Elegant, instructive examples of functional programming. Supposed to be fun, and teach important programming techniques and fundamental design principles. Traditionally appear in Journal of Functional Programming, and at ICFP and affiliated workshops.
Amy de Buitléir, Mark Daly, Michael Russell, and Daniel Heffernan. Trends in Functional Programming: 15th International Symposium, TFP 2014, Soesterberg, The Netherlands, May 26-28, 2014. Revised Selected Papers, volume 8843 of Lecture Notes in Computer Science, Springer International Publishing, (2015)