24 Iterators library [iterators]

24.5 Iterator adaptors [predef.iterators]

24.5.2 Insert iterators [insert.iterators]

24.5.2.6 insert_iterator operations [insert.iter.ops]

24.5.2.6.3 insert_iterator::operator* [insert.iter.op*]

insert_iterator<Container>& operator*();

Returns: *this.