2009/8/6 David Waern <david.wa...@gmail.com>:
> 2009/8/6 Will Donnelly <will.donne...@gmail.com>:
> The type class could provide an interface for serializing and writing
> the state to disk. Instances could choose to use Read/Show, Binary or
> whatever they want, or am I missing something?

That was badly explained. I mean something like this:

class Serialize a where
  read :: FilePath -> IO a
  write :: a -> FilePath -> IO ()

The user then writes an instance for his main state type using Binary
or Read/Show.

David

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