Use fn and object type hint

Author: thekid

src/main/php/web/rest/MethodsIn.class.php

@@ -8,13 +8,13 @@
 class MethodsIn extends Delegates {
 
   /** @param object $instance */
-  public function __construct($instance) {
+  public function __construct(object $instance) {
     $class= Reflection::type($instance);
     if ($annotation= $class->annotation(Resource::class)) {
       $this->with($instance, (string)$annotation->argument(0));
     } else {
       $this->with($instance, '/');
     }
-    uksort($this->patterns, function($a, $b) { return strlen($b) - strlen($a); });
+    uksort($this->patterns, fn($a, $b) => strlen($b) - strlen($a));
   }
 }

src/main/php/web/rest/Response.class.php

@@ -123,9 +123,7 @@ public static function error($code= 500, $cause= null) {
     $self= new self($code);
     if (null !== $cause) {
       $error= ['status' => $code, 'message' => $cause instanceof Throwable ? $cause->getMessage() : $cause];
-      $self->body= function($res, $format) use($error) {
-        $format->write($res, $error);
-      };
+      $self->body= fn($res, $format, $marshalling) => $format->write($res, $error);
     }
     return $self;
   }