def split_add.feas
import unified-nsga-iii@0.2.2.0/survival.bend as Survivalimport Base
import unified-nsga-iii@0.2.2.0/individual.bend as Ind
1137def split_add.feas(+h: Ind.Individual, sp: Split) -> Split:
1138 match sp:
1139 case Split{feas, rows}:
1140 Split{h <> feas, rows}