validator method

  1. @override
PhoneConfirmationValidationError? validator(
  1. String? value
)
override

A function that must return a validation error if the provided value is invalid and null otherwise.

Implementation

@override
PhoneConfirmationValidationError? validator(String? value) {
  if (value != phone) {
    return PhoneConfirmationValidationError.mismatch;
  } else {
    return null;
  }
}