Formatting

src/main.rs

@@ -223,10 +223,7 @@ fn main() {
 
         Subcommands::Watch { success_hints } => match watch(&exercises, verbose, success_hints) {
             Err(e) => {
-                println!(
-                    "Error: Could not watch your progress. Error message was {:?}.",
-                    e
-                );
+                println!("Error: Could not watch your progress. Error message was {e:?}.");
                 println!("Most likely you've run out of disk space or your 'inotify limit' has been reached.");
                 std::process::exit(1);
             }
@@ -280,7 +277,7 @@ fn spawn_watch_shell(
                     if parts.is_empty() {
                         println!("no command provided");
                     } else if let Err(e) = Command::new(parts[0]).args(&parts[1..]).status() {
-                        println!("failed to execute command `{}`: {}", cmd, e);
+                        println!("failed to execute command `{cmd}`: {e}");
                     }
                 } else {
                     println!("unknown command: {input}");

src/verify.rs

@@ -24,7 +24,7 @@ pub fn verify<'a>(
             .progress_chars("#>-"),
     );
     bar.set_position(num_done as u64);
-    bar.set_message(format!("({:.1} %)", percentage));
+    bar.set_message(format!("({percentage:.1} %)"));
 
     for exercise in exercises {
         let compile_result = match exercise.mode {
@@ -37,7 +37,7 @@ pub fn verify<'a>(
         }
         percentage += 100.0 / total as f32;
         bar.inc(1);
-        bar.set_message(format!("({:.1} %)", percentage));
+        bar.set_message(format!("({percentage:.1} %)"));
         if bar.position() == total as u64 {
             println!(
                 "Progress: You completed {} / {} exercises ({:.1} %).",
@@ -191,27 +191,25 @@ fn prompt_for_completion(
         Mode::Test => "The code is compiling, and the tests pass!",
         Mode::Clippy => clippy_success_msg,
     };
-    println!();
+
     if no_emoji {
-        println!("~*~ {success_msg} ~*~")
+        println!("\n~*~ {success_msg} ~*~\n");
     } else {
-        println!("🎉 🎉  {success_msg} 🎉 🎉")
+        println!("\n🎉 🎉  {success_msg} 🎉 🎉\n");
     }
-    println!();
 
     if let Some(output) = prompt_output {
-        println!("Output:");
-        println!("{}", separator());
-        println!("{output}");
-        println!("{}", separator());
-        println!();
+        println!(
+            "Output:\n{separator}\n{output}\n{separator}\n",
+            separator = separator(),
+        );
     }
     if success_hints {
-        println!("Hints:");
-        println!("{}", separator());
-        println!("{}", exercise.hint);
-        println!("{}", separator());
-        println!();
+        println!(
+            "Hints:\n{separator}\n{}\n{separator}\n",
+            exercise.hint,
+            separator = separator(),
+        );
     }
 
     println!("You can keep working on this exercise,");
@@ -231,7 +229,7 @@ fn prompt_for_completion(
             "{:>2} {}  {}",
             style(context_line.number).blue().bold(),
             style("|").blue(),
-            formatted_line
+            formatted_line,
         );
     }