Tournament.by_rank: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/tournament.bend as Tournament
Lines 59-60 of unified-nsga-iii@0.2.2.0/tournament.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/tournament.bend&start_line=59&end_line=60

import 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

def by_rank(+a: Ind.Individual, +b: Ind.Individual, rng: Rng.State) -> Rng.State & Ind.Individual:
  by_rank.eq(a, b, rng, Nat.is_eq(Ind.rank(a), Ind.rank(b)))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/individual.bend&name=Individual
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/individual.bend&name=rank
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/rng.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/tournament.bend&name=by_rank.eq