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