You're linking to an old version. Here is the current version: http://hackage.haskell.org/package/turtle/docs/Turtle-Tutorial.html http://hackage.haskell.org/pa

You're linking to an old version. Here is the current version: http://hackage.haskell.org/package/turtle/docs/Turtle-Tutorial.html http://hackage.haskell.org/package/turtle/docs/Turtle-Tutori...