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-rw-r--r--src/corelib/tools/qsharedpointer_impl.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 7b3239b..ba479f9 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -121,6 +121,13 @@ namespace QtSharedPointer {
typedef T *Basic:: *RestrictedBool;
public:
typedef T Type;
+ typedef T element_type;
+ typedef T value_type;
+ typedef value_type *pointer;
+ typedef const value_type *const_pointer;
+ typedef value_type &reference;
+ typedef const value_type &const_reference;
+ typedef ptrdiff_t difference_type;
inline T *data() const { return value; }
inline bool isNull() const { return !data(); }
@@ -490,6 +497,14 @@ class QWeakPointer
typedef QtSharedPointer::ExternalRefCountData Data;
public:
+ typedef T element_type;
+ typedef T value_type;
+ typedef value_type *pointer;
+ typedef const value_type *const_pointer;
+ typedef value_type &reference;
+ typedef const value_type &const_reference;
+ typedef ptrdiff_t difference_type;
+
inline bool isNull() const { return d == 0 || d->strongref == 0 || value == 0; }
inline operator RestrictedBool() const { return isNull() ? 0 : &QWeakPointer::value; }
inline bool operator !() const { return isNull(); }
@@ -634,6 +649,12 @@ bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2)
return ptr2 != ptr1;
}
+template <class T, class X>
+Q_INLINE_TEMPLATE typename T::difference_type operator-(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+{
+ return ptr1.data() - ptr2.data();
+}
+
template <class T>
Q_INLINE_TEMPLATE QWeakPointer<T> QSharedPointer<T>::toWeakRef() const
{