Reordered parameter list for Route::resolveClass to fix null paramete…

…r order error.

src/Route.php

@@ -91,11 +91,11 @@ public function getCallable(?ContainerInterface $container = null): callable
         }
 
         if (is_array($callable) && isset($callable[0]) && is_string($callable[0])) {
-            $callable = [$this->resolveClass($container, $callable[0]), $callable[1]];
+            $callable = [$this->resolveClass($callable[0], $container), $callable[1]];
         }
 
         if (is_string($callable) && method_exists($callable, '__invoke')) {
-            $callable = $this->resolveClass($container, $callable);
+            $callable = $this->resolveClass($callable, $container);
         }
 
         if (! is_callable($callable)) {
@@ -108,12 +108,12 @@ public function getCallable(?ContainerInterface $container = null): callable
     /**
      * Get an object instance from a class name
      *
-     * @param ContainerInterface|null $container
      * @param string                  $class
+     * @param ContainerInterface|null $container
      *
      * @return object
      */
-    protected function resolveClass(?ContainerInterface $container = null, string $class)
+    protected function resolveClass(string $class, ?ContainerInterface $container = null)
     {
         if ($container instanceof ContainerInterface && $container->has($class)) {
             return $container->get($class);