struct Kiwi;

impl Kiwi {
    fn greet(&mut self) {
        println!("Hello Fellas!");
    }

    fn eat(&self) {
        println!("I feel it in my code.");
    }
}

trait Fruit {
    fn greet(&self) {
        println!("I love fruits!");
    }

    fn eat(&self) {
        println!("I feel it in my pulp.");
    }
}

impl Fruit for Kiwi {}

fn main() {
    let mut kiwi = Kiwi;
    kiwi.greet();
    (&mut kiwi).greet();
    kiwi.eat();
    (&kiwi as &Fruit).eat();
}