# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2017-01-12 20:27:24 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/819641953985949696) I made this point, less eloquently, in my Thinking In Swift talk: The Static type system removes the need for a whole category of tests. https://t.co/KOhKkzBfSn