def refs_at.ok
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
418def refs_at.ok(+ctx: CntNeed, +r: Nat) -> Bool:
419 match ctx:
420 case CN{counts, need}:
421 Nat.is_eq(Util.get_nat(counts, r), need)