[Rust] Lifetime 예제 (25일차)

 

<예제 코드_1>

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

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

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

 

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<참조 1> https://rinthel.github.io/rust-lang-book-ko/ch10-03-lifetime-syntax.html

<참조 2>