title: Casting AnyObject to Dictionary in swift
body: <p>I'm getting data from iTunes API with AFNetworking and I want to create a Dictionary with the response but I can't do it.</p>
  
  <p>Error: Cannot convert the expression's type "Dictionary " to type "Hashable"</p>
  
  <p>This is my code:</p>
  
  <pre><code>func getItunesStore() {
  
          self.manager.GET( "https://itunes.apple.com/es/rss/topfreeapplications/limit=10/json",
              parameters: nil,
              success: { (operation: AFHTTPRequestOperation!,responseObject: AnyObject!) in
                  var jsonResult: Dictionary = responseObject as Dictionary
  
              },
              failure: { (operation: AFHTTPRequestOperation!,error: NSError!) in
                  println("Error:" + error.localizedDescription)
              })
  
      }
  </code></pre>