def n_fronts
import unified-nsga-iii@0.2.2.0/survival.bend as Survivalimport Base
import unified-nsga-iii@0.2.2.0/util.bend as Util
348def n_fronts(fronts: List<&2, List<&2, Nat>>) -> Nat:
349 Util.list_len(List<&2, Nat>, fronts)
import unified-nsga-iii@0.2.2.0/survival.bend as Survivalimport Base
import unified-nsga-iii@0.2.2.0/util.bend as Util
348def n_fronts(fronts: List<&2, List<&2, Nat>>) -> Nat:
349 Util.list_len(List<&2, Nat>, fronts)