use std::fmt::Display;

fn main() {
    let string1 = String::from("RUST");
    let string2 = "C";

    let result = longest(string1.as_str(), string2);

    println!("The longest string is {}", result);

    println!(
        "longest string: {}",
        longest_with_an_announcement("hello", "kitty", &"tiger")
    )
}

fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
    if x.len() > y.len() {
        x
    } else {
        y
    }
}

fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: &'a T) -> &'a str
where
    T: Display,
{
    println!("Announcement! {}", ann);
    if x.len() > y.len() {
        x
    } else {
        y
    }
}