diff options
| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2017-05-02 19:23:13 +0200 |
|---|---|---|
| committer | Fabian Kosmale <fabian.kosmale@qt.io> | 2020-03-17 10:01:04 +0100 |
| commit | 165de1002719175c75df61913d36c2189538a84b (patch) | |
| tree | 39f3be146633ad2f25b1a55d000edb1475149082 /src/corelib/io/qdebug.h | |
| parent | 7ef382649754c261ca9eb99dd50b67050e748efb (diff) | |
Introduce helper class QTaggedPointer
Useful for attaching small bits of information in the alignment bits of
a naked pointer. For use in the new property system as well as in
qtdeclarative (where currently a similar class exists as private API).
Change-Id: Idf9b93e714e15129f302e16425dbeda94bcd207b
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/corelib/io/qdebug.h')
| -rw-r--r-- | src/corelib/io/qdebug.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/corelib/io/qdebug.h b/src/corelib/io/qdebug.h index e14d31f38a..aa69a1ae23 100644 --- a/src/corelib/io/qdebug.h +++ b/src/corelib/io/qdebug.h @@ -356,6 +356,16 @@ inline QDebug operator<<(QDebug debug, const QSharedPointer<T> &ptr) return debug; } +template <typename T, typename Tag> class QTaggedPointer; + +template <typename T, typename Tag> +inline QDebug operator<<(QDebug debug, const QTaggedPointer<T, Tag> &ptr) +{ + QDebugStateSaver saver(debug); + debug.nospace() << "QTaggedPointer(" << ptr.pointer() << ", " << ptr.tag() << ")"; + return debug; +} + Q_CORE_EXPORT void qt_QMetaEnum_flagDebugOperator(QDebug &debug, size_t sizeofT, int value); template <typename Int> |