NumberSymbols constructor Null safety

const NumberSymbols(
  1. {required String NAME,
  2. required String DECIMAL_SEP,
  3. required String GROUP_SEP,
  4. required String PERCENT,
  5. required String ZERO_DIGIT,
  6. required String PLUS_SIGN,
  7. required String MINUS_SIGN,
  8. required String EXP_SYMBOL,
  9. required String PERMILL,
  10. required String INFINITY,
  11. required String NAN,
  12. required String DECIMAL_PATTERN,
  13. required String SCIENTIFIC_PATTERN,
  14. required String PERCENT_PATTERN,
  15. required String CURRENCY_PATTERN,
  16. required String DEF_CURRENCY_CODE}
)

Implementation

const NumberSymbols(
    {required this.NAME,
    required this.DECIMAL_SEP,
    required this.GROUP_SEP,
    required this.PERCENT,
    required this.ZERO_DIGIT,
    required this.PLUS_SIGN,
    required this.MINUS_SIGN,
    required this.EXP_SYMBOL,
    required this.PERMILL,
    required this.INFINITY,
    required this.NAN,
    required this.DECIMAL_PATTERN,
    required this.SCIENTIFIC_PATTERN,
    required this.PERCENT_PATTERN,
    required this.CURRENCY_PATTERN,
    required this.DEF_CURRENCY_CODE});