Return a cloned (deep) copy of self. This must be implemented by the concrete subclass.
(self)
| 75 | raise NotImplementedError |
| 76 | |
| 77 | def clone(self): |
| 78 | """ |
| 79 | Return a cloned (deep) copy of self. |
| 80 | |
| 81 | This must be implemented by the concrete subclass. |
| 82 | """ |
| 83 | raise NotImplementedError |
| 84 | |
| 85 | def post_order(self): |
| 86 | """ |
no outgoing calls
no test coverage detected