def dfs_iter(self, include_self=False, right_to_left=True):
        return _DFSIter(self,
                        include_self=include_self,
                        right_to_left=right_to_left)
Depth first iteration (non-recursive) over the child nodes.
dataset/ETHPy150Open openstack/taskflow/taskflow/types/tree.py/Node.dfs_iter