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