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{-# LANGUAGE StaticPointers #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DeriveDataTypeable #-}
module Main where
import GHC.StaticPtr
import GHC.Word
import GHC.Generics
import Data.Data
import Data.Binary
import Data.ByteString
fact :: Int -> Int
fact 0 = 1
fact n = n * fact (n - 1)
main = do
let sptr :: StaticPtr (Int -> Int)
sptr = static fact
print $ staticPtrInfo sptr
print $ deRefStaticPtr sptr 10
-- ---------------------------------------------------------------------
type StaticKey1 = Fingerprint
-- Defined in GHC.Fingerprint.
data Fingerprint = Fingerprint {-# UNPACK #-} !Word64 {-# UNPACK #-} !Word64
deriving (Generic, Typeable)
staticKey :: StaticPtr a -> StaticKey1
staticKey = undefined
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