Inline format! args wherever possible

src/bin/bat/assets.rs

@@ -44,7 +44,7 @@ pub fn assets_from_cache_or_binary(
 }
 
 fn clear_asset(path: PathBuf, description: &str) {
-    print!("Clearing {} ... ", description);
+    print!("Clearing {description} ... ");
     match fs::remove_file(&path) {
         Err(err) if err.kind() == io::ErrorKind::NotFound => {
             println!("skipped (not present)");

src/bin/bat/clap_app.rs

@@ -430,7 +430,7 @@ pub fn build_app(interactive_output: bool) -> Command {
                     });
 
                     if let Some(invalid) = invalid_vals.next() {
-                        Err(format!("Unknown style, '{}'", invalid))
+                        Err(format!("Unknown style, '{invalid}'"))
                     } else {
                         Ok(val.to_owned())
                     }

src/bin/bat/main.rs

@@ -222,7 +222,7 @@ pub fn list_themes(cfg: &Config, config_dir: &Path, cache_dir: &Path) -> Result<
         )?;
     } else {
         for theme in assets.themes() {
-            writeln!(stdout, "{}", theme)?;
+            writeln!(stdout, "{theme}")?;
         }
     }
 
@@ -232,10 +232,7 @@ pub fn list_themes(cfg: &Config, config_dir: &Path, cache_dir: &Path) -> Result<
 fn set_terminal_title_to(new_terminal_title: String) {
     let osc_command_for_setting_terminal_title = "\x1b]0;";
     let osc_end_command = "\x07";
-    print!(
-        "{}{}{}",
-        osc_command_for_setting_terminal_title, new_terminal_title, osc_end_command
-    );
+    print!("{osc_command_for_setting_terminal_title}{new_terminal_title}{osc_end_command}");
     io::stdout().flush().unwrap();
 }