22 Iterators library [iterators]

22.5 Iterator adaptors [predef.iterators]

22.5.1 Reverse iterators [reverse.iterators]

22.5.1.5 Element access [reverse.iter.elem]

constexpr reference operator*() const;
Effects: As if by:
Iterator tmp = current;
return *--tmp;
constexpr pointer operator->() const;
Returns: addressof(operator*()).
constexpr unspecified operator[](difference_type n) const;
Returns: current[-n-1].