Paul MengX: @MnO2XMnO2Videos (4)17:56Refactoring with Free Monad - Haskell SGNov 20, 2015 · Haskell SG25:48Making Slide with GHCJS - Haskell SGNov 20, 2015 · Haskell SG25:49Polymorphism 101Aug 19, 2015 · Haskell SG1:00:32Damas-Milner type system - Haskell.SGJul 1, 2015 · Haskell SG