# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2016-09-10 10:11:09 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/774550774252724224) In reply to: [@None](http://twitter.com/None/status/774426737094516736) @slava_pestov How about extension Array where Element: ExpressibleByIntegerLiteral