# Create an enum
enum AnimalType {
    Dog,
    Cat,
}

# Create a struct
struct Pet {
    name: [char], # A list of characters
    age: uint, # An unsigned 32-bit integer
    type: AnimalType,
    living: bool,
}

# Create a function that can be called on a Pet
fn on Pet rename(newName: [char]) {
    self.name = newName;
}

# Create another struct
struct Person {
    pet: Pet,
    name: [char],
    age: uint,
    living: bool,
}

fn on Person growUp() {
    self.age += 1;
}
fn main() -> int {
    # Create an instance of Pet
    # "let" creates an immutable binding
    var dog = Pet {
        name: "Fido",
        age: 3,
        type: AnimalType.Dog,
    };

    # Create a (variable) instance of Person
    # "var" creates a mutable binding
    var person = Person {
        pet: dog,
        name: "Fred",
        age: 41,
    };

    # Create a new name for the Pet
    var new_name = "George";
    person.pet.rename(new_name);

    # Print out the person's name and age
    # Uses C for I/O
    printf("Person %s is %u years old.\n", person.name, person.age);
    if person.age % 2 == 0 {
        printf("Age is even\n");
    } else {
        printf("Age is odd\n");
    }

    *test[12](3);

    return 0;
}