点阵完成，加入opencv

3rdpart/OpenCV/include/opencv2/gapi/util/copy_through_move.hpp

@@ -0,0 +1,34 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+//
+// Copyright (C) 2020 Intel Corporation
+
+#ifndef OPENCV_GAPI_UTIL_COPY_THROUGH_MOVE_HPP
+#define OPENCV_GAPI_UTIL_COPY_THROUGH_MOVE_HPP
+
+#include <opencv2/gapi/util/type_traits.hpp> //decay_t
+
+namespace cv
+{
+namespace util
+{
+    //This is a tool to move initialize captures of a lambda in C++11
+    template<typename T>
+    struct copy_through_move_t{
+       T value;
+       const T& get() const {return value;}
+       T&       get()       {return value;}
+       copy_through_move_t(T&& g) : value(std::move(g)) {}
+       copy_through_move_t(copy_through_move_t&&) = default;
+       copy_through_move_t(copy_through_move_t const& lhs) : copy_through_move_t(std::move(const_cast<copy_through_move_t&>(lhs))) {}
+    };
+
+    template<typename T>
+    copy_through_move_t<util::decay_t<T>> copy_through_move(T&& t){
+        return std::forward<T>(t);
+    }
+} // namespace util
+} // namespace cv
+
+#endif /* OPENCV_GAPI_UTIL_COPY_THROUGH_MOVE_HPP */