1  
       2  class FooBaseBase0
       3  {
       4  public:
       5    virtual ~FooBaseBase0 () {}
       6  };
       7  
       8  class FooBaseBase1
       9  {
      10  public:
      11    virtual void Bar() {}
      12  };
      13  
      14  
      15  class FooBase: public FooBaseBase0, public FooBaseBase1
      16  {
      17  public:
      18    virtual void Bar() {}
      19  };
      20  
      21  class Foo2: public FooBase
      22  {
      23  public:
      24    ~Foo2 ();
      25    virtual void Bar();
      26  };
      27  
      28  class Foo3: public FooBase
      29  {
      30  public:
      31    ~Foo3 ();
      32    virtual void Bar();
      33  };