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-rw-r--r--rust/rustlings/exercises/16_lifetimes/lifetimes2.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/rust/rustlings/exercises/16_lifetimes/lifetimes2.rs b/rust/rustlings/exercises/16_lifetimes/lifetimes2.rs
new file mode 100644
index 0000000..ebbc99c
--- /dev/null
+++ b/rust/rustlings/exercises/16_lifetimes/lifetimes2.rs
@@ -0,0 +1,20 @@
+// 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 string2 = String::from("xyz");
+ let result;
+ {
+ result = longest(&string1, &string2);
+ }
+ println!("The longest string is '{result}'");
+}