size == 0) return listOf()
    val list = ArrayList(size)
    for (index in indices) {
        list.add(get(index))
    }
    return list
}

/**
 * Returns a list containing first [n] elements.
 */
public fun  Iterable.take(n: Int): List {
    require(n >= 0, { "Requested element count $n is less than zero." })
    if (n == 0) return emptyList()
    if (this is Collection && n >= size()) return toList()
    var count = 0
    val list = ArrayList(n)
    for (item in this) {
        if (count++ == n)
            break
        list.add(item)
    }
    return list
}

/**
 * Returns a list containing last [n] elements.
 */
public fun  List.takeLast(n: Int): List {
    require(n >= 0, { "Requested element count $n is less than zero." })
    if (n == 0) return emptyList()
    val size = size()
    if (n >= size) return toList()
    val list = ArrayList(n)
    for (index in size - n .. size - 1)
        list.add(this[index])
    return list
}

/**
 * Returns a list containing last elements satisfying the given [predicate].
 */
public inline fun  List.takeLastWhile(predicate: (T) -> Boolean): List {
    for (index in lastIndex downTo 0) {
        if (!predicate(this[index])) {
            return drop(index + 1)
        }
    }
    return toList()
}

/**
 * Returns a list containing first elements satisfying the given [predicate].
 */
public inline fun  Iterable.takeWhile(predicate: (T) -> Boolean): List {
    val list = ArrayList()
    for (item in this) {
        if (!predicate(item))
            break;
        list.add(item)
    }
    return list
}

/**
 * Reverses elements in the list in-place.
 */
public fun  MutableList.reverse(): Unit {
    java.util.Collections.reverse(this)
}

/**
 * Returns a list with elements in reversed order.
 */
public fun  Iterable.reversed(): List {
    if (this is Collection && isEmpty()) return emptyList()
    val list = toArrayList()
    Collections.reverse(list)
    return list
}

/**
 * Sorts elements in the list in-place according to natural sort order of the value returned by specified [selector] function.
 */
public inline fun > MutableList.sortBy(crossinline selector: (T) -> R?): Unit {
    if (size > 1) sortWith(compareBy(selector))
}

/**
 * Sorts elements in the list in-place descending according to natural sort order of the value returned by specified [selector] function.
 */
public inline fun > MutableList.sortByDescending(crossinline selector: (T) -> R?): Unit {
    if (size > 1) sortWith(compareByDescending(selector))
}

/**
 * Sorts elements in the list in-place descending according to their natural sort order.
 */
public fun > MutableList.sortDescending(): Unit {
    sortWith(reverseOrder())
}

/**
 * Returns a list of all elements sorted according to their natural sort order.
 */
public fun > Iterable.sorted(): List {
    if (this is Collection) {
        if (size <= 1) return this.toArrayList()
        return (toTypedArray>() as Array).apply { sort() }.asList()
    }
    return toArrayList().apply { sort() }
}

/**
 * Returns a list of all elements sorted according to natural sort order of the value returned by specified [selector] function.
 */
public inline fun > Iterable.sortedBy(crossinline selector: (T) -> R?): List {
    return sortedWith(compareBy(selector))
}

/**
 * Returns a list of all elements sorted descending according to natural sort order of the value returned by specified [selector] function.
 */
public inline fun > Iterable.sortedByDescending(crossinline selector: (T) -> R?): List {
    return sortedWith(compareByDescending(selector))
}

/**
 * Returns a list of all elements sorted descending according to their natural sort order.
 */
public fun > Iterable.sortedDescending(): List {
    return sortedWith(reverseOrder())
}

/**
 * Returns a list of all elements sorted according to the specified [comparator].
 */
public fun  Iterable.sortedWith(comparator: Comparator): List {
    if (this is Collection) {
       if (size <= 1) return this.toArrayList()
       return (toTypedArray() as Array).apply { sortWith(comparator) }.asList()
    }
    return toArrayList().apply { sortWith(comparator) }
}

