Ok but that's a little different than saying you can't cut the traversal short. If I'm traversing ancestors (let's say) until I find one that doesn't satisfy a

Ok but that's a little different than saying you can't cut the traversal short. If I'm traversing ancestors (let's say) until I find one that doesn't satisfy a condition, it'll bail out then. I get that this doesn't serve all uses cases, but it isn't a small thing either.