Hi > I have just discovered Generics in Haskell and, writing some code with > GHC, I wondered about the portability of my code.
If you use Data.Generics, your code is not portable - no other Haskell implementation supports the necessary bits. > I can use the -fgenerics to automatically derive instances for > Something. But I could wish to have the generated source code for those > instances (like, I suppose, the DrIft tool does), for instance, to > compile my source with another compiler, which does not support Generics. Use Derive, which does support Generics: http://www-users.cs.york.ac.uk/~ndm/derive/ If you care about portability, and are not using some of the more advanced features of Generics, then you might want to take a look at Uniplate: http://www-users.cs.york.ac.uk/~ndm/uniplate/ Uniplate does generic traversals, but will work on all Haskell 98 compilers, to some degree - read the paper for exact details. Thanks Neil _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users