text: #ifndef QUEUE_H_INCLUDED
  #define QUEUE_H_INCLUDED
  
  #include "stack.h"
  
  template <typename T>
  class Queue
  {
      Stack<T> pushStack, popStack;
  
      bool move();
  
  public:
      bool empty() const;
      T top();
  
      void push(const T& data);
      bool pop();
  };
  
  #endif // QUEUE_H_INCLUDED
  