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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
namespace Timeline {
template<class Base>
class SafeCastable
{
public:
template<class Derived>
bool is() const
{
return static_cast<const Base *>(this)->classId() == Derived::staticClassId;
}
template<class Derived>
Derived &asRef()
{
Q_ASSERT(is<Derived>());
return static_cast<Derived &>(*this);
}
template<class Derived>
const Derived &asConstRef() const
{
Q_ASSERT(is<Derived>());
return static_cast<const Derived &>(*this);
}
template<class Derived>
Derived &&asRvalueRef()
{
Q_ASSERT(is<Derived>());
return static_cast<Derived &&>(*this);
}
};
} // namespace Timeline
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