/**
 * Returns an array of Boolean containing all of the elements of this collection.
 */
public fun Collection.toBooleanArray(): BooleanArray {
    val result = BooleanArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Byte containing all of the elements of this collection.
 */
public fun Collection.toByteArray(): ByteArray {
    val result = ByteArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Char containing all of the elements of this collection.
 */
public fun Collection.toCharArray(): CharArray {
    val result = CharArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Double containing all of the elements of this collection.
 */
public fun Collection.toDoubleArray(): DoubleArray {
    val result = DoubleArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Float containing all of the elements of this collection.
 */
public fun Collection.toFloatArray(): FloatArray {
    val result = FloatArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Int containing all of the elements of this collection.
 */
public fun Collection.toIntArray(): IntArray {
    val result = IntArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Long containing all of the elements of this collection.
 */
public fun Collection.toLongArray(): LongArray {
    val result = LongArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an array of Short containing all of the elements of this collection.
 */
public fun Collection.toShortArray(): ShortArray {
    val result = ShortArray(size())
    var index = 0
    for (element in this)
        result[index++] = element
    return result
}

/**
 * Returns an [ArrayList] of all elements.
 */
public fun  Collection.toArrayList(): ArrayList {
    return ArrayList(this)
}

/**
 * Returns an [ArrayList] of all elements.
 */
public fun  Iterable.toArrayList(): ArrayList {
    if (this is Collection)
        return this.toArrayList()
    return toCollection(ArrayList())
}

/**
 * Appends all elements to the given [collection].
 */
public fun > Iterable.toCollection(collection: C): C {
    for (item in this) {
        collection.add(item)
    }
    return collection
}

/**
 * Returns a [HashSet] of all elements.
 */
public fun  Iterable.toHashSet(): HashSet {
    return toCollection(HashSet(mapCapacity(collectionSizeOrDefault(12))))
}

/**
 * Returns a [LinkedList] containing all elements.
 */
@Deprecated("Use toCollection(LinkedList()) instead.", ReplaceWith("toCollection(LinkedList())"))
public fun  Iterable.toLinkedList(): LinkedList {
    return toCollection(LinkedList())
}

/**
 * Returns a [List] containing all elements.
 */
public fun  Iterable.toList(): List {
    return this.toArrayList()
}

@Deprecated("Use toMapBy instead.", ReplaceWith("toMapBy(selector)"))
public inline fun  Iterable.toMap(selector: (T) -> K): Map {
    return toMapBy(selector)
}

/**
 * Returns Map containing the values provided by [transform] and indexed by [selector] functions applied to elements of the given collection.
 * If any two elements would have the same key returned by [selector] the last one gets added to the map.
 */
public inline fun  Iterable.toMap(selector: (T) -> K, transform: (T) -> V): Map {
    val capacity = (collectionSizeOrDefault(10)/.75f) + 1
    val result = LinkedHashMap(Math.max(capacity.toInt(), 16))
    for (element in this) {
        result.put(selector(element), transform(element))
    }
    return result
}

/**
 * Returns Map containing the elements from the given collection indexed by the key
 * returned from [selector] function applied to each element.
 * If any two elements would have the same key returned by [selector] the last one gets added to the map.
 */
public inline fun  Iterable.toMapBy(selector: (T) -> K): Map {
    val capacity = (collectionSizeOrDefault(10)/.75f) + 1
    val result = LinkedHashMap(Math.max(capacity.toInt(), 16))
    for (element in this) {
        result.put(selector(element), element)
    }
    return result
}

/**
 * Returns a [Set] of all elements.
 */
public fun  Iterable.toSet(): Set {
    return toCollection(LinkedHashSet(mapCapacity(collectionSizeOrDefault(12))))
}

/**
 * Returns a [SortedSet] of all elements.
 */
public fun  Iterable.toSortedSet(): SortedSet {
    return toCollection(TreeSet())
}

/**
 * Returns a single list of all elements yielded from results of [transform] function being invoked on each element of original collection.
 */
public inline fun  Iterable.flatMap(transform: (T) -> Iterable): List {
    return flatMapTo(ArrayList(), transform)
}

/**
 * Appends all elements yielded from results of [transform] function being invoked on each element of original collection, to the given [destination].
 */
public inline fun > Iterable.flatMapTo(destination: C, transform: (T) -> Iterable): C {
    for (element in this) {
        val list = transform(element)
        destination.addAll(list)
    }
    return destination
}

/**
 * Returns a map of the elements in original collection grouped by the result of given [toKey] function.
 */
public inline fun  Iterable.groupBy(toKey: (T) -> K): Map> {
    return groupByTo(LinkedHashMap>(), toKey)
}

