Function Names

getting-started/update/update_gcs_index.cc:135–144

}

auto Names() {
  static auto const names = [] {
    auto columns = Columns();
    std::vector<std::string> names(columns.size());
    std::transform(columns.begin(), columns.end(), names.begin(),
                   [](auto p) { return p.first; });
    return names;
  }();
  return names;
}

std::size_t ColumnCount() { return Columns().size(); }