implement Potter\Cloneable

src/Potter/Cloneable/AbstractCloneable.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Cloneable;
+
+use \Potter\Template\Template;
+
+abstract class AbstractCloneable extends Template implements CloneableInterface
+{
+    abstract public function clone(): static;
+    abstract public function __clone(): void;
+}

src/Potter/Cloneable/Cloneable.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Cloneable;
+
+abstract class Cloneable extends AbstractCloneable
+{
+    use CloneableTrait;
+}

src/Potter/Cloneable/CloneableInterface.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Cloneable;
+
+use \Potter\Template\TemplateInterface;
+
+interface CloneableInterface extends TemplateInterface 
+{
+    public function clone(): static;
+    public function __clone(): void;
+}

src/Potter/Cloneable/CloneableTrait.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Cloneable;
+
+trait CloneableTrait 
+{
+    public function clone(): static
+    {
+        return clone $this;
+    }
+    
+    public function __clone(): void
+    { }
+}