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35 lines
1006 B
C++
35 lines
1006 B
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_
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#define BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_
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#include <utility>
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#include "base/callback.h"
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namespace base {
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namespace internal {
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// Adapts a function that produces a result via a return value to
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// one that returns via an output parameter.
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template <typename ReturnType>
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void ReturnAsParamAdapter(OnceCallback<ReturnType()> func, ReturnType* result) {
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*result = std::move(func).Run();
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}
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// Adapts a T* result to a callblack that expects a T.
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template <typename TaskReturnType, typename ReplyArgType>
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void ReplyAdapter(OnceCallback<void(ReplyArgType)> callback,
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TaskReturnType* result) {
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std::move(callback).Run(std::move(*result));
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}
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} // namespace internal
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} // namespace base
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#endif // BASE_POST_TASK_AND_REPLY_WITH_RESULT_INTERNAL_H_
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