def num.us
import emerging-eztoml@0.9.0.0/main.bend as EmergingEztomlimport Base
1337# an underscore between digits
1338def num.us(st: Num) -> Num:
1339 Num{nk, sign, base, ds, us, saw, why} = st
1340 num.us.go(Bool.and(saw, Bool.not(us)), nk, sign, base, ds, why)