/**
 * Appends elements from original collection grouped by the result of given [toKey] function to the given [map].
 */
public inline fun  Iterable.groupByTo(map: MutableMap>, toKey: (T) -> K): Map> {
    for (element in this) {
        val key = toKey(element)
        val list = map.getOrPut(key) { ArrayList() }
        list.add(element)
    }
    return map
}

/**
 * Returns a list containing the results of applying the given [transform] function
 * to each element in the original collection.
 */
public inline fun  Iterable.map(transform: (T) -> R): List {
    return mapTo(ArrayList(collectionSizeOrDefault(10)), transform)
}

/**
 * Returns a list containing the results of applying the given [transform] function
 * to each element and its index in the original collection.
 */
public inline fun  Iterable.mapIndexed(transform: (Int, T) -> R): List {
    return mapIndexedTo(ArrayList(collectionSizeOrDefault(10)), transform)
}

/**
 * Returns a list containing only the non-null results of applying the given [transform] function
 * to each element and its index in the original collection.
 */
public inline fun  Iterable.mapIndexedNotNull(transform: (Int, T) -> R?): List {
    return mapIndexedNotNullTo(ArrayList(), transform)
}

/**
 * Applies the given [transform] function to each element and its index in the original collection
 * and appends only the non-null results to the given [destination].
 */
public inline fun > Iterable.mapIndexedNotNullTo(destination: C, transform: (Int, T) -> R?): C {
    forEachIndexed { index, element -> transform(index, element)?.let { destination.add(it) } }
    return destination
}

/**
 * Applies the given [transform] function to each element and its index in the original collection
 * and appends the results to the given [destination].
 */
public inline fun > Iterable.mapIndexedTo(destination: C, transform: (Int, T) -> R): C {
    var index = 0
    for (item in this)
        destination.add(transform(index++, item))
    return destination
}

/**
 * Returns a list containing only the non-null results of applying the given [transform] function
 * to each element in the original collection.
 */
public inline fun  Iterable.mapNotNull(transform: (T) -> R?): List {
    return mapNotNullTo(ArrayList(), transform)
}

/**
 * Applies the given [transform] function to each element in the original collection
 * and appends only the non-null results to the given [destination].
 */
public inline fun > Iterable.mapNotNullTo(destination: C, transform: (T) -> R?): C {
    forEach { element -> transform(element)?.let { destination.add(it) } }
    return destination
}

/**
 * Applies the given [transform] function to each element of the original collection
 * and appends the results to the given [destination].
 */
public inline fun > Iterable.mapTo(destination: C, transform: (T) -> R): C {
    for (item in this)
        destination.add(transform(item))
    return destination
}

/**
 * Returns a lazy [Iterable] of [IndexedValue] for each element of the original collection.
 */
public fun  Iterable.withIndex(): Iterable> {
    return IndexingIterable { iterator() }
}

/**
 * Returns a list containing only distinct elements from the given collection.
 * The elements in the resulting list are in the same order as they were in the source collection.
 */
public fun  Iterable.distinct(): List {
    return this.toMutableSet().toList()
}

/**
 * Returns a list containing only distinct elements from the given collection according to the [keySelector].
 * The elements in the resulting list are in the same order as they were in the source collection.
 */
public inline fun  Iterable.distinctBy(keySelector: (T) -> K): List {
    val set = HashSet()
    val list = ArrayList()
    for (e in this) {
        val key = keySelector(e)
        if (set.add(key))
            list.add(e)
    }
    return list
}

/**
 * Returns a set containing all elements that are contained by both this set and the specified collection.
 */
public fun  Iterable.intersect(other: Iterable): Set {
    val set = this.toMutableSet()
    set.retainAll(other)
    return set
}

/**
 * Returns a set containing all elements that are contained by this set and not contained by the specified collection.
 */
public fun  Iterable.subtract(other: Iterable): Set {
    val set = this.toMutableSet()
    set.removeAll(other)
    return set
}

/**
 * Returns a mutable set containing all distinct elements from the given collection.
 */
public fun  Iterable.toMutableSet(): MutableSet {
    return when (this) {
        is Collection -> LinkedHashSet(this)
        else -> toCollection(LinkedHashSet())
    }
}

