Complete all tasks

app/Http/Controllers/PostController.php

@@ -9,14 +9,14 @@ class PostController extends Controller
 {
     public function store(Request $request)
     {
-        $request->validate(
+        $request->validate([
+            'title' => 'required|unique:posts'
             // ... TASK: write validation here so that "title" field
             //           would be required and unique in the "posts" DB table
-        );
+        ]);
 
         // Saving the post
         Post::create(['title' => $request->title]);
 
         return 'Success';
-    }
-}
+    }}