optional.hpp File Reference

#include "opencv2/gapi/util/variant.hpp"

Classes
class	cv::util::bad_optional_access
class	cv::util::optional< T >

Namespaces
namespace	cv
	"black box" representation of the file storage associated with a file on disk.
namespace	cv::util

Functions
template<class T >
optional< typename std::decay < T >::type >	cv::util::make_optional (T &&value)