OnFailureCallBack typedef
OnFailureCallBack =
void Function(String? inputCallBack, List<TextXValidationRule> rules, TextXValidationRule failedRule)
Implementation
typedef OnFailureCallBack = void Function(
/// the text field content
String? inputCallBack,
/// the rules for this failed
List<TextXValidationRule> rules,
///
TextXValidationRule failedRule,
);