NFData

[Sittampalam, Ganesh]

Hi,

NFData seems to be the "standard" deepseq-style class these days, but it
lives in Control.Parallel.Strategies in the parallel package whereas it
obviously has uses beyond this. Is there a case for moving it into its
own package and module?

I'd also like to add something like

strictly :: (Monad m, NFData a) => m a -> m a
strictly ma = do a <- ma
                 rnf a `seq` return a

The most important use for this would be to provide a standard way to do
strict IO:

strictly $ readFile "..."
strictly $ hGetContents ...

Thoughts?

Cheers,

Ganesh

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