Method intersection

lib/sqlalchemy/util/_collections_cy.py:187–189

(self, *other: Iterable[Hashable])

    # @cython.ccall # cdef function cannot have star argument
    def intersection(self, *other: Iterable[Hashable]) -> OrderedSet[_T]:
        other_set: Set[Any] = set.intersection(self, *other)
        return self._from_list([a for a in self._list if a in other_set])

    def __and__(self, other: AbstractSet[Hashable]) -> OrderedSet[_T]:
        return self.intersection(other)