Get the next item from the iterator. For iterators that return refcounted objects, the returned object will have its refcount increased and should therefore be unreffed after usage.
pointer to hold next element
The result of the iteration. Unref after usage if this is a refcounted object. MT safe.
See Implementation
Get the next item from the iterator. For iterators that return refcounted objects, the returned object will have its refcount increased and should therefore be unreffed after usage.