Neat! I can definitely imagine cases where this would be helpful. Another thing I've wished for is being able to remove an element from an hll. I don't think i

Neat! I can definitely imagine cases where this would be helpful. Another thing I've wished for is being able to remove an element from an hll. I don't think intersection quite gets me there; it would need to be a separate operation. Here is where I mentioned this once before, although that particular use case was achievable without needing an hll at all: https://news.ycombinator.com/item?id=14637903 https://news.ycombinator.com/item?id=14637903