29 template <
class>
class PrivateImplRef;
QMF_INLINE_EXTERN Handle()
void swap(Handle< T > &h)
A handle is like a pointer: refers to an underlying implementation object.
QMF_INLINE_EXTERN bool operator!() const
Operator ! supports idiom if (!handle) { do_if_handle_is_null(); }.
#define QMF_INLINE_EXTERN
Handle & operator=(const Handle &)
QMF_INLINE_EXTERN bool isValid() const
QMF_INLINE_EXTERN bool isNull() const