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// Fig. 7.21: interface.h
// Header file for interface.cpp
class Implementation; // forward class declaration
class Interface {
public:
Interface( int );
void setValue( int ); // same public interface as
int getValue() const; // class Implementation
~Interface();
private:
// requires previous forward declaration (line 4)
Implementation *ptr;
}; // end class Interface
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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