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-rw-r--r--rustlings/solutions/16_lifetimes/lifetimes3.rs18
1 files changed, 16 insertions, 2 deletions
diff --git a/rustlings/solutions/16_lifetimes/lifetimes3.rs b/rustlings/solutions/16_lifetimes/lifetimes3.rs
index dcf2377..16a5a68 100644
--- a/rustlings/solutions/16_lifetimes/lifetimes3.rs
+++ b/rustlings/solutions/16_lifetimes/lifetimes3.rs
@@ -1,4 +1,18 @@
+// Lifetimes are also needed when structs hold references.
+
+struct Book<'a> {
+ // ^^^^ added a lifetime annotation
+ author: &'a str,
+ // ^^
+ title: &'a str,
+ // ^^
+}
+
fn main() {
- // DON'T EDIT THIS SOLUTION FILE!
- // It will be automatically filled after you finish the exercise.
+ let book = Book {
+ author: "George Orwell",
+ title: "1984",
+ };
+
+ println!("{} by {}", book.title, book.author);
}