/**
 * Returns a set containing all distinct elements from both collections.
 */
public fun  Iterable.union(other: Iterable): Set {
    val set = this.toMutableSet()
    set.addAll(other)
    return set
}

/**
 * Returns `true` if all elements match the given [predicate].
 */
public inline fun  Iterable.all(predicate: (T) -> Boolean): Boolean {
    for (element in this) if (!predicate(element)) return false
    return true
}

/**
 * Returns `true` if collection has at least one element.
 */
public fun  Iterable.any(): Boolean {
    for (element in this) return true
    return false
}

/**
 * Returns `true` if at least one element matches the given [predicate].
 */
public inline fun  Iterable.any(predicate: (T) -> Boolean): Boolean {
    for (element in this) if (predicate(element)) return true
    return false
}

/**
 * Returns the number of elements in this collection.
 */
public fun  Collection.count(): Int {
    return size()
}

/**
 * Returns the number of elements in this collection.
 */
public fun  Iterable.count(): Int {
    var count = 0
    for (element in this) count++
    return count
}

/**
 * Returns the number of elements matching the given [predicate].
 */
public inline fun  Iterable.count(predicate: (T) -> Boolean): Int {
    var count = 0
    for (element in this) if (predicate(element)) count++
    return count
}

/**
 * Accumulates value starting with [initial] value and applying [operation] from left to right to current accumulator value and each element.
 */
public inline fun  Iterable.fold(initial: R, operation: (R, T) -> R): R {
    var accumulator = initial
    for (element in this) accumulator = operation(accumulator, element)
    return accumulator
}

/**
 * Accumulates value starting with [initial] value and applying [operation] from right to left to each element and current accumulator value.
 */
public inline fun  List.foldRight(initial: R, operation: (T, R) -> R): R {
    var index = lastIndex
    var accumulator = initial
    while (index >= 0) {
        accumulator = operation(get(index--), accumulator)
    }
    return accumulator
}

/**
 * Performs the given [operation] on each element.
 */
public inline fun  Iterable.forEach(operation: (T) -> Unit): Unit {
    for (element in this) operation(element)
}

/**
 * Performs the given [operation] on each element, providing sequential index with the element.
 */
public inline fun  Iterable.forEachIndexed(operation: (Int, T) -> Unit): Unit {
    var index = 0
    for (item in this) operation(index++, item)
}

/**
 * Returns the largest element or `null` if there are no elements.
 */
public fun > Iterable.max(): T? {
    val iterator = iterator()
    if (!iterator.hasNext()) return null
    var max = iterator.next()
    while (iterator.hasNext()) {
        val e = iterator.next()
        if (max < e) max = e
    }
    return max
}

/**
 * Returns the first element yielding the largest value of the given function or `null` if there are no elements.
 */
public inline fun , T : Any> Iterable.maxBy(f: (T) -> R): T? {
    val iterator = iterator()
    if (!iterator.hasNext()) return null
    var maxElem = iterator.next()
    var maxValue = f(maxElem)
    while (iterator.hasNext()) {
        val e = iterator.next()
        val v = f(e)
        if (maxValue < v) {
            maxElem = e
            maxValue = v
        }
    }
    return maxElem
}

/**
 * Returns the smallest element or `null` if there are no elements.
 */
public fun > Iterable.min(): T? {
    val iterator = iterator()
    if (!iterator.hasNext()) return null
    var min = iterator.next()
    while (iterator.hasNext()) {
        val e = iterator.next()
        if (min > e) min = e
    }
    return min
}

/**
 * Returns the first element yielding the smallest value of the given function or `null` if there are no elements.
 */
public inline fun , T : Any> Iterable.minBy(f: (T) -> R): T? {
    val iterator = iterator()
    if (!iterator.hasNext()) return null
    var minElem = iterator.next()
    var minValue = f(minElem)
    while (iterator.hasNext()) {
        val e = iterator.next()
        val v = f(e)
        if (minValue > v) {
            minElem = e
            minValue = v
        }
    }
    return minElem
}

/**
 * Returns `true` if the collection has no elements.
 */
public fun  Iterable.none(): Boolean {
    for (element in this) return false
    return true
}

/**
 * Returns `true` if no elements match the given [predicate].
 */
public inline fun  Iterable.none(predicate: (T) -> Boolean): Boolean {
    for (element in this) if (predicate(element)) return false
    return true
}

