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case class Check[A](val value: A)
case class C2(checks: Check[_]*);
object C {
def m(x : C2): Any = (null: Any) match {
case C2(_, rest @ _*) => {
rest.map(_.value)
}
}
}
///////////////////
object Container {
trait Exp[+T]
abstract class FuncExp[-S, +T]
sealed abstract class FoundNode[T, Repr] {
def optimize[TupleT, U, That](parentNode: FlatMap[T, Repr, U, That]): Any
def optimize2[TupleT, U, That](parentNode: Any): Any
}
class FlatMap[T, Repr, U, That]
val Seq(fn: FoundNode[t, repr]) = Seq[FoundNode[_, _]]()
fn.optimize(null) // was: scala.MatchError: ? (of class BoundedWildcardType) @ Variances#varianceInType
fn.optimize2(null) // was: fatal error: bad type: ?(class scala.reflect.internal.Types$BoundedWildcardType) @ Pickle.putType
}
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