#pragma once
/////////////////////////////////////////////////////////////////////////
// TopLevel.h - demonstrate how class structures become rigid          //
//                                                                     //
// Jim Fawcett, CSE775 - Distributed Objects, Summer 2010              //
/////////////////////////////////////////////////////////////////////////
/*
   Note:
   When client includes this file, e.g., TopLevel.h, it also gets
   LowerLevel.h.  So if the implementation of LowerLevel changes, 
   perhaps to add a new data member, the client must be recompiled.
*/
#include "LowerLevel.h"

class TopLevel
{
public:
  TopLevel(void);
  ~TopLevel(void);
  void say();
private:
  LowerLevel ll;  // here's the problem
};