title: Type 'Any?' has no subscript members
body: <p>I am trying to retrieve email id after fb login in my app. However I am getting an error when i try to get the value from result. </p>
  
  <p>The error is:<code>Type 'Any?' has no subscript members</code>.</p>
  
  <pre><code>func fetchProfile()
  {
      print("Fetch Profile")
      let parameters = ["fields": "email, first_name, last_name,  picture.type(large)"]
      FBSDKGraphRequest(graphPath: "me", parameters: parameters).start { (connection, result, error) in
  
          let email = result["email"] as? String  //Type 'Any?' has no subscript members error occurs here.
      }
  }
  </code></pre>