Replying to an old thread... Bernd Holzmüller wrote:
Could not find module `Control.Monad.Writer': use -v to see a list of the files searched for
I just installed Visual Haskell and ran into the same problem, and the solution I found was to right click on "References" in the project and add the mtl package.
I also had to add the haskell98 package to get Happy-produced source code to work (even though Happy was called with --ghc).
-- Ben _______________________________________________ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell