def nums.put
import ezx@1.11.0.0/src/git/git.bend as Gitimport Base
510def nums.put(ok: Bool, +part: String, rest: Maybe<&2, List<&2, Nat>>) -> Maybe<&2, List<&2, Nat>>:
511 match ok:
512 case False{}:
513 None{}
514 case True{}:
515 nums.cons(num.go(part, 0n), rest)