interface Data.IORef where {

{-# NEED #-}
instance Prelude.Functor NHC.Internal.IO;

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Fractional (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.RealFrac (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Num (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Real (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Enum (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Read a,Prelude.Integral a) => Prelude.Read (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Ord (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Eq (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Integral a) => Prelude.Show (Ratio.Ratio a);

{-# NEED #-}
instance (Prelude.Show a) => Prelude.Show (NHC.Internal.IO a);

{-# NEED #-}
instance Prelude.Monad NHC.Internal.IO;
interface Ratio
{-# NEED Ratio #-}
data Ratio a;
interface ! Data.IORef
{-# NEED atomicModifyIORef #-}
atomicModifyIORef{-# 2 #-}::((NHC.IOExtras.IORef a) -> ((a -> (a,b)) -> (NHC.Internal.IO b)));

{-# NEED modifyIORef #-}
modifyIORef{-# 2 #-}::((NHC.IOExtras.IORef a) -> ((a -> a) -> (NHC.Internal.IO ())));
interface ! NHC.IOExtras
{-# NEED readIORef #-}
readIORef{-# 1 #-}::((NHC.IOExtras.IORef a) -> (NHC.Internal.IO a));

{-# NEED writeIORef #-}
writeIORef{-# 2 #-}::((NHC.IOExtras.IORef a) -> (a -> (NHC.Internal.IO ())));

{-# NEED newIORef #-}
newIORef{-# 1 #-}::(a -> (NHC.Internal.IO (NHC.IOExtras.IORef a)));
interface NHC.Internal
{-# NEED IO #-}
newtype {-#  #-} IO;

{-# NEED World #-}
data World;
interface ! NHC.IOExtras
{-# NEED IORef #-}
newtype {-#  #-} IORef a;
}