Pull apart return type from load_map

day_06/src/main.rs

@@ -57,7 +57,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         )
     }
     let input_file = &args[1];
-    let data = load_map(input_file)?;
+    let (data, guard_position) = load_map(input_file)?;
     println!("{:?}", data);
 
     Ok(())