d static method

FormFieldValidator<String> d({
  1. String? error_text,
})

"d" means default

Implementation

static FormFieldValidator<String> d({String? error_text}){

  error_text ??= "Missed";

  return ( textValidator) {
    if ( textValidator == null || textValidator.isEmpty) {
      return error_text;
    }
    return null;
  };
}