Read build_guide.md
Read test_guide.md
- Purely Functional Data Structure, Chris Okasaki, Cambridge University Press.
- Functional Pearls, in Journal of Functional Programming.
- Gerard Huet, The Zipper, Journal of Functional Programming, Sept 1997.
- Andrew J. Kennedy, Picker Combinators, Journal of Functional Programming, Nov 2004.
- The Functional Approach to Programming with Caml, Guy Cousineau and Michel Mauny, Cambridge University Press.