From e71791d0b20a009622032fdfe436129c370813d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Ha=C3=9Fel?= <git@patrick-hassel.de>
Date: Thu, 23 May 2024 12:03:39 +0200
Subject: [PATCH] remove Part via mouse (FIX: ConcurrentModificationException)

---
 src/main/java/de/ph87/electro/circuit/Circuit.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/de/ph87/electro/circuit/Circuit.java b/src/main/java/de/ph87/electro/circuit/Circuit.java
index 26bf27c..b96c2eb 100644
--- a/src/main/java/de/ph87/electro/circuit/Circuit.java
+++ b/src/main/java/de/ph87/electro/circuit/Circuit.java
@@ -80,7 +80,7 @@ public class Circuit {
 
   public void removePart(final Part part) {
     if (parts.remove(part)) {
-      part.getJunctions().forEach(junction -> junction.getWires().forEach(this::disconnect));
+      part.getJunctions().stream().flatMap(junction -> junction.getWires().stream()).toList().forEach(this::disconnect); // jep, first toList(), then forEach (due to concurrent modification)
     } else {
       throw new RuntimeException();
     }