25 Iterators library [iterators]

25.5 Iterator adaptors [predef.iterators]

25.5.2 Insert iterators [insert.iterators]

25.5.2.2 Class template back_­insert_­iterator [back.insert.iterator]

25.5.2.2.2 back_­inserter [back.inserter]

template<class Container> constexpr back_insert_iterator<Container> back_inserter(Container& x);
Returns: back_­insert_­iterator<Container>(x).