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MonadLoggerIO instances

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Michael Snoyman 2014-11-28 07:55:43 +02:00
parent c5519b36ef
commit 9a64b1bdb0
1 changed files with 13 additions and 0 deletions
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yesod-core/Yesod/Core/Types.hs
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@ -62,6 +62,9 @@ import Prelude hiding (catch)
import Control.DeepSeq (NFData (rnf))
import Data.Conduit.Lazy (MonadActive, monadActive)
import Yesod.Core.TypeCache (TypeMap, KeyedTypeMap)
#if MIN_VERSION_monad_logger(0, 3, 10)
import Control.Monad.Logger (MonadLoggerIO (..))
#endif
-- Sessions
type SessionMap = Map Text ByteString
@ -436,6 +439,11 @@ instance MonadIO m => MonadLogger (WidgetT site m) where
monadLoggerLog a b c d = WidgetT $ \hd ->
liftIO $ fmap (, mempty) $ rheLog (handlerEnv hd) a b c (toLogStr d)
#if MIN_VERSION_monad_logger(0, 3, 10)
instance MonadIO m => MonadLoggerIO (WidgetT site m) where
askLoggerIO = WidgetT $ \hd -> return (rheLog (handlerEnv hd), mempty)
#endif
instance MonadActive m => MonadActive (WidgetT site m) where
monadActive = lift monadActive
instance MonadActive m => MonadActive (HandlerT site m) where
@ -489,6 +497,11 @@ instance MonadIO m => MonadLogger (HandlerT site m) where
monadLoggerLog a b c d = HandlerT $ \hd ->
liftIO $ rheLog (handlerEnv hd) a b c (toLogStr d)
#if MIN_VERSION_monad_logger(0, 3, 10)
instance MonadIO m => MonadLoggerIO (HandlerT site m) where
askLoggerIO = HandlerT $ \hd -> return (rheLog (handlerEnv hd))
#endif
instance Monoid (UniqueList x) where
mempty = UniqueList id
UniqueList x `mappend` UniqueList y = UniqueList $ x . y