    module Foreign.Marshal.Error (
      throwIf,       -- :: (a -> Bool) -> (a -> String) -> IO a       -> IO a
      throwIf_,      -- :: (a -> Bool) -> (a -> String) -> IO a       -> IO ()
      throwIfNeg,    -- :: (Ord a, Num a)
                     -- =>                (a -> String) -> IO a       -> IO a
      throwIfNeg_,   -- :: (Ord a, Num a)
                     -- =>                (a -> String) -> IO a       -> IO ()
      throwIfNull,   -- ::                String        -> IO (Ptr a) -> IO (Ptr a)

      -- Discard return value
      --
      void           -- IO a -> IO ()

      ) where
    import "base" Foreign.Marshal.Error