On Thu, 6 Dec 2007, Henning Thielemann wrote: > On Thu, 6 Dec 2007, Thomas Hartman wrote: > > > On a related note... is there some easy way to be sure that a program I am > > compiling uses only haskell 98? (Because any pure haskell 98 should always > > compile on yhc... right?) > > You can for instance use 'haskell98' as dependent package instead of > 'base' in the Cabal description. If you import other modules, I don't know > how to check that these are Haskell 98. I weakly remember corner cases > where GHC accepts more than Haskell 98 in Haskell 98 mode. (At least it > sometimes suggests fixes for errors that are not Haskell 98, e.g. class > constraints in signatures. :-)
Now I have an example: GHC-6.4.1 accepts multi parameter type class constraints without '-fglasgow-exts'. > > I compile this with ghc, no options, and iIt doesn't have any {-#-#} > > options, so according to what I understand, it is using pure haskell 98. > > So I might think this was a candidate for using on yhc. > > I could not always pass a GHC-certified module to Hugs or even Haddock. I > remember there is some difference with respect to the trailing 'where' in > the 'instance' head, if the instance declaration is empty. Haddock expect > some spaces in infix operators (I believe ( # ) instead of (#)), which are > not required by Hugs and GHC. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe