text: trait One {
    type Op[A]
    type Alias = Op[Int]
  }
   
  trait Two extends One {
    trait Op[A] extends M[A]
    //(a: Alias) => a.value.toChar               // okay
                                               // (=> A).asSeenFrom(a.type, trait M): => Int
    class View2 extends Alias { value.toChar } // toChar is not a member of type parameter A
                                               // (=> A).asSeenFrom(View2.this.type, trait M): => A
    
    // override type Alias = Op[Int]           // works with this
  }
  
  trait M[A] { def value: A = sys.error("") }
  