Solution 1:
Use Compound Type:
trait Narrowable[A] extends Iterable[A] {
def narrow[B <: A with AnyRef] : Iterable[B]
}
How do I setup multiple type bounds in Scala?
Solution 1:
Use Compound Type:
trait Narrowable[A] extends Iterable[A] {
def narrow[B <: A with AnyRef] : Iterable[B]
}