39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
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// Copyright (c) 2019 Computer Vision Center (CVC) at the Universitat Autonoma
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// de Barcelona (UAB).
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//
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// This work is licensed under the terms of the MIT license.
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// For a copy, see <https://opensource.org/licenses/MIT>.
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#pragma once
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#include <type_traits>
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#include <utility>
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namespace carla {
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namespace detail {
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template <typename FunctorT>
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struct MoveWrapper : FunctorT {
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MoveWrapper(FunctorT &&f) : FunctorT(std::move(f)) {}
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MoveWrapper(MoveWrapper &&) = default;
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MoveWrapper& operator=(MoveWrapper &&) = default;
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MoveWrapper(const MoveWrapper &);
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MoveWrapper& operator=(const MoveWrapper &);
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};
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} // namespace detail
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/// Hack to trick asio into accepting move-only handlers, if the handler were
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/// actually copied it would result in a link error.
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///
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/// @see https://stackoverflow.com/a/22891509.
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template <typename FunctorT>
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auto MoveHandler(FunctorT &&func) {
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using F = typename std::decay<FunctorT>::type;
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return detail::MoveWrapper<F>{std::move(func)};
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}
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} // namespace carla
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