From 0551aa0a073af5f32320cece0ea3ba17c647633d Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Tue, 7 Nov 2023 18:12:42 -0800
Subject: [PATCH] don't copy array data over itself

---
 src/Collections/IndexableSet.cs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/Collections/IndexableSet.cs b/src/Collections/IndexableSet.cs
index d49c597..140f9f5 100644
--- a/src/Collections/IndexableSet.cs
+++ b/src/Collections/IndexableSet.cs
@@ -61,10 +61,14 @@ namespace MoonTools.ECS.Collections
 				return false;
 			}
 
-			var lastElement = array[Count - 1];
 			var index = indices[element];
-			array[index] = lastElement;
-			indices[lastElement] = index;
+
+			if (index != Count - 1)
+			{
+				var lastElement = array[Count - 1];
+				array[index] = lastElement;
+				indices[lastElement] = index;
+			}
 			count -= 1;
 			indices.Remove(element);