Function crend

dependencies/json/json.hpp:21293–21296

! @brief returns a const reverse iterator to one before the first Returns a const reverse iterator to the reverse-end; that is, one before the first element. @image html range-rbegin-rend.svg "Illustration from cppreference.com" @complexity Constant. @requirement This function helps `basic_json` satisfying the [ReversibleContainer](https://en.cppreference.com/w/cpp/

    @since version 1.0.0
    */
    const_reverse_iterator crend() const noexcept
    {
        return const_reverse_iterator(cbegin());
    }

  public:
    /*!