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diff --git a/src/corelib/global/q23utility.h b/src/corelib/global/q23utility.h
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+++ b/src/corelib/global/q23utility.h
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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
+#ifndef Q23UTILITY_H
+#define Q23UTILITY_H
+
+#include <QtCore/qtconfigmacros.h>
+
+#include <utility>
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. Types and functions defined in this
+// file can reliably be replaced by their std counterparts, once available.
+// You may use these definitions in your own code, but be aware that we
+// will remove them once Qt depends on the C++ version that supports
+// them in namespace std. There will be NO deprecation warning, the
+// definitions will JUST go away.
+//
+// If you can't agree to these terms, don't use these definitions!
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+namespace q23 {
+// like std::forward_like
+#ifdef __cpp_lib_forward_like
+using std::forward_like;
+#else
+
+namespace _detail {
+
+// [forward]/6.1 COPY_CONST
+template <typename A, typename B>
+using copy_const_t = std::conditional_t<
+        std::is_const_v<A>, const B,
+        /* else */          B
+    >;
+
+// [forward]/6.2 OVERRIDE_REF
+template <typename A, typename B>
+using override_ref_t = std::conditional_t<
+        std::is_rvalue_reference_v<A>, std::remove_reference_t<B>&&,
+        /* else */                     B&
+    >;
+
+// [forward]/6.3 "V"
+template <typename T, typename U>
+using forward_like_ret_t = override_ref_t<
+        T&&,
+        copy_const_t<
+            std::remove_reference_t<T>,
+            std::remove_reference_t<U>
+        >
+    >;
+
+} // namespace detail
+
+// http://eel.is/c++draft/forward#lib:forward_like
+template <class T, class U>
+[[nodiscard]] constexpr auto forward_like(U &&x) noexcept
+    -> _detail::forward_like_ret_t<T, U>
+{
+    using V = _detail::forward_like_ret_t<T, U>;
+    return static_cast<V>(x);
+}
+#endif // __cpp_lib_forward_like
+} // namespace q23
+
+QT_END_NAMESPACE
+
+#endif /* Q23UTILITY_H */