QSharedPointer/QWeakPointer/QScopedPointer: add comparison against nullptr

Some constructors were added, but the comparison operators were missing.
The STL has them, so we ought have them too.

Change-Id: I030c14a3b355988f509716b4b1b1a835b3ab9481
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/corelib/tools/qscopedpointer.cpp b/src/corelib/tools/qscopedpointer.cpp
index 1a37e0bc9c..67d11660e1 100644
--- a/src/corelib/tools/qscopedpointer.cpp
+++ b/src/corelib/tools/qscopedpointer.cpp
@@ -193,6 +193,48 @@ QT_BEGIN_NAMESPACE
 */
 
 /*!
+    \fn bool operator==(const QScopedPointer<T, Cleanup> &lhs, std::nullptr_t)
+    \relates QScopedPointer
+    \since 5.8
+
+    Returns \c true if the scoped pointer \a lhs is a null pointer.
+
+    \sa QScopedPointer::isNull()
+*/
+
+/*!
+    \fn bool operator==(std::nullptr_t, const QScopedPointer<T, Cleanup> &rhs)
+    \relates QScopedPointer
+    \since 5.8
+
+    Returns \c true if the scoped pointer \a rhs is a null pointer.
+
+    \sa QScopedPointer::isNull()
+*/
+
+/*!
+    \fn bool operator!=(const QScopedPointer<T, Cleanup> &lhs, std::nullptr_t)
+    \relates QScopedPointer
+    \since 5.8
+
+    Returns \c true if the scoped pointer \a lhs is a valid (i.e. a non-null)
+    pointer.
+
+    \sa QScopedPointer::isNull()
+*/
+
+/*!
+    \fn bool operator!=(std::nullptr_t, const QScopedPointer<T, Cleanup> &rhs)
+    \relates QScopedPointer
+    \since 5.8
+
+    Returns \c true if the scoped pointer \a rhs is a valid (i.e. a non-null)
+    pointer.
+
+    \sa QScopedPointer::isNull()
+*/
+
+/*!
     \fn bool QScopedPointer::isNull() const
 
     Returns \c true if this object is holding a pointer that is \c null.