max static method

FormFieldValidator<String> max(
  1. double max,
  2. String errorMessage
)

Implementation

static FormFieldValidator<String> max(double max, String errorMessage) {
  return (value) {
    if (value!.trim().isEmpty)
      return null;
    else {
      final dValue = _toDouble(value);
      if (dValue > max)
        return errorMessage;
      else
        return null;
    }
  };
}