pub fn names_of(
root: &Path,
f: &Frame,
open: &[Vec<Arc<Open>>],
) -> Result<HashMap<u64, String>>Expand description
service.name for the entities of a frame.
A frame carries keys, and a key is a hash. This is what turns one into a
label for the response — the same walk entities does, without the
counting, and skipping any block that holds none of them.