trait_overload1.rs

trait Nameable<T> {
    fn set_name(&mut self, T);
}

struct Cyborg{
    name: Option<String>,
}

impl Nameable<&str> for Cyborg {
    fn set_name(&mut self, s: &str) {
        self.name = Some(s.to_string());
    }
}

impl Nameable<usize> for Cyborg {
    fn set_name(&mut self, serial_number: usize) {
        self.name = Some(serial_number.to_string());
    }
}

fn main() {
    let mut mostly_human = Cyborg{name: None};
    mostly_human.set_name("Bob");

    let mut mostly_machine = Cyborg{name: None};
    mostly_machine.set_name(2077);

    println!("{} vs {}",
        mostly_human.name.unwrap(),
        mostly_machine.name.unwrap(),
    );
}