The specific edge_type of edges is directed or not.
(self, edge_type)
| 722 | return edges |
| 723 | |
| 724 | def is_directed(self, edge_type): |
| 725 | """ The specific edge_type of edges is directed or not. |
| 726 | """ |
| 727 | decoder = self._edge_decoders.get(edge_type) |
| 728 | if not decoder: |
| 729 | raise ValueError("edge type {} not exist in graph.".format(edge_type)) |
| 730 | if edge_type in self._undirected_edges: |
| 731 | return False |
| 732 | return True |
| 733 | |
| 734 | def node_sampler(self, |
| 735 | t, |