From a7c2916df4fe03b620fa0d57ee07cd62e6d09f90 Mon Sep 17 00:00:00 2001
From: Pawel Trauth <eithed@gmail.com>
Date: Mon, 26 Jul 2021 16:00:51 +0100
Subject: [PATCH] add return types (#3)

---
 src/Serializer.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Serializer.php b/src/Serializer.php
index 975490c..bfccd6a 100644
--- a/src/Serializer.php
+++ b/src/Serializer.php
@@ -25,10 +25,10 @@ public function __construct(string $class)
     /**
      * Cast the stored value to the configured DataTransferObject.
      */
-    public function get($model, $key, $value, $attributes)
+    public function get($model, $key, $value, $attributes) : mixed
     {
         if (is_null($value)) {
-            return;
+            return null;
         }
 
         return $this->serializer->deserialize($value, $this->class, 'json');
@@ -37,10 +37,10 @@ public function get($model, $key, $value, $attributes)
     /**
      * Prepare the given value for storage.
      */
-    public function set($model, $key, $value, $attributes)
+    public function set($model, $key, $value, $attributes) : ?string
     {
         if (is_null($value)) {
-            return;
+            return null;
         }
 
         $isCollection = Str::endsWith($this->class, '[]');