constexpr const_reverse_iterator rend() const noexcept;
constexpr const_reverse_iterator crend() const noexcept;
Returns a reverse iterator to the character following the last character of the reversed view. It corresponds to the character preceding the first character of the non-reversed view. This character acts as a placeholder, attempting to access it results in undefined behavior.
 Return value
const_reverse_iterator to the character following the last character.
 See also
| returns a reverse iterator to the beginning |
(public member function)