static <A> Pair<A, Double> ai_bestScoringRandomThing_nAttempts(long n, IF0<A> maker, IF1<A, Double> scoringFunction) {
  new Best<A> best;
  for ping (long i = 0; i < n; i++) {
    A a = maker!;
    double score = scoringFunction.get(a);
    best.put(a, score);
  }
  ret best.pair();
}