def ckp.ns
import bend-osdev-acpi@0.1.2.0/PROOF_checksum.bend as PROOFChecksumimport Base
141def ckp.ns(xs: List<&2, U32>) -> Nat:
142 match xs:
143 case Nil{}:
144 0n
145 case Con{h, t}:
146 Nat.add(U32.to_nat(U32.and(255, h)), ckp.ns(t))