#[derive(Debug)]
struct User {
    id: i32,
    username: String,
    address: String,
}

#[derive(Debug)]
struct UserAnon(i32, String, String);

fn main(){
    let u1 = User {
        id: 1,
        username: "John".to_string(),
        address: "1st Street".to_string(),
    };
    let u2 = UserAnon(1, "Jack".to_string(),"2nd Street".to_string(),);
    println!("#1 {:?} ", u1);
    println!("#2 {:?} ", u2);
}