Method cend

include/boost/json/string.hpp:876–880

Return a const iterator past the last element. The returned iterator only acts as a sentinel. Dereferencing it results in undefined behavior. @par Complexity Constant. @par Exception Safety No-throw guarantee. */

        No-throw guarantee.
    */
    const_iterator
    cend() const noexcept
    {
        return impl_.end();
    }

    /** Return a reverse iterator to the first character of the reversed container.