From de0d20b8f162b323846483043b6935fd4ace829c Mon Sep 17 00:00:00 2001
From: Sebastian Lohff <seba@someserver.de>
Date: Mon, 3 Jan 2022 16:53:17 +0100
Subject: [PATCH] Fail on missing closing brackets

---
 src/main.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 9cfb749..19149c0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -28,6 +28,10 @@ fn check_brainfuck(prog: &str) -> bool {
             },
         }
     }
+    if brackets > 0 {
+        println!("Not all brackets have been closed, {} remain open", brackets);
+        borked = true;
+    }
     return ! borked;
 }