From 0f348a7e074c47f011dd2c453537caa7550bfdac Mon Sep 17 00:00:00 2001
From: mehbark <terezi@pyrope.net>
Date: Mon, 17 Apr 2023 16:49:51 -0400
Subject: [PATCH] use in operator (thanks puw4)

---
 src/App.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/App.tsx b/src/App.tsx
index 9315f6b..06acd07 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -261,7 +261,7 @@ const INITIAL_STATE: State = {
 };
 
 function steps(state: State, ops: Op[], limit = 300, num_steps = 0): State[] {
-    if (typeof ops[state.ip] == "undefined" || num_steps > limit) {
+    if (!(state.ip in ops) || num_steps > limit) {
         return [state];
     }
     return cons(