Hi > > What is happening here ? Does importing Data.Char shadow (in a hidden way) > > some > > timeworn types or methods in the Prelude ? If so, ghc might be still faster > > than it looks now. > > There is absolutely no way this could be correct behavior.
Not true - importing an additional (but apparently unused) module can introduce new rules, pragmas and instances into scope, which can effect the optimisation. However, in this case, it looks like a bug - in either GHC or Joost's testing. Thanks Neil _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
