struct Person {
    name: String,
    surname: String
}

// El trait define el metodo complete_name que debe ser implementado
pub trait CompleteName {
    fn complete_name(&self) -> String;
}

//Se implementa el trait para el tipo Person
impl CompleteName for Person {
     fn complete_name(&self) -> String {
        format!("{}: {}", self.name, self.surname)

    }
}

fn main(){
    let person = Person {
        name: String::from("Peter"),
        surname: String::from("Jackson")
    };
    // Ahora ya se puede llamar al metodo complete_name del tipo Person
    println!("Complete name is {}", person.complete_name());
    //OUTPUT Complete name is Peter: Jackson
}