Fix clippy3

Author: mo8it

exercises/22_clippy/clippy3.rs

@@ -1,7 +1,6 @@
-// Here are some more easy Clippy fixes so you can see its utility 📎
+// Here are some more easy Clippy fixes so you can see its utility.
 // TODO: Fix all the Clippy lints.
 
-#[rustfmt::skip]
 #[allow(unused_variables, unused_assignments)]
 fn main() {
     let my_option: Option<&str> = None;
@@ -11,14 +10,16 @@ fn main() {
         println!("{}", my_option.unwrap());
     }
 
+    #[rustfmt::skip]
     let my_arr = &[
         -1, -2, -3
         -4, -5, -6
     ];
     println!("My array! Here it is: {my_arr:?}");
 
-    let my_empty_vec = vec![1, 2, 3, 4, 5].resize(0, 5);
-    println!("This Vec is empty, see? {my_empty_vec:?}");
+    let mut my_vec = vec![1, 2, 3, 4, 5];
+    my_vec.resize(0, 5);
+    println!("This Vec is empty, see? {my_vec:?}");
 
     let mut value_a = 45;
     let mut value_b = 66;

solutions/22_clippy/clippy3.rs

@@ -1,6 +1,5 @@
 use std::mem;
 
-#[rustfmt::skip]
 #[allow(unused_variables, unused_assignments)]
 fn main() {
     let my_option: Option<&str> = None;
@@ -11,17 +10,18 @@ fn main() {
     }
 
     // A comma was missing.
+    #[rustfmt::skip]
     let my_arr = &[
         -1, -2, -3,
         -4, -5, -6,
     ];
     println!("My array! Here it is: {my_arr:?}");
 
-    let mut my_empty_vec = vec![1, 2, 3, 4, 5];
+    let mut my_vec = vec![1, 2, 3, 4, 5];
     // `resize` mutates a vector instead of returning a new one.
     // `resize(0, …)` clears a vector, so it is better to use `clear`.
-    my_empty_vec.clear();
-    println!("This Vec is empty, see? {my_empty_vec:?}");
+    my_vec.clear();
+    println!("This Vec is empty, see? {my_vec:?}");
 
     let mut value_a = 45;
     let mut value_b = 66;