From ef5715ce10d1a9c0d9b84a9ed7d04a3aaa490457 Mon Sep 17 00:00:00 2001
From: Tom Witkowski <dev.gummibeer@gmail.com>
Date: Sun, 21 Jun 2020 14:02:42 +0200
Subject: [PATCH] ignore null return values and re-use old target

---
 src/Support/HigherOrderMessageCollection.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Support/HigherOrderMessageCollection.php b/src/Support/HigherOrderMessageCollection.php
index 51d744bc..f16765e1 100644
--- a/src/Support/HigherOrderMessageCollection.php
+++ b/src/Support/HigherOrderMessageCollection.php
@@ -30,7 +30,7 @@ final class HigherOrderMessageCollection
     public function chain(object $target): void
     {
         foreach ($this->messages as $message) {
-            $target = $message->call($target);
+            $target = $message->call($target) ?? $target;
         }
     }