5 GVONoncopyable() = default;
6 GVONoncopyable( const GVONoncopyable & ) = delete;
7 GVONoncopyable& operator=(const GVONoncopyable&) = delete;
8 GVONoncopyable( const GVONoncopyable && ) = delete;
9 GVONoncopyable& operator=(const GVONoncopyable&&) = delete;