Method update

cassandra/util.py:326–333

(self, other)

        self.data.discard(ref(item))

    def update(self, other):
        if self._pending_removals:
            self._commit_removals()
        if isinstance(other, self.__class__):
            self.data.update(other.data)
        else:
            for element in other:
                self.add(element)

    def __ior__(self, other):
        self.update(other)