Generate arrays of unsigned types

libraries/stdlib/unsigned/src/kotlin/UByteArray.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. 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
+
+public inline class UByteArray internal constructor(private val storage: ByteArray) : Collection<UByte> {
+
+    /** Returns the array element at the given [index]. This method can be called using the index operator. */
+    public operator fun get(index: Int): UByte = storage[index].toUByte()
+
+    /** Sets the element at the given [index] to the given [value]. This method can be called using the index operator. */
+    public operator fun set(index: Int, value: UByte) {
+        storage[index] = value.toByte()
+    }
+
+    /** 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(): UByteIterator = Iterator(storage)
+
+    private class Iterator(private val array: ByteArray) : UByteIterator() {
+        private var index = 0
+        override fun hasNext() = index < array.size
+        override fun nextUByte() = if (index < array.size) array[index++].toUByte() else throw NoSuchElementException(index.toString())
+    }
+
+    override fun contains(element: UByte): Boolean = storage.contains(element.toByte())
+
+    override fun containsAll(elements: Collection<UByte>): Boolean = elements.all { storage.contains(it.toByte()) }
+
+    override fun isEmpty(): Boolean = this.storage.size == 0
+}
+
+public /*inline*/ fun UByteArray(size: Int, init: (Int) -> UByte): UByteArray {
+    return UByteArray(ByteArray(size) { index -> init(index).toByte() })
+}
+
+public fun ubyteArrayOf(vararg elements: UByte): UByteArray {
+    return UByteArray(elements.size) { index -> elements[index] }
+}