document the global variables

src/check.rs

@@ -5,11 +5,22 @@ use crate::config::Player;
 // this global stuff is so that we can load up the config and check stuff without
 // being part of the Game struct
 thread_local! {
+	/// Minimum length for name
 	static NAME_MIN: RefCell<usize> = RefCell::new(0);
+
+	/// Maximum length for name
 	static NAME_MAX: RefCell<usize> = RefCell::new(0);
+
+	/// Characters allowed to be in name
 	static NAME_CHARS: RefCell<&'static str> = RefCell::new("");
+
+	/// Password minimum length
 	static PASS_MIN: RefCell<usize> = RefCell::new(0);
+
+	/// Password maximum length
 	static PASS_MAX: RefCell<usize> = RefCell::new(0);
+
+	/// Password allowed characters
 	static PASS_CHARS: RefCell<&'static str> = RefCell::new("");
 }