blob: 44be9d6c63fe77b6a7267466433a7c83b57587a2 (
plain) (
tree)
|
|
sealed trait Foo
sealed trait Bar extends Foo
sealed trait W[T >: Bar <: Foo]
sealed case class X() extends W[Foo]
sealed case class Y() extends W[Bar]
sealed case class Z[T >: Bar <: Foo](
z1: W[T]
) extends W[T]
object Main {
def func(w: W[Bar]): Int = {
w match {
// Error if I include it, warning if I do not!
// case X() => 2
case Y() => 1
case Z(z) => func(z)
}
}
}
|