def zeros_onto
import bend-collections@1.0.0.0/src/crypto/sha/core.bend as Coreimport Base
967def zeros_onto(z: Nat, acc: List<&2, U32>) -> List<&2, U32>:
968 match z:
969 case 0n:
970 acc
971 case 1n+p:
972 zeros_onto(p, 0 <> acc)