roaring

var (
	EmptyPostingList = NewPostingList()

	ErrIntersectRoaringOnly  = errors.New("Intersect only supported between roaringDocId sets")
	ErrUnionRoaringOnly      = errors.New("Union only supported between roaringDocId sets")
	ErrDifferenceRoaringOnly = errors.New("Difference only supported between roaringDocId sets")
)