# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2016-10-13 19:17:18 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/786647016667541504) RT @olebegemann: When your algorithm needs overloads for half-open and closed ranges, consider extending RandomAccessCollection: https://t.…