/* 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. */#include <vector>#include <list>#include <stack>#include <iostream>#include <typeinfo>template <typename T> class ElementT;                    // primary templatetemplate <typename T>class ElementT<std::vector<T> > {  // partial specialization  public:    typedef T Type;};template <typename T>class ElementT<std::list<T> > {    // partial specialization  public:    typedef T Type;};template <typename T>class ElementT<std::stack<T> > {   // partial specialization  public:    typedef T Type;};template <typename T>void print_element_type (T const & c){    std::cout << "Container of "              << typeid(typename ElementT<T>::Type).name()              << " elements.\n";}int main(){    std::stack<bool> s;    print_element_type(s);}