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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include <utility>
namespace Utils {
/// RAII object to save a value, and restore it when the scope is left.
template<typename T>
class ScopedSwap
{
T oldValue;
T &ref;
public:
ScopedSwap(T &var, T newValue)
: oldValue(newValue)
, ref(var)
{
std::swap(ref, oldValue);
}
~ScopedSwap()
{
std::swap(ref, oldValue);
}
};
using ScopedBoolSwap = ScopedSwap<bool>;
} // Utils namespace
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