/**
 * Accumulates value starting with the first element and applying [operation] from left to right to current accumulator value and each element.
 */
public inline fun  Iterable.reduce(operation: (S, T) -> S): S {
    val iterator = this.iterator()
    if (!iterator.hasNext()) throw UnsupportedOperationException("Empty iterable can't be reduced.")
    var accumulator: S = iterator.next()
    while (iterator.hasNext()) {
        accumulator = operation(accumulator, iterator.next())
    }
    return accumulator
}

/**
 * Accumulates value starting with last element and applying [operation] from right to left to each element and current accumulator value.
 */
public inline fun  List.reduceRight(operation: (T, S) -> S): S {
    var index = lastIndex
    if (index < 0) throw UnsupportedOperationException("Empty iterable can't be reduced.")
    var accumulator: S = get(index--)
    while (index >= 0) {
        accumulator = operation(get(index--), accumulator)
    }
    return accumulator
}

/**
 * Returns the sum of all values produced by [transform] function applied to each element in the collection.
 */
public inline fun  Iterable.sumBy(transform: (T) -> Int): Int {
    var sum: Int = 0
    for (element in this) {
        sum += transform(element)
    }
    return sum
}

/**
 * Returns the sum of all values produced by [transform] function applied to each element in the collection.
 */
public inline fun  Iterable.sumByDouble(transform: (T) -> Double): Double {
    var sum: Double = 0.0
    for (element in this) {
        sum += transform(element)
    }
    return sum
}

/**
 * Returns an original collection containing all the non-`null` elements, throwing an [IllegalArgumentException] if there are any `null` elements.
 */
public fun  Iterable.requireNoNulls(): Iterable {
    for (element in this) {
        if (element == null) {
            throw IllegalArgumentException("null element found in $this.")
        }
    }
    return this as Iterable
}

/**
 * Returns an original collection containing all the non-`null` elements, throwing an [IllegalArgumentException] if there are any `null` elements.
 */
public fun  List.requireNoNulls(): List {
    for (element in this) {
        if (element == null) {
            throw IllegalArgumentException("null element found in $this.")
        }
    }
    return this as List
}

/**
 * Returns a list containing all elements of the original collection except the elements contained in the given [array].
 */
public operator fun  Iterable.minus(array: Array): List {
    if (array.isEmpty()) return this.toList()
    val other = array.toHashSet()
    return this.filterNot { it in other }
}

/**
 * Returns a list containing all elements of the original collection except the elements contained in the given [collection].
 */
public operator fun  Iterable.minus(collection: Iterable): List {
    val other = collection.convertToSetForSetOperationWith(this)
    if (other.isEmpty())
        return this.toList()
    return this.filterNot { it in other }
}

/**
 * Returns a list containing all elements of the original collection without the first occurrence of the given [element].
 */
public operator fun  Iterable.minus(element: T): List {
    val result = ArrayList(collectionSizeOrDefault(10))
    var removed = false
    return this.filterTo(result) { if (!removed && it == element) { removed = true; false } else true }
}

/**
 * Returns a list containing all elements of the original collection except the elements contained in the given [sequence].
 */
public operator fun  Iterable.minus(sequence: Sequence): List {
    val other = sequence.toHashSet()
    if (other.isEmpty())
        return this.toList()
    return this.filterNot { it in other }
}

/**
 * Splits the original collection into pair of lists,
 * where *first* list contains elements for which [predicate] yielded `true`,
 * while *second* list contains elements for which [predicate] yielded `false`.
 */
public inline fun  Iterable.partition(predicate: (T) -> Boolean): Pair, List> {
    val first = ArrayList()
    val second = ArrayList()
    for (element in this) {
        if (predicate(element)) {
            first.add(element)
        } else {
            second.add(element)
        }
    }
    return Pair(first, second)
}

/**
 * Returns a list containing all elements of the original collection and then all elements of the given [array].
 */
public operator fun  Collection.plus(array: Array): List {
    val result = ArrayList(this.size() + array.size())
    result.addAll(this)
    result.addAll(array)
    return result
}

/**
 * Returns a list containing all elements of the original collection and then all elements of the given [array].
 */
public operator fun  Iterable.plus(array: Array): List {
    if (this is Collection) return this.plus(array)
    val result = ArrayList()
    result.addAll(this)
    result.addAll(array)
    return result
}

