From 61872166067ab83fbad87e55c562e28d98368bff Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Thu, 27 Jun 2024 16:15:53 +0200
Subject: [PATCH] lifetimes3 solution

---
 exercises/16_lifetimes/lifetimes3.rs |  7 +++----
 rustlings-macros/info.toml           |  4 +---
 solutions/16_lifetimes/lifetimes3.rs | 19 ++++++++++++++++++-
 3 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/exercises/16_lifetimes/lifetimes3.rs b/exercises/16_lifetimes/lifetimes3.rs
index 9b631cab..1cc27592 100644
--- a/exercises/16_lifetimes/lifetimes3.rs
+++ b/exercises/16_lifetimes/lifetimes3.rs
@@ -1,16 +1,15 @@
 // Lifetimes are also needed when structs hold references.
 
+// TODO: Fix the compiler errors about the struct.
 struct Book {
     author: &str,
     title: &str,
 }
 
 fn main() {
-    let name = String::from("Jill Smith");
-    let title = String::from("Fish Flying");
     let book = Book {
-        author: &name,
-        title: &title,
+        author: "George Orwell",
+        title: "1984",
     };
 
     println!("{} by {}", book.title, book.author);
diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml
index e2ebfa5c..f0e34a5e 100644
--- a/rustlings-macros/info.toml
+++ b/rustlings-macros/info.toml
@@ -843,9 +843,7 @@ inner block:
 name = "lifetimes3"
 dir = "16_lifetimes"
 test = false
-hint = """
-If you use a lifetime annotation in a struct's fields, where else does it need
-to be added?"""
+hint = """Let the compiler guide you :)"""
 
 # TESTS
 
diff --git a/solutions/16_lifetimes/lifetimes3.rs b/solutions/16_lifetimes/lifetimes3.rs
index 4e181989..16a5a684 100644
--- a/solutions/16_lifetimes/lifetimes3.rs
+++ b/solutions/16_lifetimes/lifetimes3.rs
@@ -1 +1,18 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+// Lifetimes are also needed when structs hold references.
+
+struct Book<'a> {
+    //     ^^^^ added a lifetime annotation
+    author: &'a str,
+    //       ^^
+    title: &'a str,
+    //      ^^
+}
+
+fn main() {
+    let book = Book {
+        author: "George Orwell",
+        title: "1984",
+    };
+
+    println!("{} by {}", book.title, book.author);
+}