import scala.reflect.runtime.universe._

case class B[T](thing: Option[T])

object Factory {
  def get: B[_] = B(Some(0))
}

class Blah {
  // Type info lost here
  val someB = Factory.get
}

def checkType[T: TypeTag](in: T) = {
  println(typeOf[T])

  typeOf[T] match {
    case o if o =:= typeOf[Option[Int]] => "hit!!"
  }
}

def process(in: Blah) = {
  in.someB match {
    case b: B[_] => checkType(b.thing)
  }
}

process(new Blah)