rustlings/exercises/16_lifetimes/lifetimes2.rs

21 lines
445 B
Rust

// Don't change this function.
fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
if x.len() > y.len() {
x
} else {
y
}
}
fn main() {
// TODO: Fix the compiler error by moving one line.
let string1 = String::from("long string is long");
let result;
{
let string2 = String::from("xyz");
result = longest(&string1, &string2);
}
println!("The longest string is '{result}'");
}