Apply 2024 edition formatting to solutions

solutions/03_if/if1.rs

@@ -1,9 +1,5 @@
 fn bigger(a: i32, b: i32) -> i32 {
-    if a > b {
+    if a > b { a } else { b }
-        a
-    } else {
-        b
-    }
 }
 
 fn main() {

solutions/11_hashmaps/hashmaps3.rs

@@ -60,9 +60,11 @@ England,Spain,1,0";
     fn build_scores() {
         let scores = build_scores_table(RESULTS);
 
-        assert!(["England", "France", "Germany", "Italy", "Poland", "Spain"]
+        assert!(
-            .into_iter()
+            ["England", "France", "Germany", "Italy", "Poland", "Spain"]
-            .all(|team_name| scores.contains_key(team_name)));
+                .into_iter()
+                .all(|team_name| scores.contains_key(team_name))
+        );
     }
 
     #[test]

solutions/16_lifetimes/lifetimes1.rs

@@ -5,11 +5,7 @@
 
 fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
     //    ^^^^     ^^          ^^          ^^
-    if x.len() > y.len() {
+    if x.len() > y.len() { x } else { y }
-        x
-    } else {
-        y
-    }
 }
 
 fn main() {

solutions/16_lifetimes/lifetimes2.rs

@@ -1,9 +1,5 @@
 fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
-    if x.len() > y.len() {
+    if x.len() > y.len() { x } else { y }
-        x
-    } else {
-        y
-    }
 }
 
 fn main() {

solutions/quizzes/quiz2.rs

@@ -62,8 +62,8 @@ mod tests {
     // Import `transformer`.
     use super::my_module::transformer;
 
-    use super::my_module::transformer_iter;
     use super::Command;
+    use super::my_module::transformer_iter;
 
     #[test]
     fn it_works() {