Fix styling

Author: KIKOmanasijev

src/Illuminate/Http/Request.php

@@ -349,10 +349,10 @@ public function userAgent()
      */
     public function merge(array $input)
     {
-        return tap($this, function(Request $request) use ($input){
+        return tap($this, function (Request $request) use ($input) {
             $request->getInputSource()
                     ->replace(collect($input)->reduce(
-                        fn($requestInput, $value, $key) => data_set($requestInput, $key, $value),
+                        fn ($requestInput, $value, $key) => data_set($requestInput, $key, $value),
                         $this->getInputSource()->all()
                     ));
         });

tests/Http/HttpRequestTest.php

@@ -984,12 +984,12 @@ public function testMergeIfMissingMethod()
         $this->assertSame('Taylor', $request->input('name'));
         $this->assertSame(1, $request->input('boolean_setting'));
 
-        $request = Request::create('/', 'GET', ['user' => [ 'first_name' => 'Taylor', 'email' => 'taylor@laravel.com' ]]);
+        $request = Request::create('/', 'GET', ['user' => ['first_name' => 'Taylor', 'email' => 'taylor@laravel.com']]);
         $merge = ['user.last_name' => 'Otwell'];
         $request->mergeIfMissing($merge);
         $this->assertSame('Otwell', $request->input('user.last_name'));
 
-        $request = Request::create('/', 'GET', ['user' => [ 'first_name' => 'Taylor', 'email' => 'taylor@laravel.com' ]]);
+        $request = Request::create('/', 'GET', ['user' => ['first_name' => 'Taylor', 'email' => 'taylor@laravel.com']]);
         $merge = ['user.first_name' => 'John'];
         $request->mergeIfMissing($merge);
         $this->assertSame('Taylor', $request->input('user.first_name'));