Henry,Ah, pressed send way to early. Of course, the definition should change a little as well:
convert :: Data a => Int -> a convert i = x where x = fromConstr ( dataTypeConstrs (dataTypeOf x) !! (i - 1) ) Cheers, Stefan _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe