(self, visitor)
| 144 | return bool(self.children) |
| 145 | |
| 146 | def accept(self, visitor): |
| 147 | for i in range(len(self.children)): |
| 148 | if isinstance(self.children[i], QNode): |
| 149 | self.children[i] = self.children[i].accept(visitor) |
| 150 | |
| 151 | return visitor.visit_combination(self) |
| 152 | |
| 153 | @property |
| 154 | def empty(self): |
nothing calls this directly
no test coverage detected