# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2022-01-15 11:19:19 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/1482311427604070400) RT @vandadnp: Did you know that in #Dart, you can #extend #functions? 🤯Any function defined with a #typedef can be extended. Here I show yo…