def lift_known
import bend-ml-bpe-tokenizer@0.1.3.0/main.bend as BendMlBpeTokenizerimport Base
503def lift_known(bs: List<&2, Nat>) -> {True{} == knl(Nil{}, lift(bs)) : Bool}:
504 match bs:
505 case Nil{}:
506 {==}
507 case Con{n, t}:
508 lift_known(t)