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{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE StaticPointers #-}
module StaticPointers02 where
import GHC.StaticPtr
import Data.Typeable
f2 :: Typeable a => StaticPtr (a -> a)
f2 = static id
f3 :: StaticPtr (Char -> Int)
f3 = static method
f4 :: Typeable a => StaticPtr (T a -> a)
f4 = static t_field
g :: Int -> Int
g = id
f5 :: Typeable a => StaticPtr (a -> a)
f5 = static (id . id)
f6 :: Typeable a => StaticPtr (a -> IO a)
f6 = static return
f7 :: Typeable a => StaticPtr (a -> IO a)
f7 = static (\x -> getLine >> return x)
data T a = T { t_field :: a }
deriving Typeable
class C a where
method :: a -> Int
instance C Char where
method = const 0
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