namespace cv
{
    //matrix object derived from cv::Mat
    class Mvbl_Mat final: public Mat
    {
        public:
          //constructors
          Mvbl_Mat(){};
          Mvbl_Mat(int rows, int cols, int type, const Scalar   &s):Mat(rows, cols, type, s){}
         //destructor
         ~Mvbl_Mat(){};

          //move constructor
          Mvbl_Mat(Mvbl_Mat && other) noexcept
          {
              this->data=other.data;
              other.data=nullptr;
           }
          //move assignment operator
          Mvbl_Mat & operator=(Mvbl_Mat && other)
          {
              this->data=other.data;
              other.data=nullptr;
              return *this;
          }
     };

}

namespace std
{
    //specialization of std::move for cv::Mvbl_Mat
    template<>
    constexpr typename std::remove_reference<cv::Mvbl_Mat>::type&&
    move(cv::Mvbl_Mat&& __t)
    {
        return static_cast<typename std::remove_reference<cv::Mvbl_Mat>::type&&>(__t);
    }
}