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{-# LANGUAGE GHCForeignImportPrim #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE UnliftedFFITypes #-}
import Data.Foldable
import GHC.Exts
import GHC.Int
foreign import prim "foo" foo :: Int64# -> Int64#
main :: IO ()
main = for_ [0, 42, 114514] $ \(I64# x#) -> print $ I64# (foo x#)
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