# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2017-01-25 09:40:43 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/824190250989842432) I've been implementing this Swift pattern for about a year now. It's a great example of "thinking in Swift" to solve a problem. https://t.co/psxqne32s0