Algorithm.UHold: type of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/algorithm.bend as Algorithm
Lines 313-321 of unified-nsga-iii@0.2.2.0/algorithm.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/algorithm.bend&start_line=313&end_line=321

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

# Middle loop: mutation that must still be a new key. `need` is the
# remaining slots. Cap is max(pop*20, 1), counted in `fuel`.
type UHold is Data:
  UH{
    rng: Rng.State
    acc: List<&2, Ind.Individual>
    seen: List<&2, List<&2, F32>>
    need: Nat
  }

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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/rng.bend&name=State