Initial Commit

include/asio/detail/functional.hpp

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+//
+// detail/functional.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_FUNCTIONAL_HPP
+#define ASIO_DETAIL_FUNCTIONAL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <functional>
+
+namespace asio {
+namespace detail {
+
+using std::function;
+
+} // namespace detail
+
+using std::ref;
+using std::reference_wrapper;
+
+} // namespace asio
+
+#endif // ASIO_DETAIL_FUNCTIONAL_HPP