validate method

@override bool validate(String? value)

Validates value. Returns whether the value is valid.

Implementation

@override
bool validate(String? value) {
  for (final validator in _validators) {
    final err = validator(value);
    if (err.isNotEmpty) {
      print(err);
      _error = err;
      return false;
    }
  }
  _error = '';
  return true;
}