| OpenCV 5.0.0alpha Open Source Computer Vision

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optional.hpp File Reference
`#include <opencv2/gapi/util/variant.hpp>`
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## Classes
class | cv::util::bad_optional_access
class | cv::util::optional< T >

## Namespaces
namespace | cv
namespace | cv::util

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