static LS scoredSearch(S query, Iterable<S> data) {
  new Map<S, Int> scores;
  LS searchTerms = scoredSearch_prepare(query);
  if (empty(searchTerms)) ret asList(data);
  for (S s : data) {
    int score = scoredSearch_score(s, searchTerms);
    if (score != 0)
      scores.put(s, score);
  }
  ret keysSortedByValuesDesc(scores);
}