Jinseong Jeon
23 lines
402 B
Kotlin
Vendored
23 lines
402 B
Kotlin
Vendored
interface A<T, U : Number, V : Any> {
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fun foo(t: T, u: U): V? {
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return null
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}
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}
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interface B<T, V : Any> : A<T, Int, V>
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class C : B<String, Runnable> {
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override fun foo(t: String, u: Int): Runnable? {
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return super.foo(t, u)
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}
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}
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interface Runnable {
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fun run(): Unit
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}
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fun box(): String {
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val x = C().foo("", 0)
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return if (x == null) "OK" else "Fail: $x"
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}
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