Function _cloned_difference

lib/sqlalchemy/sql/base.py:371–377

(a: Iterable[_CLE], b: Iterable[_CLE])

def _cloned_difference(a: Iterable[_CLE], b: Iterable[_CLE]) -> Set[_CLE]:
    all_overlap: Set[_CLE] = set(_expand_cloned(a)).intersection(
        _expand_cloned(b)
    )
    return {
        elem for elem in a if not all_overlap.intersection(elem._cloned_set)
    }


class _DialectArgView(MutableMapping[str, Any]):