libghc-mtl-doc 2.2.1-2 (amd64 binary) in ubuntu xenial

 MTL is a monad transformer library, inspired by the paper "Functional
 Programming with Overloading and Higher-Order Polymorphism",
 by Mark P Jones (<http://www.cse.ogi.edu/~mpj/>), Advanced School
 of Functional Programming, 1995.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.