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Refactor longest function and remove unnecessary code

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This commit is contained in:
Rock070 2024-01-05 00:28:14 +08:00
parent f996183355
commit 2432fde73d
1 changed files with 3 additions and 6 deletions
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9
exercises/16_lifetimes/lifetimes2.rs
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@ -6,8 +6,6 @@
// Execute `rustlings hint lifetimes2` or use the `hint` watch subcommand for a // Execute `rustlings hint lifetimes2` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
if x.len() > y.len() { if x.len() > y.len() {
x x
@ -19,9 +17,8 @@ fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
fn main() { fn main() {
let string1 = String::from("long string is long"); let string1 = String::from("long string is long");
let result; let result;
{
let string2 = String::from("xyz"); let string2 = String::from("xyz");
result = longest(string1.as_str(), string2.as_str()); result = longest(string1.as_str(), string2.as_str());
}
println!("The longest string is '{}'", result); println!("The longest string is '{}'", result);
} }