[8.x] Attribute Cast / Accessor Improvements

src/Illuminate/Database/Eloquent/Casts/AsAttribute.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Casts;
+
+use Attribute as BaseAttribute;
+
+#[BaseAttribute]
+class AsAttribute
+{
+    //
+}

src/Illuminate/Database/Eloquent/Casts/Attribute.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Casts;
+
+class Attribute
+{
+    /**
+     * The attribute accessor.
+     *
+     * @var callable
+     */
+    public $get;
+
+    /**
+     * The attribute mutator.
+     *
+     * @var callable
+     */
+    public $set;
+
+    /**
+     * Create a new attribute accessor / mutator.
+     *
+     * @param  callable  $get
+     * @param  callable  $set
+     * @return void
+     */
+    public function __construct(callable $get = null, callable $set = null)
+    {
+        $this->get = $get;
+        $this->set = $set;
+    }
+}