Function MakeNullsTrie

cpp/src/arrow/util/trie_benchmark.cc:36–44

}

Trie MakeNullsTrie() {
  auto nulls = AllNulls();

  TrieBuilder builder;
  for (const auto& str : AllNulls()) {
    ABORT_NOT_OK(builder.Append(str));
  }
  return builder.Finish();
}

std::vector<std::string> Expand(const std::vector<std::string>& base, size_t n) {
  std::vector<std::string> result;