[rustc.git] / src / doc / book / listings / ch10-generic-types-traits-and-lifetimes / listing-10-21 / src / main.rs

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

    let result = longest(string1.as_str(), string2);
    println!("The longest string is {}", result);
}

// ANCHOR: here
fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
    if x.len() > y.len() {
        x
    } else {
        y
    }
}
// ANCHOR_END: here
Commit	Line	Data
74b04a01 XL	1	fn main() {
	2	let string1 = String::from("abcd");
	3	let string2 = "xyz";
	4
	5	let result = longest(string1.as_str(), string2);
	6	println!("The longest string is {}", result);
	7	}
	8
	9	// ANCHOR: here
923072b8	10	fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
74b04a01 XL	11	if x.len() > y.len() {
	12	x
	13	} else {
	14	y
	15	}
	16	}
	17	// ANCHOR_END: here