feat: validate command (#112)

* feat: validate command

* feat: custom bundle loading support

* fix: default to Spout

* fix: disable Symfony cache

Iterator.php

@@ -15,7 +15,7 @@
 
 interface Iterator extends \Iterator
 {
-    public function current(): ?object;
+    public function current(): object;
 
     public function key(): int;
 

ReverseIterator.php

@@ -47,7 +47,7 @@ public function __construct(Iterator $iterator, int $startIndex, int $endIndex)
     /**
      * {@inheritdoc}
      */
-    public function current(): ?object
+    public function current(): object
     {
         return $this->iterator->current();
     }

Test/FakeIterator.php

@@ -92,9 +92,9 @@ public function rewind(): void
     /**
      * {@inheritdoc}
      */
-    public function current(): ?object
+    public function current(): object
     {
-        /** @var null|object $current */
+        /** @var object $current */
         $current = $this->iterator->current();
 
         return $current;

Validator.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the xezilaires project.
+ *
+ * (c) Dalibor Karlović <[email protected]>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Xezilaires;
+
+interface Validator
+{
+    public function validate(object $object): \Symfony\Component\Validator\ConstraintViolationListInterface;
+}