[Haskell-cafe] serialize an unknown type

Corentin Dupont corentin.dupont at gmail.com
Sun Oct 21 18:39:51 CEST 2012


Nobody on this one?
Here is a simplified version:

data Event a where
    InputChoice ::  a -> Event a

How to serialize/deserialize this?

Cheers,
Corentin

On Sat, Oct 20, 2012 at 10:49 PM, Corentin Dupont <corentin.dupont at gmail.com
> wrote:

> Hi the list!
> I have a simple question, how can I serialize/deserialize a structure like
> this:
>
> data InputChoice c  deriving Typeable
> data Event a where
>     InputChoice :: (Eq c, Show c) => [c] -> c -> Event (InputChoice c)
>  (...)
>
> I'd like that the values of type "c" get serialized to a String... That's
> the easy part, but for deserializing, oops!
>
> Cheers,
> Corentin
>
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