Containers: add member-swap

Member-swap is required by the STL Sequence concept, but is also needed to write exception-safe code.

Merge-request: 871
Reviewed-by: Olivier Goffart <olivier.goffart@nokia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index 8f988d60a2..b1fcabfa8c 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -126,6 +126,7 @@ public:
     inline QList &operator=(QList &&other)
     { qSwap(d, other.d); return *this; }
 #endif
+    inline void swap(QList<T> &other) { qSwap(d, other.d); }
 #ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QList(std::initializer_list<T> args) : d(&QListData::shared_null)
     { d->ref.ref(); qCopy(args.begin(), args.end(), std::back_inserter(*this)); }