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/*
settempvalue.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2013 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Milian Wolff <milian.wolff@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_SETTEMPVALUE_H
#define GAMMARAY_SETTEMPVALUE_H
#include <qglobal.h>
namespace GammaRay {
/**
* @brief GammaRay utilities.
*/
namespace Util {
/**
* Temporarily overwrite a given object with a new value and reset the value
* when the scope is exited.
*/
template<class T>
struct SetTempValue
{
SetTempValue(T &obj, T newValue)
: obj(obj)
, oldValue(obj)
{
obj = std::move(newValue);
}
~SetTempValue()
{
obj = oldValue;
}
Q_DISABLE_COPY(SetTempValue)
T &obj;
T oldValue;
};
}
}
#endif // GAMMARAY_SETTEMPVALUE_H
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