apply StaticClosureRector on src

Author: samsonasik

rector.php

@@ -5,6 +5,7 @@
 use Rector\CodeQuality\Rector\Array_\CallableThisArrayToAnonymousFunctionRector;
 use Rector\CodingStyle\Rector\ArrowFunction\StaticArrowFunctionRector;
 use Rector\CodingStyle\Rector\ClassMethod\UnSpreadOperatorRector;
+use Rector\CodingStyle\Rector\Closure\StaticClosureRector;
 use Rector\CodingStyle\Rector\Property\InlineSimplePropertyAnnotationRector;
 use Rector\Config\RectorConfig;
 use Rector\Privatization\Rector\Class_\FinalizeClassesWithoutChildrenRector;
@@ -37,5 +38,8 @@
         StaticArrowFunctionRector::class => [
             __DIR__ . '/spec',
         ],
+        StaticClosureRector::class       => [
+            __DIR__ . '/spec',
+        ],
     ]);
 };

spec/Middleware/MezzioSpec.php

@@ -46,7 +46,7 @@
 
     });
 
-    given('logger', function () {
+    given('logger', function (): Logger {
 
         $dbAdapter = new Adapter([
             'username' => 'root',