Method pop_back

lesson6-Segmentation/json.hpp:11782–11790

! @brief remove last reference token @pre not `empty()` @liveexample{The example shows the usage of `pop_back`.,json_pointer__pop_back} @complexity Constant. @throw out_of_range.405 if JSON pointer has no parent @since version 3.6.0 */

    @since version 3.6.0
    */
    void pop_back()
    {
        if (JSON_HEDLEY_UNLIKELY(empty()))
        {
            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent"));
        }

        reference_tokens.pop_back();
    }

    /*!
    @brief return last reference token