// Copyright 2009 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 MINI_CHROMIUM_BASE_AUTO_RESET_H_
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#define MINI_CHROMIUM_BASE_AUTO_RESET_H_
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#include "base/macros.h"
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namespace base {
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template<typename T>
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class AutoReset {
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public:
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AutoReset(T* scoped_variable, T new_value)
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: scoped_variable_(scoped_variable),
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original_value_(*scoped_variable) {
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*scoped_variable_ = new_value;
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}
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~AutoReset() { *scoped_variable_ = original_value_; }
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private:
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T* scoped_variable_;
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T original_value_;
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DISALLOW_COPY_AND_ASSIGN(AutoReset);
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};
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} // namespace base
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#endif // MINI_CHROMIUM_BASE_AUTO_RESET_H_
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