impl Display for tintin room and exit

src/main.rs

@@ -103,22 +103,11 @@ fn main() -> Result<(), Box<dyn Error>> {
 			tintin_rooms.insert(tintin_room.vnum, tintin_room);
 		}
 
-		for (vnum, room) in tintin_rooms {
+		for (_vnum, room) in tintin_rooms {
 			println!("{}", room);
 
 			for exit in room.exits {
-				println!(
+				println!("{}", exit);
-					"E {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}}",
-					exit.vnum,
-					exit.name,
-					exit.cmd,
-					exit.dir,
-					exit.flags,
-					exit.data,
-					exit.weight,
-					exit.color,
-					exit.decay
-				);
 			}
 
 			println!();

src/tintin/exit.rs

@@ -1,3 +1,5 @@
+use std::fmt;
+
 #[derive(Debug)]
 pub struct Exit {
 	/// vnum
@@ -27,3 +29,21 @@ pub struct Exit {
 	/// decay?
 	pub decay: f64,
 }
+
+impl fmt::Display for Exit {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		write!(
+			f,
+			"E {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}} {{{}}}",
+			&self.vnum,
+			&self.name,
+			&self.cmd,
+			&self.dir,
+			&self.flags,
+			&self.data,
+			&self.weight,
+			&self.color,
+			&self.decay
+		)
+	}
+}