Method difference_update

lib/sqlalchemy/util/_collections_cy.py:251–253

(self, *other: Iterable[Hashable])

    # @cython.ccall # cdef function cannot have star argument
    def difference_update(self, *other: Iterable[Hashable]) -> None:
        set.difference_update(self, *other)
        self._list = [a for a in self._list if a in self]

    def __isub__(self, other: AbstractSet[Hashable]) -> OrderedSet[_T]:
        self.difference_update(other)