Enjoyed this article. Another good read on ADTs: http://tel.github.io/2014/07/23/types_of_data/ http://tel.github.io/2014/07/23/types_of_data/, and for a Swift-

Enjoyed this article. Another good read on ADTs: http://tel.github.io/2014/07/23/types_of_data/ http://tel.github.io/2014/07/23/types_of_data/, and for a Swift-specific take: http://tel.github.io/2014/07/26/types_of_data_in_swift/ http://tel.github.io/2014/07/26/types_of_data_in_swift/