module Control.Monad.Writer.Strict.Wiring(
wiredTell
) where
import Control.Monad.Wiring
import Control.Monad.Writer.Strict
import qualified Control.Monad.RWS.Lazy as RWSL
import qualified Control.Monad.RWS.Strict as RWSS
instance (Wirable w1 w2, Functor f) => Wirable (WriterT w1 f a) (WriterT w2 f a) where
wire = mapWriterT (fmap (\(a, w) -> (a, wire w)))
instance (Wirable w1 w2, Functor f) => Wirable (WriterT w1 f a) (RWSL.RWST r w2 s f a) where
wire wrtr = RWSL.RWST $ (\_ -> \s -> fmap (\(a, w) -> (a, s, wire w)) $ runWriterT wrtr)
instance (Wirable w1 w2, Functor f) => Wirable (WriterT w1 f a) (RWSS.RWST r w2 s f a) where
wire wrtr = RWSS.RWST $ (\_ -> \s -> fmap (\(a, w) -> (a, s, wire w)) $ runWriterT wrtr)
wiredTell :: (MonadWriter w2 m, Wirable w1 w2) => w1 -> m ()
wiredTell = tell . wire