def Mag.shift
import bend-kit-bignum@0.1.0.0/bigint.bend as Bigintimport Base
155# xs * 10^(4 n).
156def Mag.shift(xs: List<&2, U32>, n: Nat) -> List<&2, U32>:
157 match xs:
158 case Nil{}:
159 Nil{}
160 case s:
161 Mag.zeros(n, s)