27 Iterators library [iterators]

27.5 Iterator adaptors [predef.iterators]

27.5.1 Reverse iterators [reverse.iterators]

27.5.1.3 reverse_­iterator operations [reverse.iter.ops]

27.5.1.3.6 operator++ [reverse.iter.op++]

constexpr reverse_iterator& operator++();

Effects: As if by: --current;

Returns: *this.

constexpr reverse_iterator operator++(int);

Effects: As if by:

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