3 files changed, 17 insertions, 36 deletions
diff --git a/exercises/22_clippy/clippy1.rs b/exercises/22_clippy/clippy1.rs
index 95c0141..7165da4 100644
--- a/exercises/22_clippy/clippy1.rs
+++ b/exercises/22_clippy/clippy1.rs
@@ -1,26 +1,15 @@
-// clippy1.rs
-//
 // The Clippy tool is a collection of lints to analyze your code so you can
 // catch common mistakes and improve your Rust code.
 //
-// For these exercises the code will fail to compile when there are clippy
-// warnings check clippy's suggestions from the output to solve the exercise.
-//
-// Execute `rustlings hint clippy1` or use the `hint` watch subcommand for a
-// hint.
-
-// I AM NOT DONE
-
-use std::f32;
+// For these exercises, the code will fail to compile when there are Clippy
+// warnings. Check Clippy's suggestions from the output to solve the exercise.
 
 fn main() {
-    let pi = 3.14f32;
-    let radius = 5.00f32;
+    // TODO: Fix the Clippy lint in this line.
+    let pi = 3.14;
+    let radius: f32 = 5.0;
 
-    let area = pi * f32::powi(radius, 2);
+    let area = pi * radius.powi(2);
 
-    println!(
-        "The area of a circle with radius {:.2} is {:.5}!",
-        radius, area
-    )
+    println!("The area of a circle with radius {radius:.2} is {area:.5}");
 }
diff --git a/exercises/22_clippy/clippy2.rs b/exercises/22_clippy/clippy2.rs
index 9b87a0b..8cfe6f8 100644
--- a/exercises/22_clippy/clippy2.rs
+++ b/exercises/22_clippy/clippy2.rs
@@ -1,15 +1,10 @@
-// clippy2.rs
-// 
-// Execute `rustlings hint clippy2` or use the `hint` watch subcommand for a
-// hint.
-
-// I AM NOT DONE
-
 fn main() {
     let mut res = 42;
     let option = Some(12);
+    // TODO: Fix the Clippy lint.
     for x in option {
         res += x;
     }
-    println!("{}", res);
+
+    println!("{res}");
 }
diff --git a/exercises/22_clippy/clippy3.rs b/exercises/22_clippy/clippy3.rs
index 5a95f5b..4f78834 100644
--- a/exercises/22_clippy/clippy3.rs
+++ b/exercises/22_clippy/clippy3.rs
@@ -1,30 +1,27 @@
-// clippy3.rs
-// 
-// Here's a couple more easy Clippy fixes, so you can see its utility.
-// No hints.
-
-// I AM NOT DONE
+// 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<()> = None;
     if my_option.is_none() {
-        my_option.unwrap();
+        println!("{:?}", my_option.unwrap());
     }
 
     let my_arr = &[
         -1, -2, -3
         -4, -5, -6
     ];
-    println!("My array! Here it is: {:?}", my_arr);
+    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);
+    println!("This Vec is empty, see? {my_empty_vec:?}");
 
     let mut value_a = 45;
     let mut value_b = 66;
     // Let's swap these two!
     value_a = value_b;
     value_b = value_a;
-    println!("value a: {}; value b: {}", value_a, value_b);
+    println!("value a: {value_a}; value b: {value_b}");
 }