Cleans up the code a bit

gamenight-cli/src/domain/config.rs

@@ -65,7 +65,7 @@ impl Config {
         let config_path =  Self::config_path();
         if !fs::exists(&config_path)? {
             let config_error = ConfigError(format!("Cannot create parent directory for config file: {}", &config_path.display()).to_string());
-            let _ = fs::create_dir_all(&config_path.parent().ok_or(config_error)?)?;
+            fs::create_dir_all(config_path.parent().ok_or(config_error)?)?;
 
             let config = Config::new();
             fs::write(&config_path, serde_json::to_string_pretty(&config)?.as_bytes())?;
@@ -83,3 +83,9 @@ impl Config {
         Ok(())
     }
 }
+
+impl Default for Config {
+    fn default() -> Self {
+        Self::new()
+    }
+}

gamenight-cli/src/domain/participants.rs

@@ -6,7 +6,7 @@ pub struct Participants<'a>(pub &'a Vec<User>);
 
 impl<'a> Display for Participants<'a> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let string_list: Vec<String> = self.0.iter().map(|x| {format!("{}", x)}).collect();
+        let string_list: Vec<String> = self.0.iter().map(|x| {format!("{x}")}).collect();
         write!(f, "{}", string_list.join(", "))
     }
 }