


import collection.mutable.{Stack, StackProxy}



class A extends StackProxy[Int] {
  val self = Stack[Int]()
}


object Test {
  
  def main(args: Array[String]) {
    val a = new A
    
    a push 3
    a push 4
    a push 5
    
    a.push(6, 7, 8)
    
    println(a)
    
    a pop
  }
  
}
