vMaxLen function
Returns a validator that rejects strings longer than length.
Implementation
DraftModeValidator<String> vMaxLen(int length) {
return _typedValidator<String>(
type: DraftModeValidatorType.maxLength,
payload: length,
delegate: (DraftModeValidationValueContext? context, String? value) {
if (value != null && value.length > length) {
return DraftModeValidationMaxLength(length);
}
return null;
},
);
}