Rory Solomon rors
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| class Alias(object): | |
| def __init__(self, initial): | |
| self._set = {initial} | |
| self.initial = initial | |
| def add(self, alias): | |
| self._set.add(alias) | |
| def merge(self, other): | |
| self._set.update(other._set) | |
| def __iter__(self): | |
| return iter(self._set) |