1 // 2 // detail/winrt_async_op.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef BOOST_ASIO_DETAIL_WINRT_ASYNC_OP_HPP 12 #define BOOST_ASIO_DETAIL_WINRT_ASYNC_OP_HPP 13 14 #if defined(_MSC_VER) && (_MSC_VER >= 1200) 15 # pragma once 16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) 17 18 #include <boost/asio/detail/config.hpp> 19 #include <boost/asio/detail/operation.hpp> 20 21 #include <boost/asio/detail/push_options.hpp> 22 23 namespace boost { 24 namespace asio { 25 namespace detail { 26 27 template <typename TResult> 28 class winrt_async_op 29 : public operation 30 { 31 public: 32 // The error code to be passed to the completion handler. 33 boost::system::error_code ec_; 34 35 // The result of the operation, to be passed to the completion handler. 36 TResult result_; 37 38 protected: winrt_async_op(func_type complete_func)39 winrt_async_op(func_type complete_func) 40 : operation(complete_func), 41 result_() 42 { 43 } 44 }; 45 46 template <> 47 class winrt_async_op<void> 48 : public operation 49 { 50 public: 51 // The error code to be passed to the completion handler. 52 boost::system::error_code ec_; 53 54 protected: winrt_async_op(func_type complete_func)55 winrt_async_op(func_type complete_func) 56 : operation(complete_func) 57 { 58 } 59 }; 60 61 } // namespace detail 62 } // namespace asio 63 } // namespace boost 64 65 #include <boost/asio/detail/pop_options.hpp> 66 67 #endif // BOOST_ASIO_DETAIL_WINRT_ASYNC_OP_HPP 68