# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2017-03-13 20:58:06 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/841392952786186245) RT @JadenGeller: I implemented class clusters in Swift thanks to a gross protocol hack! https://t.co/p59MAUTNlu https://t.co/iX9Rohx9K4