Ralf Lämmel, Simon L. Peyton Jones. Scrap your boilerplate with class: extensible generic functions. In Olivier Danvy, Benjamin C. Pierce, editors, Proceedings of the 10th ACM SIGPLAN International Conference on Functional Programming, ICFP 2005, Tallinn, Estonia, September 26-28, 2005. pages 204-215, ACM, 2005. [doi]
Abstract is missing.