Method __iter__

Lib/_weakrefset.py:24–30

(self)

            self.update(data)

    def __iter__(self):
        for itemref in self.data.copy():
            item = itemref()
            if item is not None:
                # Caveat: the iterator will keep a strong reference to
                # `item` until it is resumed or closed.
                yield item

    def __len__(self):
        return len(self.data)