rust_sample_rtx 0.1.0

A sample for lifetimes
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fn main() {
    let string1 = String::from("abcd");
    let string2 = "xyz";

    let result = longest_with_an_announcement(
        string1.as_str(),
        string2,
        "Today is someone's birthday!",
    );
    println!("The longest string is {}", result);
}

use std::fmt::Display;

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