Alexander Udalov
33 lines
615 B
Kotlin
33 lines
615 B
Kotlin
trait Base {
|
|
val x: Any
|
|
}
|
|
|
|
class A : Base {
|
|
override val x: String = ""
|
|
}
|
|
|
|
open class B : Base {
|
|
override val x: Number = 1.0
|
|
}
|
|
|
|
class C : B() {
|
|
override val x: Int = 42
|
|
}
|
|
|
|
fun test() {
|
|
val base = Base::x
|
|
base : KMemberProperty<Base, Any>
|
|
base.get(A()) : Any
|
|
<!TYPE_MISMATCH!>base.get(B())<!> : Number
|
|
<!TYPE_MISMATCH!>base.get(C())<!> : Int
|
|
|
|
val a = A::x
|
|
a : KMemberProperty<A, String>
|
|
a.get(A()) : String
|
|
<!TYPE_MISMATCH!>a.get(<!TYPE_MISMATCH!>B()<!>)<!> : Number
|
|
|
|
val b = B::x
|
|
b : KMemberProperty<B, Number>
|
|
<!TYPE_MISMATCH!>b.get(C())<!> : Int
|
|
}
|