{-# OPTIONS_GHC -Wno-orphans #-} module Control.Monad.Class.MonadST.Trans () where import Control.Monad.Cont (ContT) import Control.Monad.Except (ExceptT) import qualified Control.Monad.RWS.Lazy as Lazy import qualified Control.Monad.RWS.Strict as Strict import qualified Control.Monad.State.Lazy as Lazy import qualified Control.Monad.State.Strict as Strict import Control.Monad.Trans (lift) import qualified Control.Monad.Writer.Lazy as Lazy import qualified Control.Monad.Writer.Strict as Strict import Control.Monad.Class.MonadST instance MonadST m => MonadST (ContT r m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance MonadST m => MonadST (ExceptT e m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance (Monoid w, MonadST m) => MonadST (Lazy.RWST r w s m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance (Monoid w, MonadST m) => MonadST (Strict.RWST r w s m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance MonadST m => MonadST (Lazy.StateT s m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance MonadST m => MonadST (Strict.StateT s m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance (Monoid w, MonadST m) => MonadST (Lazy.WriterT w m) where withLiftST f = withLiftST $ \g -> f (lift . g) instance (Monoid w, MonadST m) => MonadST (Strict.WriterT w m) where withLiftST f = withLiftST $ \g -> f (lift . g)