some comments

src/game/check_player.rs

@@ -1,11 +1,17 @@
 use crate::game::Game;
 
+/// Return value for check functions
+#[derive(Debug)]
 pub enum PlayerCheck {
+	/// The value checks out
 	Ok(String),
+
+	/// There is one or more issues
 	Err(Vec<String>),
 }
 
 impl Game {
+	/// Check the player name to ensure it meets guidelines
 	pub fn check_player_name<S: Into<String>>(&self, name: S) -> PlayerCheck {
 		let name = name.into();
 		let name = name.trim();
@@ -31,6 +37,7 @@ impl Game {
 		}
 	}
 
+	/// Check the password to ensure it meets password requirements
 	pub fn check_player_password<S: Into<String>>(&self, password: S) -> PlayerCheck {
 		let password = password.into();
 		let mut err_vec = Vec::<String>::new();