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q23type_traits: fix build with C++23

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Commit 03a7be37806a32e9a8ac963b309812d6b8f125f6 forgot to use the enum
in the using declaration.

Change-Id: I1ff966c0bf669ff03bc9fffd049d64ebeb156f69
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
This commit is contained in:
Thiago Macieira 2024-08-17 21:27:58 -07:00
parent 7447ad5033
commit 63a8f657c2
1 changed files with 2 additions and 7 deletions
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9
src/corelib/global/q23type_traits.h
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@ -26,25 +26,20 @@ QT_BEGIN_NAMESPACE
namespace q23 {
// like std::is_scoped_enum
#ifdef __cpp_lib_is_scoped_enum
template<typename E>
using is_scoped_enum = std::is_scoped_enum;
template <typename E>
inline constexpr bool is_scoped_enum_v = std::is_scoped_enum_v<E>;
using std::is_scoped_enum;
#else
template <typename E, bool isEnum = std::is_enum_v<E>>
struct is_scoped_enum : std::negation<std::is_convertible<E, std::underlying_type_t<E>>>
{};
template<typename T>
struct is_scoped_enum<T, false> : std::false_type
{};
#endif // __cpp_lib_is_scoped_enum
template <typename E>
inline constexpr bool is_scoped_enum_v = is_scoped_enum<E>::value;
#endif // __cpp_lib_is_scoped_enum
}
QT_END_NAMESPACE