// @topic S-0314-09-01-20 friend functions (C/C++) // @brief class Container declaration // container.h #ifndef CONTAINER_H_INCLUDED_ #define CONTAINER_H_INCLUDED_ #include <iostream> class Container; void print_data( Container* container ); void print_data( Container& container ); std::ostream& operator<<( std::ostream& stream, Container& container ); //template< typename E > class Container { friend void print_data( Container& container ); friend void print_data( Container* container ); friend std::ostream& operator<<( std::ostream& stream, Container& container ); private: static const int DEFAULT_CONTAINER_SIZE = 4; char data[ DEFAULT_CONTAINER_SIZE ]; public: Container( char a, char b, char c, char d ); };//class Container #endif //CONTAINER_H_INCLUDED_