Survival.refs_of_count.go: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/survival.bend as Survival
Lines 795-800 of unified-nsga-iii@0.2.2.0/survival.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&start_line=795&end_line=800

import Base

def refs_of_count.go(bags: List<&2, Bag>, +need: Nat, +acc: List<&2, Nat>) -> List<&2, Nat>:
  match bags:
    case Nil{}:
      List.reverse(&2, Nat, acc)
    case Bag{+ref, +count, members} <> rest:
      refs_of_count.go(rest, need, keep_nat(ref, acc, Nat.is_eq(count, need)))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.reverse
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=Bag
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=keep_nat