24 Iterators library [iterators]

24.5 Iterator adaptors [predef.iterators]

24.5.1 Reverse iterators [reverse.iterators]

24.5.1.3 reverse_iterator operations [reverse.iter.ops]

24.5.1.3.7 operator-- [reverse.iter.op--]

reverse_iterator& operator--();

1

Effects: ++current

2

Returns: *this.

reverse_iterator operator--(int);

3

Effects: 

reverse_iterator tmp = *this;
++current;
return tmp;