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/*
 * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

// Auto-generated file. DO NOT EDIT!

package kotlin

import kotlin.jvm.*

@SinceKotlin("1.3")
@ExperimentalUnsignedTypes
@JvmInline
public value class ULongArray
@PublishedApi
internal constructor(@PublishedApi internal val storage: LongArray) : Collection {

    /** Creates a new array of the specified [size], with all elements initialized to zero. */
    public constructor(size: Int) : this(LongArray(size))

    /**
     * Returns the array element at the given [index]. This method can be called using the index operator.
     *
     * If the [index] is out of bounds of this array, throws an [IndexOutOfBoundsException] except in Kotlin/JS
     * where the behavior is unspecified.
     */
    public operator fun get(index: Int): ULong = storage[index].toULong()

    /**
     * Sets the element at the given [index] to the given [value]. This method can be called using the index operator.
     *
     * If the [index] is out of bounds of this array, throws an [IndexOutOfBoundsException] except in Kotlin/JS
     * where the behavior is unspecified.
     */
    public operator fun set(index: Int, value: ULong) {
        storage[index] = value.toLong()
    }

    /** Returns the number of elements in the array. */
    public override val size: Int get() = storage.size

    /** Creates an iterator over the elements of the array. */
    public override operator fun iterator(): kotlin.collections.Iterator = Iterator(storage)

    private class Iterator(private val array: LongArray) : kotlin.collections.Iterator {
        private var index = 0
        override fun hasNext() = index < array.size
        override fun next() = if (index < array.size) array[index++].toULong() else throw NoSuchElementException(index.toString())
    }

    override fun contains(element: ULong): Boolean {
        // TODO: Eliminate this check after KT-30016 gets fixed.
        // Currently JS BE does not generate special bridge method for this method.
        @Suppress("USELESS_CAST")
        if ((element as Any?) !is ULong) return false

        return storage.contains(element.toLong())
    }

    override fun containsAll(elements: Collection): Boolean {
        return (elements as Collection<*>).all { it is ULong && storage.contains(it.toLong()) }
    }

    override fun isEmpty(): Boolean = this.storage.size == 0
}

/**
 * Creates a new array of the specified [size], where each element is calculated by calling the specified
 * [init] function.
 *
 * The function [init] is called for each array element sequentially starting from the first one.
 * It should return the value for an array element given its index.
 */
@SinceKotlin("1.3")
@ExperimentalUnsignedTypes
@kotlin.internal.InlineOnly
public inline fun ULongArray(size: Int, init: (Int) -> ULong): ULongArray {
    return ULongArray(LongArray(size) { index -> init(index).toLong() })
}

@SinceKotlin("1.3")
@ExperimentalUnsignedTypes
@kotlin.internal.InlineOnly
public inline fun ulongArrayOf(vararg elements: ULong): ULongArray = elements