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import language._
object Test {
def foo = (null: Any) match {
case a: A[k] =>
// error: kinds of the type arguments (k) do not conform to the
// expected kinds of the type parameters (type K) in class B.
new B[k]()
}
}
class A[K[L[_]]]
class B[K[M[_]]]
object Test2 {
def foo = (null: Any) match {
case a: A[k] => new B[k]() // this one worked before as the info of `A` was complete
}
}
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