def last8
import bend-osdev-cast5@0.1.0.0/check.bend as Checkimport Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-cipher-core@0.1.0.0/cipher_core.bend as L
64def last8(r: Result<&2, &2, L.LcError, B.Octets>) -> String:
65 match r:
66 case Fail{e}:
67 err(e)
68 case Done{+o}:
69 B.Octets.hex(B.Octets.drop(Nat.sub(B.Octets.len(o), 8n), o))