[Haskell-beginners] Issue with MultiParamTypeClasses

[Ovidiu Deac]

Indeed, with newtype it works like a charm. Thanks!

On Sun, Dec 6, 2015 at 8:26 PM, Marcin Mrotek <marcin.jan.mrotek at gmail.com>
wrote:

> Hello,
>
> This is not an issue with MultiParamTypeClasses. It's just that type
> synonyms always have to be used fully applied. You can use a newtype
> instead:
>
> newtype AdjList a = AdjList [(a,[a])]
>
> instance Graph AdjList Int where
>   (...)
>
> Best regards,
> Marcin Mrotek
>
>
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