Function back

3rd/nlohmann_json/include/nlohmann/json.hpp:4159–4164

! @brief access the last element Returns a reference to the last element in the container. For a JSON container `c`, the expression `c.back()` is equivalent to @code {.cpp} auto tmp = c.end(); --tmp; return *tmp; @endcode @return In case of a structured type (array or object), a reference to the last element is returned. In case of number, string, boolean,

    @since version 1.0.0
    */
    reference back()
    {
        auto tmp = end();
        --tmp;
        return *tmp;
    }

    /*!
    @copydoc basic_json::back()