Alexander Udalov
26 lines
412 B
Kotlin
26 lines
412 B
Kotlin
trait D1 {
|
|
fun foo(): Any
|
|
}
|
|
|
|
trait D2 {
|
|
fun foo(): Number
|
|
}
|
|
|
|
trait F3 : D1, D2
|
|
|
|
open class D4 {
|
|
fun foo(): Int = 42
|
|
}
|
|
|
|
class F5 : F3, D4()
|
|
|
|
fun box(): String {
|
|
val z = F5()
|
|
var result = z.foo()
|
|
result += (z : D4).foo()
|
|
result += (z : F3).foo() as Int
|
|
result += (z : D2).foo() as Int
|
|
result += (z : D1).foo() as Int
|
|
return if (result == 5 * 42) "OK" else "Fail: $result"
|
|
}
|