blob: 6f50de8b8609fc0163df914f0229b8dceaa0e3f5 [file] [log] [blame]
// Copyright 2016 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_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_
#define BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_
#include <utility>
#include "base/callback.h"
namespace base {
namespace internal {
// Adapts a function that produces a result via a return value to
// one that returns via an output parameter.
template <typename ReturnType>
void ReturnAsParamAdapter(OnceCallback<ReturnType()> func, ReturnType* result) {
*result = std::move(func).Run();
}
// Adapts a T* result to a callblack that expects a T.
template <typename TaskReturnType, typename ReplyArgType>
void ReplyAdapter(OnceCallback<void(ReplyArgType)> callback,
TaskReturnType* result) {
std::move(callback).Run(std::move(*result));
}
} // namespace internal
} // namespace base
#endif // BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_