Man I hope Vavr survives. It is an oasis of rationality and I'm disheartened that https://docs.vavr.io/ https://docs.vavr.io/ appears to be down. Its Set impl

Man I hope Vavr survives. It is an oasis of rationality and I'm disheartened that https://docs.vavr.io/ https://docs.vavr.io/ appears to be down. Its Set implementation actually has union and intersection (!!!)