OLD | NEW |
1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_ | 5 #ifndef BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_ |
6 #define BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_ | 6 #define BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_ |
7 | 7 |
8 #include <utility> | 8 #include <utility> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 | 13 |
14 namespace internal { | 14 namespace internal { |
15 | 15 |
16 // Adapts a function that produces a result via a return value to | 16 // Adapts a function that produces a result via a return value to |
17 // one that returns via an output parameter. | 17 // one that returns via an output parameter. |
18 template <typename ReturnType> | 18 template <typename ReturnType> |
19 void ReturnAsParamAdapter(const Callback<ReturnType(void)>& func, | 19 void ReturnAsParamAdapter(OnceCallback<ReturnType()> func, ReturnType* result) { |
20 ReturnType* result) { | 20 *result = std::move(func).Run(); |
21 *result = func.Run(); | |
22 } | 21 } |
23 | 22 |
24 // Adapts a T* result to a callblack that expects a T. | 23 // Adapts a T* result to a callblack that expects a T. |
25 template <typename TaskReturnType, typename ReplyArgType> | 24 template <typename TaskReturnType, typename ReplyArgType> |
26 void ReplyAdapter(const Callback<void(ReplyArgType)>& callback, | 25 void ReplyAdapter(OnceCallback<void(ReplyArgType)> callback, |
27 TaskReturnType* result) { | 26 TaskReturnType* result) { |
28 callback.Run(std::move(*result)); | 27 std::move(callback).Run(std::move(*result)); |
29 } | 28 } |
30 | 29 |
31 } // namespace internal | 30 } // namespace internal |
32 | 31 |
33 } // namespace base | 32 } // namespace base |
34 | 33 |
35 #endif // BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_ | 34 #endif // BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_ |
OLD | NEW |