subscriptNumeral property

String get subscriptNumeral

将数字转换为下角标形式字符展示.

Implementation

String get subscriptNumeral {
  if (isNaN) return '';
  final buffer = StringBuffer(sign < 0 ? subscriptNegative : '');
  final zeroCodeUnit = '0'.codeUnitAt(0);
  for (final int unit in abs().toString().codeUnits) {
    buffer.write(subscriptNumerals[unit - zeroCodeUnit]);
  }
  return buffer.toString();
}