qqmlcpptypehelpers_p.h

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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QQMLCPPTYPEHELPERS_H
#define QQMLCPPTYPEHELPERS_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <type_traits>
 
template<typename T>
using passByConstRefOrValue =
        std::conditional_t<((sizeof(T) > 3 * sizeof(void *)) || !std::is_trivial_v<T>), const T &,
                           T>;
 
#endif // QQMLCPPTYPEHELPERS_H