1// Copyright (C) 2020 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QITERABLE_P_H
5#define QITERABLE_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtCore/private/qglobal_p.h>
19#include <QtCore/qvariant.h>
20
21QT_BEGIN_NAMESPACE
22
23namespace QIterablePrivate {
24
25template<typename Callback>
26static QVariant retrieveElement(QMetaType type, Callback callback)
27{
28 QVariant v(type);
29 void *dataPtr;
30 if (type == QMetaType::fromType<QVariant>())
31 dataPtr = &v;
32 else
33 dataPtr = v.data();
34 callback(dataPtr);
35 return v;
36}
37
38} // namespace QIterablePrivate
39
40QT_END_NAMESPACE
41
42#endif // QITERABLE_P_H
43

source code of qtbase/src/corelib/kernel/qiterable_p.h