[jhc] Is there a working example of type families usage?

[Henning Thielemann]

On Tue, 21 Apr 2015, Artyom wrote:

> I tried this:
> 
> {-# LANGUAGE TypeFamilies #-}
> 
> class C x where
>   type A x
> 
> It fails with this error:
> 
> Temp/jhc1.hs:4   - Error: parse error at "}"


Does JHC already support type families?