rootNames property

Implementation

List<String> get rootNames {
  final value = _query('rootNames')['value'];
  if (value is! List || value.any((x) => x is! String)) {
    throw const InternalPolarsException(
      'Malformed exprMeta rootNames response',
    );
  }
  return List<String>.unmodifiable(value.cast<String>());
}