Method append

src/library/inputs/udevwrappers.cpp:280–280

        return value.length() + totalLength(std::forward<Rest>(rest)...);
    }
    static void append(iterator pos) { *pos = '\0'; }
    template<typename ...Rest> static void append(iterator pos, value_type value, Rest &&...rest) {
        *pos = value;
        append(std::next(pos), std::forward<Rest>(rest)...);