/* Code for exercise 15.3. |  | "C++ Solutions--Companion to The C++ Programming Language, Third Edition" | by David Vandevoorde; Addison-Wesley 1998; ISBN 0-201-30965-3. | | Permission to use, copy, modify, distribute and sell this software | and its documentation for any purpose is hereby granted without fee. | The author makes no representations about the suitability of this | software for any purpose.  It is provided "as is" without express or | implied warranty. `----------------------------------------------------------------------*/#ifndef PLAYER_H#define PLAYER_H#include "Board.H"struct Player {   virtual ~Player() {}   virtual void get_move(Board const&, int &r, int &c) = 0;   virtual void skip_move(Board const&) {}   virtual void win() {}   virtual void lose() {}   virtual void tie() {}};#endif