(self, graph: ParseGraph)
| 31 | _normal_nodes: StableSet[operator.Operator] |
| 32 | |
| 33 | def __init__(self, graph: ParseGraph) -> None: |
| 34 | self._graph = graph |
| 35 | self._nodes = StableSet() |
| 36 | self._normal_nodes = StableSet() |
| 37 | |
| 38 | def is_empty(self) -> bool: |
| 39 | return not self._nodes |