/* The following code example is taken from the book * "C++ Templates - The Complete Guide" * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002 * * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002. * Permission to copy, use, modify, sell and distribute this software * is granted provided this copyright notice appears in all copies. * This software is provided "as is" without express or implied * warranty, and with no claim as to its suitability for any purpose. */template <typename T>class TypeOp <T const> {  // partial specialization for const types  public:    typedef T const   ArgT;    typedef T         BareT;    typedef T const   ConstT;    typedef T const & RefT;    typedef T &       RefBareT;    typedef T const & RefConstT;};