notEmpty<U> method

ValidationRule<String, dynamic> notEmpty<U>({
  1. required U negativeFeedback,
})

Implementation

ValidationRule<String, dynamic> notEmpty<U>({required U negativeFeedback}) {
  return ValidationRule<String, U>(
      ruler: (String value) {
        if (value.isNotEmpty) {
          return true;
        }
        return false;
      },
      negativeFeedback: negativeFeedback);
}