System.Logging.Facade.Class

Documentation

class Monad m => Logging m where

A type class for monads with logging support

Methods

consumeLogRecord :: LogRecord -> m ()

Instances

Logging IO

Log messages that are produced in the IO monad are consumed by the global LogSink.

Logging m => Logging (MaybeT m)

Logging m => Logging (ListT m)

Logging m => Logging (IdentityT m)

(Monoid w, Logging m) => Logging (WriterT w m)

(Monoid w, Logging m) => Logging (WriterT w m)

(Error e, Logging m) => Logging (ErrorT e m)

Logging m => Logging (ExceptT e m)

Logging m => Logging (StateT s m)

Logging m => Logging (StateT s m)

Logging m => Logging (ReaderT r m)

Logging m => Logging (ContT r m)

(Monoid w, Logging m) => Logging (RWST r w s m)

(Monoid w, Logging m) => Logging (RWST r w s m)