def add_words
import bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend as Chacha8randimport Base
108def add_words(xs: List<&2, U32>, ys: List<&2, U32>) -> List<&2, U32>:
109 match xs ys:
110 case Con{x, xt} Con{y, yt}:
111 Con{U32.add(x, y), add_words(xt, yt)}
112 case _ _:
113 Nil{}