Visit every node in the given list. If new nodes are appended during
the traversal, they will not be visited. Every live node that was in
the list when the traversal began will be visited exactly once;
however, no guarantee is made about the order of the traversal.
Visit every node in the given list. If new nodes are appended during
the traversal, they will not be visited. Every live node that was in
the list when the traversal began will be visited exactly once;
however, no guarantee is made about the order of the traversal.