max method

JarNumber max(
  1. num max, [
  2. String? message
])

Implementation

JarNumber max(num max, [String? message]) {
  return addValidator((value) {
    if (value == null) return null;
    return value <= max
        ? null
        : (message ?? 'Must be less than or equal to $max');
  }, 'too_big');
}