def nd_mixed.use
import unified-nsga-iii@0.2.2.0/normalization.bend as Normalizationimport Base
571def nd_mixed.use(pool: List<&2, Nat>, kept: List<&2, Nat>) -> List<&2, Nat>:
572 match kept:
573 case Nil{}:
574 pool
575 case a <> b:
576 a <> b