def pick_member.rows
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
635def pick_member.rows(+counts: List<&2, Nat>, +rows: List<&2, NRow>, +r: Nat) -> Nat:
636 pick_member.by.rows(in_ref_rows(r, rows), Nat.is_eq(Util.get_nat(counts, r), 0n), first_row_i(rows))