You can include the type in the serialized string. When recovering you can read the type and use to look for the appropriate deserializer in a lookup table where you have registered the deserializer.
I use this trick in the IDynamic package,. that serializes-deserializes dynamic types: http://hackage.haskell.org/package/IDynamic-0.1 2012/10/20 Corentin Dupont <corentin.dup...@gmail.com> > 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 > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > > -- Alberto.
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