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Diffstat (limited to 'src/corelib/global/q23utility.cpp')
| -rw-r--r-- | src/corelib/global/q23utility.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/corelib/global/q23utility.cpp b/src/corelib/global/q23utility.cpp new file mode 100644 index 0000000000..9c5365c547 --- /dev/null +++ b/src/corelib/global/q23utility.cpp @@ -0,0 +1,25 @@ +// 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 |