integer static method

FormFieldValidator<String> integer({
  1. String? errorText,
  2. int? radix,
})

Implementation

static FormFieldValidator<String> integer({String? errorText, int? radix}) => (valueCandidate) =>
true == valueCandidate?.isNotEmpty && null == int.tryParse(valueCandidate!, radix: radix)
    ? errorText ?? BasicFormValidatorMessageError().integer
    : null;