pub trait Patator {
    fn fire(&self) {
        println!("paf!")
    }
}

pub struct CarrotLauncher;

impl Patator for CarrotLauncher {
    fn fire(&self) {
        print! {"pif-"};
        SuperPatator.fire()
    }
}

struct SuperPatator;

impl Patator for SuperPatator {}

fn main() {
    CarrotLauncher.fire()
}