def mask.go
import bend-osdev-bytes@0.1.1.0/bytes.bend as Bytesimport Base
371def mask.go(xs: List<&2, U32>, acc: List<&2, U32>) -> List<&2, U32>:
372 match xs:
373 case Nil{}:
374 acc
375 case Con{h, t}:
376 mask.go(t, Con{byte(h), acc})