Tournament.by_dist: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/tournament.bend as Tournament
Lines 47-50 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=47&end_line=50

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_dist(+a: Ind.Individual, +b: Ind.Individual, rng: Rng.State) -> Rng.State & Ind.Individual:
  +da = Ind.perp_dist(a)
  +db = Ind.perp_dist(b)
  cmp_pick(a, b, rng, F32.is_lt(da, db), F32.is_lt(db, da))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.is_lt
  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=perp_dist
  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=cmp_pick