Dmitri O.Kondratiev wrote:
Thanks everybody for your help! I tried to implement showList, but get the same error:
That's because you're trying to implement instance Show [MyType], but you have to implement instance Show MyType instead, without the [].
Groetjes, Martijn. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe