ghc-prelude-extras

Higher order versions of Prelude classes

Higher order versions of Prelude classes to ease programming with polymorphic recursion and reduce UndecidableInstances See <<a href="http://flint.cs.yale.edu/trifonov/papers/sqcc.pdf>">http://flint.cs.yale.edu/trifonov/papers/sqcc.pdf></a> for further discussion of the approach taken here.