fix validation on container compilation (#36)

src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php

@@ -57,10 +57,9 @@ public static function parsedBody($validator)
     private static function validatorDef($validator)
     {
         if ($validator instanceof Validatable) {
-            return factory(function () use ($validator) {
-                return $validator;
-            });
+            return factory(ValidatorWrapperFactory::create($validator));
         }
+
         return $validator;
     }
 }

src/SAREhub/Microt/App/Request/ValidatorWrapperFactory.php

@@ -0,0 +1,32 @@
+<?php
+
+
+namespace SAREhub\Microt\App\Request;
+
+
+use Respect\Validation\Validatable;
+
+class ValidatorWrapperFactory
+{
+    /**
+     * @var Validatable
+     */
+    private $validator;
+
+    public function __construct(Validatable $validator)
+    {
+        $this->validator = $validator;
+    }
+
+    public static function create(Validatable $validator): self
+    {
+        return new self($validator);
+    }
+
+    public function __invoke()
+    {
+        return $this->validator;
+    }
+
+
+}