explicit front_insert_iterator(Container& x);
Effects: Initializes container with std::addressof(x).
front_insert_iterator<Container>&
operator=(const typename Container::value_type& value);
Effects: container->push_front(value);
Returns: *this.
front_insert_iterator<Container>&
operator=(typename Container::value_type&& value);
Effects: container->push_front(std::move(value));
Returns: *this.
front_insert_iterator<Container>& operator*();
Returns: *this.
front_insert_iterator<Container>& operator++();
front_insert_iterator<Container> operator++(int);
Returns: *this.
template <class Container>
front_insert_iterator<Container> front_inserter(Container& x);
Returns: front_insert_iterator<Container>(x).