(self, data=None)
| 10 | |
| 11 | class WeakSet: |
| 12 | def __init__(self, data=None): |
| 13 | self.data = set() |
| 14 | |
| 15 | def _remove(item, selfref=ref(self)): |
| 16 | self = selfref() |
| 17 | if self is not None: |
| 18 | self.data.discard(item) |
| 19 | |
| 20 | self._remove = _remove |
| 21 | if data is not None: |
| 22 | self.update(data) |
| 23 | |
| 24 | def __iter__(self): |
| 25 | for itemref in self.data.copy(): |