[rustc.git] / src / doc / book / listings / ch10-generic-types-traits-and-lifetimes / listing-10-23 / src / main.rs

// ANCHOR: here
fn main() {
    let string1 = String::from("long string is long");
    let result;
    {
        let string2 = String::from("xyz");
        result = longest(string1.as_str(), string2.as_str());
    }
    println!("The longest string is {}", result);
}
// ANCHOR_END: here

fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
    if x.len() > y.len() {
        x
    } else {
        y
    }
}
Commit	Line	Data
74b04a01 XL	1	// ANCHOR: here
	2	fn main() {
	3	let string1 = String::from("long string is long");
923072b8	4	let result;
74b04a01 XL	5	{
74b04a01 XL	6	let string2 = String::from("xyz");
923072b8	7	result = longest(string1.as_str(), string2.as_str());
74b04a01	8	}
923072b8	9	println!("The longest string is {}", result);
74b04a01 XL	10	}
	11	// ANCHOR_END: here
	12
	13	fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
	14	if x.len() > y.len() {
	15	x
	16	} else {
	17	y
	18	}
	19	}