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 3// found in the LICENSE file. 4 5#ifndef BASE_CALLBACK_FORWARD_H_ 6#define BASE_CALLBACK_FORWARD_H_ 7 8namespace base { 9 10template <typename Sig> 11class Callback; 12 13// Syntactic sugar to make Callback<void()> easier to declare since it 14// will be used in a lot of APIs with delayed execution. 15using Closure = Callback<void()>; 16 17} // namespace base 18 19#endif // BASE_CALLBACK_FORWARD_H_ 20