def u_step.child
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
import unified-nsga-iii@0.2.2.0/rng.bend as Rng
337def u_step.child(+elim: Bool, +acc: List<&2, Ind.Individual>, +seen: List<&2, List<&2, F32>>, +need: Nat, +rng: Rng.State, +child: Ind.Individual) -> UHold:
338 u_step.hold(rng, need, try_add(acc, child, seen, elim))