Implements __debugInfo()

src/ArrayClasses/ImmutableArrayClass.php

@@ -57,6 +57,18 @@ class ImmutableArrayClass implements IteratorAggregate, JsonSerializable, Serial
     public function __invoke ($offset) {
         return $this->get($offset);
     }
+    /**
+     * Set information to dump
+     *
+     * @return array The information to dump
+     *
+     * @see https://www.php.net/manual/function.var-dump.php
+     */
+    public function __debugInfo (): array {
+        return [
+            'array' => $this->array,
+        ];
+    }
 
     /**
      * Check if a cell offset exists