/* 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, T max_result>class Clamp : private Min<T> {  public:    typedef T ReturnT;    typedef T Param1T;    enum { NumParams = 1 };    ReturnT operator() (Param1T a) {        return Min<T>::operator() (a, max_result);    }};