Function json_pointer

RedEdrShared/json.hpp:13901–13904

@brief create JSON pointer @sa https://json.nlohmann.me/api/json_pointer/json_pointer/

    /// @brief create JSON pointer
    /// @sa https://json.nlohmann.me/api/json_pointer/json_pointer/
    explicit json_pointer(const string_t& s = "")
        : reference_tokens(split(s))
    {
    }

    /// @brief return a string representation of the JSON pointer
    /// @sa https://json.nlohmann.me/api/json_pointer/to_string/