def feas_only
import unified-nsga-iii@0.2.2.0/algorithm.bend as Algorithmimport Base
import unified-nsga-iii@0.2.2.0/individual.bend as Ind
433def feas_only(xs: List<&2, Ind.Individual>) -> List<&2, Ind.Individual>:
434 match xs:
435 case Nil{}:
436 Nil{}
437 case +h <> t:
438 feas_only.on(h, feas_only(t), Ind.feasible(h))