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]

24.5.2.6.4 insert_iterator::operator++ [insert.iter.op++]

insert_iterator<Container>& operator++(); insert_iterator<Container>& operator++(int);

Returns: *this.