1 //
2 // detail/winrt_async_op.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2015 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