1 // Copyright 2011 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_FUNCTIONAL_CALLBACK_FORWARD_H_ 6 #define BASE_FUNCTIONAL_CALLBACK_FORWARD_H_ 7 8 namespace base { 9 10 template <typename Signature> 11 class OnceCallback; 12 13 template <typename Signature> 14 class RepeatingCallback; 15 16 // Syntactic sugar to make OnceClosure<void()> and RepeatingClosure<void()> 17 // easier to declare since they will be used in a lot of APIs with delayed 18 // execution. 19 using OnceClosure = OnceCallback<void()>; 20 using RepeatingClosure = RepeatingCallback<void()>; 21 22 } // namespace base 23 24 #endif // BASE_FUNCTIONAL_CALLBACK_FORWARD_H_ 25