def cm.diff
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as ModeCoreimport Base
255def cm.diff(xs: List<&2, U32>, ys: List<&2, U32>, acc: U32) -> U32:
256 match xs ys:
257 case Con{a, s} Con{b, t}:
258 cm.diff(s, t, U32.or(acc, cm.byte(U32.xor(a, b))))
259 case Nil{} Nil{}:
260 acc
261 case _ _:
262 1