document Zone struct

src/world/zone.rs

@@ -9,12 +9,22 @@ use serde_derive::{Deserialize, Serialize};
 use crate::id::Id;
 use crate::world::{Area, AreaType};
 
+/// A collection of rooms and/or other zones.
 #[derive(Debug, Deserialize, Serialize)]
 pub struct Zone {
+	/// Unique identifier for the zone
 	pub id: Id,
+
+	/// Identifier of the parent zone
 	pub parent: Id,
+
+	/// Name of the zone
 	pub name: String,
+
+	/// Whether players in the zone should be visible on where to the parent
 	pub users_visible: bool,
+
+	/// Areas contained inside this zone
 	pub areas: HashSet<Id>,
 }