/**
 * Returns a list containing all elements of the original collection and then all elements of the given [collection].
 */
public operator fun  Collection.plus(collection: Iterable): List {
    if (collection is Collection) {
        val result = ArrayList(this.size() + collection.size())
        result.addAll(this)
        result.addAll(collection)
        return result
    } else {
        val result = ArrayList(this)
        result.addAll(collection)
        return result
    }
}

/**
 * Returns a list containing all elements of the original collection and then all elements of the given [collection].
 */
public operator fun  Iterable.plus(collection: Iterable): List {
    if (this is Collection) return this.plus(collection)
    val result = ArrayList()
    result.addAll(this)
    result.addAll(collection)
    return result
}

/**
 * Returns a list containing all elements of the original collection and then the given [element].
 */
public operator fun  Collection.plus(element: T): List {
    val result = ArrayList(size() + 1)
    result.addAll(this)
    result.add(element)
    return result
}

/**
 * Returns a list containing all elements of the original collection and then the given [element].
 */
public operator fun  Iterable.plus(element: T): List {
    if (this is Collection) return this.plus(element)
    val result = ArrayList()
    result.addAll(this)
    result.add(element)
    return result
}

/**
 * Returns a list containing all elements of the original collection and then all elements of the given [sequence].
 */
public operator fun  Collection.plus(sequence: Sequence): List {
    val result = ArrayList(this.size() + 10)
    result.addAll(this)
    result.addAll(sequence)
    return result
}

/**
 * Returns a list containing all elements of the original collection and then all elements of the given [sequence].
 */
public operator fun  Iterable.plus(sequence: Sequence): List {
    val result = ArrayList()
    result.addAll(this)
    result.addAll(sequence)
    return result
}

/**
 * Returns a list of pairs built from elements of both collections with same indexes. List has length of shortest collection.
 */
public fun  Iterable.zip(array: Array): List> {
    return zip(array) { t1, t2 -> t1 to t2 }
}

/**
 * Returns a list of values built from elements of both collections with same indexes using provided [transform]. List has length of shortest collection.
 */
public inline fun  Iterable.zip(array: Array, transform: (T, R) -> V): List {
    val arraySize = array.size()
    val list = ArrayList(Math.min(collectionSizeOrDefault(10), arraySize))
    var i = 0
    for (element in this) {
        if (i >= arraySize) break
        list.add(transform(element, array[i++]))
    }
    return list
}

/**
 * Returns a list of pairs built from elements of both collections with same indexes. List has length of shortest collection.
 */
public fun  Iterable.zip(other: Iterable): List> {
    return zip(other) { t1, t2 -> t1 to t2 }
}

/**
 * Returns a list of values built from elements of both collections with same indexes using provided [transform]. List has length of shortest collection.
 */
public inline fun  Iterable.zip(other: Iterable, transform: (T, R) -> V): List {
    val first = iterator()
    val second = other.iterator()
    val list = ArrayList(Math.min(collectionSizeOrDefault(10), other.collectionSizeOrDefault(10)))
    while (first.hasNext() && second.hasNext()) {
        list.add(transform(first.next(), second.next()))
    }
    return list
}

/**
 * Appends the string from all the elements separated using [separator] and using the given [prefix] and [postfix] if supplied.
 * If the collection could be huge, you can specify a non-negative value of [limit], in which case only the first [limit]
 * elements will be appended, followed by the [truncated] string (which defaults to "...").
 */
public fun  Iterable.joinTo(buffer: A, separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "", limit: Int = -1, truncated: CharSequence = "...", transform: ((T) -> CharSequence)? = null): A {
    buffer.append(prefix)
    var count = 0
    for (element in this) {
        if (++count > 1) buffer.append(separator)
        if (limit < 0 || count <= limit) {
            if (transform != null)
                buffer.append(transform(element))
            else
                buffer.append(if (element == null) "null" else element.toString())
        } else break
    }
    if (limit >= 0 && count > limit) buffer.append(truncated)
    buffer.append(postfix)
    return buffer
}

@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
public fun  Iterable.joinTo(buffer: A, separator: String = ", ", prefix: String = "", postfix: String = "", limit: Int = -1, truncated: String = "...", transform: ((T) -> String)? = null): A {
    return joinTo(buffer, separator, prefix, postfix, limit, truncated, transform)
}

