namespace std { template <class Container> class front_insert_iterator : public iterator<output_iterator_tag,void,void,void,void> { protected: Container* container; public: typedef Container container_type; explicit front_insert_iterator(Container& x); front_insert_iterator<Container>& operator=(const typename Container::value_type& value); front_insert_iterator<Container>& operator=(typename Container::value_type&& value); front_insert_iterator<Container>& operator*(); front_insert_iterator<Container>& operator++(); front_insert_iterator<Container> operator++(int); }; template <class Container> front_insert_iterator<Container> front_inserter(Container& x); }