#[derive(Debug)]
enum IpAddKind {
    V4,
    V6,
}

#[derive(Debug)]
struct IpAddr {
    kind: IpAddKind,
    address: String,
}

impl IpAddr {
    fn new(kind: IpAddKind, address: String) -> Self {
        Self { kind, address }
    }
}

fn main() {
    let eno1 = IpAddr::new(IpAddKind::V4, String::from("192.168.0.250"));
    let loopback = IpAddr::new(IpAddKind::V4, String::from("127.0.0.1"));
}

#[derive(Debug)]
enum IpAddKind {
    V4(u8, u8, u8, u8),
    V6(String),
}

fn main() {
    let eno1 = IpAddKind::V4(192, 168, 0, 250);
    let loopback = IpAddKind::V6(String::from("::1"));
}

enum Message {
    Quite,
    Move { x: i32, y: i32 },
    Write(String),
    ChangeColor(i32, i32, i32),
}

impl Message {
    fn call(&self) {}
}

fn main() {
    let m = Message::Write(String::from("xfy"));
    m.call();
}