[Haskell-cafe] Re: derive & Drift - some help please

Alexander Dunlap alexander.dunlap at gmail.com
Sun Mar 8 15:31:51 EDT 2009


What problems are you encountering?

Alex

On Sun, Mar 8, 2009 at 11:58 AM, G?uenther Schmidt <redcom at fedoms.com> wrote:
> Hi Sterling,
>
> sry, but I can't get it to work.
>
> Günther
>
> Sterling Clover schrieb:
>>
>> You shouldn't need any extra tools for this. A combination of the
>> StandaloneDeriving and DeriveDataTypeable extensions in GHC should suffice.
>>
>> Cheers,
>> S.
>>
>> On Sun, Mar 8, 2009 at 10:30 AM, Gü?nther Schmidt <gue.schmidt at web.de
>> <mailto:gue.schmidt at web.de>> wrote:
>>
>>    Hi,
>>
>>    I need to derive Data, Typeable for Data.Time.LocalTime. I had hoped
>>    to use either derive or DrIFT to generate the instance declarations
>>    for it.
>>
>>    I tried to understand the respective user manuals but it's still all
>>    Greek to me.
>>
>>    Someone please help!
>>
>>    Günther
>>
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