length method

AbstractRuleBuilder length(
  1. int min,
  2. int max, {
  3. String? message,
})

Checks if the object is a String and is inbetween two lengthes

Implementation

AbstractRuleBuilder length(int min, int max, {String? message}) {
  return must((dynamic dyn) => dyn is String && dyn.length >= min && dyn.length <= max, message ?? "String must between $min and $max characters long", code: "notLength");
}