From b9aa2a349b62788dcaeb6ea00f41ade31ab9337a Mon Sep 17 00:00:00 2001
From: timeshifter <timeshifter@sumatrae>
Date: Fri, 2 Feb 2024 18:04:04 +0100
Subject: [PATCH] update 04

---
 04/src/main.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/04/src/main.rs b/04/src/main.rs
index e776414..6be5fe3 100644
--- a/04/src/main.rs
+++ b/04/src/main.rs
@@ -49,6 +49,8 @@ fn part_b(cards: &[Card]) {
         result += additional_counts;
     }
 
+    assert_eq!(register.len(), 0);
+
     println!("{result}");
 }