diff options
| author | Mårten Nordheim <marten.nordheim@qt.io> | 2022-04-04 19:40:52 +0200 |
|---|---|---|
| committer | Mårten Nordheim <marten.nordheim@qt.io> | 2022-04-05 17:24:28 +0000 |
| commit | d72f2ca9ea5e8bc7357f457370b2eb039bb48a2f (patch) | |
| tree | 55627084ae90febc8a9499c5f0143caeece2cfc7 /src/corelib/kernel/qmetatype.h | |
| parent | d2d202c64870e56f6ac3f802abe6c9c978136f53 (diff) | |
QMetaType: Add qHash() overload
This is needed for use in QHash and similar.
It's essentially the same as using the integer id, but typesafe
Change-Id: I9515b8e178c8f9828934cb0bb099cce5553ec393
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
Diffstat (limited to 'src/corelib/kernel/qmetatype.h')
| -rw-r--r-- | src/corelib/kernel/qmetatype.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index a8962f8b57..8b52752470 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -52,6 +52,7 @@ #ifndef QT_NO_QOBJECT #include <QtCore/qobjectdefs.h> #endif +#include <QtCore/qhashfunctions.h> #include <array> #include <new> @@ -2536,6 +2537,13 @@ constexpr const QtPrivate::QMetaTypeInterface *const qt_incomplete_metaTypeArray QtPrivate::qTryMetaTypeInterfaceForType<Unique, T>()... }; +inline size_t qHash(QMetaType type, size_t seed = 0) +{ + // We cannot use d_ptr here since the same type in different DLLs + // might result in different pointers! + return qHash(type.id(), seed); +} + QT_END_NAMESPACE QT_DECL_METATYPE_EXTERN_TAGGED(QtMetaTypePrivate::QPairVariantInterfaceImpl, |