Hi, I typed: ghc Main.hs
and then GHC said: GHC.EXE: panic! (the `impossible' happened, GHC version 5.02.2): Maybe.fromJust: Nothing Please report it as a compiler bug to [EMAIL PROTECTED], or http://sourceforge.net/projects/ghc/. -- Maarten _______________________________________________ Glasgow-haskell-bugs mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs