How do you find this in practice? I mention this in the 3rd footnote of the post, but didn't have much to say about it because I haven't used it myself. The one

How do you find this in practice? I mention this in the 3rd footnote of the post, but didn't have much to say about it because I haven't used it myself. The one person I've talked about this says it's rather awkward right now because Swift doesn't provide great tools for working with these objects.