Control.Monad.Logger.Class

class (MonadEffect m) <= MonadLogger m  where

Members

• log :: Message -> m Unit

Instances

• (MonadLogger m) => MonadLogger (ContT a m)
• (MonadLogger m) => MonadLogger (ExceptT a m)
• (MonadLogger m) => MonadLogger (ListT m)
• (MonadLogger m) => MonadLogger (MaybeT m)
• (Monoid w, MonadLogger m) => MonadLogger (RWST r w s m)
• (MonadLogger m) => MonadLogger (ReaderT a m)
• (MonadLogger m) => MonadLogger (StateT a m)
• (Monoid w, MonadLogger m) => MonadLogger (WriterT w m)

trace :: forall m. MonadLogger m => TagSet -> String -> m Unit

debug :: forall m. MonadLogger m => TagSet -> String -> m Unit

info :: forall m. MonadLogger m => TagSet -> String -> m Unit

warn :: forall m. MonadLogger m => TagSet -> String -> m Unit

error :: forall m. MonadLogger m => TagSet -> String -> m Unit