Method update

lib/sqlalchemy/util/_py_collections.py:224–229

(self, *iterables: Iterable[_T])

    __str__ = __repr__

    def update(self, *iterables: Iterable[_T]) -> None:
        for iterable in iterables:
            for e in iterable:
                if e not in self:
                    self._list.append(e)
                    super().add(e)

    def __ior__(self, other: AbstractSet[_S]) -> OrderedSet[Union[_T, _S]]:
        self.update(other)