| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_CALLBACK_FORWARD_H_ |
| #define BASE_CALLBACK_FORWARD_H_ |
| |
| namespace base { |
| |
| template <typename Signature> |
| class OnceCallback; |
| |
| template <typename Signature> |
| class RepeatingCallback; |
| |
| template <typename Signature> |
| using Callback = RepeatingCallback<Signature>; |
| |
| // Syntactic sugar to make Callback<void()> easier to declare since it |
| // will be used in a lot of APIs with delayed execution. |
| using OnceClosure = OnceCallback<void()>; |
| using RepeatingClosure = RepeatingCallback<void()>; |
| using Closure = Callback<void()>; |
| |
| } // namespace base |
| |
| #endif // BASE_CALLBACK_FORWARD_H_ |
