Dmitry Petrov
6cb0e5151c
Intrinsics for is/as/as? with mutable Kotlin collections and related types.
22 lines
545 B
Kotlin
Vendored
22 lines
545 B
Kotlin
Vendored
open class SetStringImpl {
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fun add(s: String): Boolean = false
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fun remove(o: Any?): Boolean = false
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fun clear(): Unit {}
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}
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class S : Set<String>, SetStringImpl() {
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override fun size(): Int = 0
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override fun isEmpty(): Boolean = true
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override fun contains(o: Any?): Boolean = false
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override fun iterator(): Iterator<String> = null!!
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override fun containsAll(c: Collection<Any?>) = false
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}
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fun box(): String {
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val s = S() as java.util.Set<String>
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s.add("")
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s.remove("")
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s.clear()
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return "OK"
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}
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