[Haskell-cafe] Re: Additonal types for Foreign.C.Types

[Maurí­cio]

Sure it does!

Thanks.

> (...)So, for example if you have:
> 
> foreign import ccall "string.h strlen" cstrlen :: Ptr CChar -> IO CSize
> 
> fatype -> ftype :: ftype
>   fatype :: fatype
>     qtycon "Ptr"
>     atype1 "CChar"
>   fatype :: frtype
>     qtycon "IO"
>     atype1 "CSize"
> 
> (I struggled a bit with finding a good way to communicate the 
> productions chosen, so bear with me)
> 
> Make sense?

>>> The FFI spec says (at 
>>> http://www.cse.unsw.edu.au/~chak/haskell/ffi/ffi/ffise3.html#x6-120003.2): 
>>>
>>
>> There I see:
>>
>> ---
>> (...)
>> I can't understand the "qtycon atype[1]..." line. (...)