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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_CALLBACK_FORWARD_H_ | 5 #ifndef BASE_CALLBACK_FORWARD_H_ |
6 #define BASE_CALLBACK_FORWARD_H_ | 6 #define BASE_CALLBACK_FORWARD_H_ |
7 | 7 |
8 namespace base { | 8 namespace base { |
9 | 9 |
10 template <typename Sig> | 10 template <typename Sig> |
11 class Callback; | 11 class Callback; |
12 | 12 |
13 // Syntactic sugar to make Callback<void(void)> easier to declare since it | 13 // Syntactic sugar to make Callback<void()> easier to declare since it |
14 // will be used in a lot of APIs with delayed execution. | 14 // will be used in a lot of APIs with delayed execution. |
15 typedef Callback<void(void)> Closure; | 15 using Closure = Callback<void()>; |
16 | 16 |
17 } // namespace base | 17 } // namespace base |
18 | 18 |
19 #endif // BASE_CALLBACK_FORWARD_H_ | 19 #endif // BASE_CALLBACK_FORWARD_H_ |
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