explicit back_insert_iterator(Container& x);
Effects: Initializes container with addressof(x).
back_insert_iterator& operator=(const typename Container::value_type& value);
Effects: As if by: container->push_back(value);
Returns: *this.
back_insert_iterator& operator=(typename Container::value_type&& value);
Effects: As if by: container->push_back(std::move(value));
Returns: *this.
back_insert_iterator& operator*();
Returns: *this.
back_insert_iterator& operator++();
back_insert_iterator operator++(int);
Returns: *this.
template <class Container>
back_insert_iterator<Container> back_inserter(Container& x);
Returns: back_insert_iterator<Container>(x).