/**
 * Creates a string from all the elements separated using [separator] and using the given [prefix] and [postfix] if supplied.
 * If the collection could be huge, you can specify a non-negative value of [limit], in which case only the first [limit]
 * elements will be appended, followed by the [truncated] string (which defaults to "...").
 */
public fun  Iterable.joinToString(separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "", limit: Int = -1, truncated: CharSequence = "...", transform: ((T) -> CharSequence)? = null): String {
    return joinTo(StringBuilder(), separator, prefix, postfix, limit, truncated, transform).toString()
}

@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
public fun  Iterable.joinToString(separator: String = ", ", prefix: String = "", postfix: String = "", limit: Int = -1, truncated: String = "...", transform: ((T) -> String)? = null): String {
    return joinTo(StringBuilder(), separator, prefix, postfix, limit, truncated, transform).toString()
}

/**
 * Returns a sequence from the given collection.
 */
public fun  Iterable.asSequence(): Sequence {
    return object : Sequence {
        override fun iterator(): Iterator {
            return [email protected]()
        }
    }
}

/* Not available on platform: JS */







/* Not available on platform: JS */







/* Not available on platform: JS */








/* Not available on platform: JS */








/**
 * Returns an average value of elements in the collection.
 */
@kotlin.jvm.JvmName("averageOfByte")
public fun Iterable.average(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    var count: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
        count += 1
    }
    return if (count == 0) 0.0 else sum / count
}

/**
 * Returns an average value of elements in the collection.
 */
@kotlin.jvm.JvmName("averageOfDouble")
public fun Iterable.average(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    var count: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
        count += 1
    }
    return if (count == 0) 0.0 else sum / count
}

/**
 * Returns an average value of elements in the collection.
 */
@kotlin.jvm.JvmName("averageOfFloat")
public fun Iterable.average(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    var count: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
        count += 1
    }
    return if (count == 0) 0.0 else sum / count
}

/**
 * Returns an average value of elements in the collection.
 */
@kotlin.jvm.JvmName("averageOfInt")
public fun Iterable.average(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    var count: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
        count += 1
    }
    return if (count == 0) 0.0 else sum / count
}

/**
 * Returns an average value of elements in the collection.
 */
@kotlin.jvm.JvmName("averageOfLong")
public fun Iterable.average(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    var count: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
        count += 1
    }
    return if (count == 0) 0.0 else sum / count
}

/**
 * Returns an average value of elements in the collection.
 */
@kotlin.jvm.JvmName("averageOfShort")
public fun Iterable.average(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    var count: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
        count += 1
    }
    return if (count == 0) 0.0 else sum / count
}

/**
 * Returns the sum of all elements in the collection.
 */
@kotlin.jvm.JvmName("sumOfByte")
public fun Iterable.sum(): Int {
    val iterator = iterator()
    var sum: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
    }
    return sum
}

/**
 * Returns the sum of all elements in the collection.
 */
@kotlin.jvm.JvmName("sumOfDouble")
public fun Iterable.sum(): Double {
    val iterator = iterator()
    var sum: Double = 0.0
    while (iterator.hasNext()) {
        sum += iterator.next()
    }
    return sum
}

/**
 * Returns the sum of all elements in the collection.
 */
@kotlin.jvm.JvmName("sumOfFloat")
public fun Iterable.sum(): Float {
    val iterator = iterator()
    var sum: Float = 0.0f
    while (iterator.hasNext()) {
        sum += iterator.next()
    }
    return sum
}

/**
 * Returns the sum of all elements in the collection.
 */
@kotlin.jvm.JvmName("sumOfInt")
public fun Iterable.sum(): Int {
    val iterator = iterator()
    var sum: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
    }
    return sum
}

/**
 * Returns the sum of all elements in the collection.
 */
@kotlin.jvm.JvmName("sumOfLong")
public fun Iterable.sum(): Long {
    val iterator = iterator()
    var sum: Long = 0L
    while (iterator.hasNext()) {
        sum += iterator.next()
    }
    return sum
}

/**
 * Returns the sum of all elements in the collection.
 */
@kotlin.jvm.JvmName("sumOfShort")
public fun Iterable.sum(): Int {
    val iterator = iterator()
    var sum: Int = 0
    while (iterator.hasNext()) {
        sum += iterator.next()
    }
    return sum
}





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