Evgeniy.Zhelenskiy
48 lines
1.1 KiB
Kotlin
Vendored
48 lines
1.1 KiB
Kotlin
Vendored
// WITH_STDLIB
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// WORKS_WHEN_VALUE_CLASS
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// LANGUAGE: +ValueClasses
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z(val x: Int)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class ZArray(val storage: IntArray) : Collection<Z> {
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override val size: Int
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get() = storage.size
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override fun contains(element: Z): Boolean {
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return storage.contains(element.x)
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}
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override fun containsAll(elements: Collection<Z>): Boolean {
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return elements.all { contains(it) }
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}
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override fun isEmpty(): Boolean {
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return storage.isEmpty()
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}
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private class ZArrayIterator(val storage: IntArray): Iterator<Z> {
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var index = 0
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override fun hasNext(): Boolean = index < storage.size
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override fun next(): Z = Z(storage[index++])
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}
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override fun iterator(): Iterator<Z> = ZArrayIterator(storage)
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}
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fun box(): String {
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val zs = ZArray(IntArray(5))
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val testSize = zs.size
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if (testSize != 5) return "Failed: testSize=$testSize"
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val testContains = zs.contains(object {} as Any)
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if (testContains) return "Failed: testContains=$testContains"
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return "OK"
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}
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