def add_words
import bend-collections@1.0.0.0/spec/crypto/chacha.bend as Chachaimport Base
106def add_words(xs: List<&2, U32>, ys: List<&2, U32>) -> List<&2, U32>:
107 match xs ys:
108 case x <> xt y <> yt: U32.add(x, y) <> add_words(xt, yt)
109 case _ _: Nil{}