fn main() {
    let v = vec![1, 2, 3, 4, 5];

    let value: &i32 = &v[2];
    println!("v[2] = {}", value);

    let othervalue = v.get(10);
    match othervalue {
        Some(n) => println!("v[2] = {}", n),
        None => println!("v[2] does not exist!"),
    }
}