Control.Monad.Caster

A simple logger class for LightT monad

Documentation

class MonadLogger m where

Minimal complete definition

getLogger

Methods

getLogger :: MonadIO m => m LogQueue

debug :: (MonadIO m, ToBuilder s) => s -> m ()

info :: (MonadIO m, ToBuilder s) => s -> m ()

warn :: (MonadIO m, ToBuilder s) => s -> m ()

err :: (MonadIO m, ToBuilder s) => s -> m ()

Instances

(Monad m, HasLightEnv env) => MonadLogger (LightT env m)

Defined in MiniLight.Light

Methods

getLogger :: LightT env m LogQueue

debug :: (MonadIO (LightT env m), ToBuilder s) => s -> LightT env m ()

info :: (MonadIO (LightT env m), ToBuilder s) => s -> LightT env m ()

warn :: (MonadIO (LightT env m), ToBuilder s) => s -> LightT env m ()

err :: (MonadIO (LightT env m), ToBuilder s) => s -> LightT env m ()

class ToBuilder a where

Types which are able to be converted into Builder Builder toBuilde encodes String and Text as utf-8.

Methods

toBuilder :: a -> Builder

Instances

Show a => ToBuilder a

Defined in System.Log.Caster.Core

Methods

toBuilder :: a -> Builder

ToBuilder ByteString

Defined in System.Log.Caster.Core

Methods

toBuilder :: ByteString -> Builder

ToBuilder ByteString

Defined in System.Log.Caster.Core

Methods

toBuilder :: ByteString -> Builder

ToBuilder Builder

Defined in System.Log.Caster.Core

Methods

toBuilder :: Builder -> Builder0

ToBuilder String

Defined in System.Log.Caster.Core

Methods

toBuilder :: String -> Builder

ToBuilder Text

Defined in System.Log.Caster.Core

Methods

toBuilder :: Text -> Builder

ToBuilder Text

Defined in System.Log.Caster.Core

Methods

toBuilder :: Text -> Builder

ToBuilder Builder

Defined in System.Log.Caster.Core

Methods

toBuilder :: Builder -> Builder

data LogLevel

Log levels. These are matched to syslog.

Constructors

LogDebug

LogInfo

LogNotice

LogWarn

LogError

LogCritical

LogAlert

LogEmergency

Instances

Eq LogLevel

Defined in System.Log.Caster.Core

Methods

(==) :: LogLevel -> LogLevel -> Bool

(/=) :: LogLevel -> LogLevel -> Bool

Ord LogLevel

Defined in System.Log.Caster.Core

Methods

compare :: LogLevel -> LogLevel -> Ordering

(<) :: LogLevel -> LogLevel -> Bool

(<=) :: LogLevel -> LogLevel -> Bool

(>) :: LogLevel -> LogLevel -> Bool

(>=) :: LogLevel -> LogLevel -> Bool

max :: LogLevel -> LogLevel -> LogLevel

min :: LogLevel -> LogLevel -> LogLevel

Show LogLevel

Defined in System.Log.Caster.Core

Methods

showsPrec :: Int -> LogLevel -> ShowS

show :: LogLevel -> String

showList :: [LogLevel] -> ShowS

data LogQueue

Queue of LogMsg.

stdoutLogger :: LogLevel -> IO LogQueue

iohandleLogger :: Handle -> LogLevel -> IO LogQueue