constexpr back_insert_iterator();
Effects: Value-initializes container.
explicit back_insert_iterator(Container& x);
Effects: Initializes container with addressof(x).
back_insert_iterator&
operator=(const value_type_t<Container>& value);
Effects: Equivalent to container->push_back(value).
Returns: *this.
back_insert_iterator&
operator=(value_type_t<Container>&& value);
Effects: Equivalent to 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).