q23utility.cpp

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// Copyright (C) 2023 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
 
#include <QtCore/q23utility.h>
 
QT_BEGIN_NAMESPACE
 
#define CHECK2(cvref_in, cvref_out)
    static_assert(std::is_same_v<
            decltype(q23::forward_like<int cvref_in >(std::declval<long&>())),
            long cvref_out
        >, "oops: cvref '" #cvref_in "' doesn't work")
    /* end */
#define CHECK(cvref) CHECK2(cvref, cvref)
CHECK2(/**/, &&);
CHECK(&);
CHECK(&&);
CHECK2(const, const &&);
CHECK(const &);
CHECK(const &&);
// volatile is not supported
#undef CHECK
#undef CHECK2
 
QT_END_NAMESPACE