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21 lines
268 B
Kotlin
Vendored
21 lines
268 B
Kotlin
Vendored
// IGNORE_BACKEND: JS_IR
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// IGNORE_BACKEND: NATIVE
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class A : HashSet<Long>()
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fun box(): String {
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val a = A()
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val b = A()
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a.iterator()
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a.add(0L)
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a.remove(0L)
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a.addAll(b)
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a.removeAll(b)
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a.retainAll(b)
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a.clear()
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return "OK"
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}
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