Safe Haskell	None
Language	Haskell2010

Control.Logger.Simple

Synopsis

withGlobalLogging :: LogConfig -> IO a -> IO a
data LogConfig = LogConfig {
- lc_file :: !(Maybe FilePath)
- lc_stderr :: !Bool
}
setLogLevel :: LogLevel -> IO ()
data LogLevel
- = LogTrace
- | LogDebug
- | LogInfo
- | LogNote
- | LogWarn
- | LogError
logTrace :: (?callStack :: CallStack) => MonadIO m => Text -> m ()
logDebug :: (?callStack :: CallStack) => MonadIO m => Text -> m ()
logInfo :: (?callStack :: CallStack) => MonadIO m => Text -> m ()
logNote :: (?callStack :: CallStack) => MonadIO m => Text -> m ()
logWarn :: (?callStack :: CallStack) => MonadIO m => Text -> m ()
logError :: (?callStack :: CallStack) => MonadIO m => Text -> m ()
logFail :: (?callStack :: CallStack, MonadFail m) => MonadIO m => Text -> m a
pureTrace :: (?callStack :: CallStack) => Text -> a -> a
pureDebug :: (?callStack :: CallStack) => Text -> a -> a
pureInfo :: (?callStack :: CallStack) => Text -> a -> a
pureNote :: (?callStack :: CallStack) => Text -> a -> a
pureWarn :: (?callStack :: CallStack) => Text -> a -> a
pureError :: (?callStack :: CallStack) => Text -> a -> a
showText :: Show a => a -> Text
(<>) :: Semigroup a => a -> a -> a
monadLoggerAdapter :: (ToLogStr msg, MonadIO m) => Loc -> LogSource -> LogLevel -> msg -> m ()
runSimpleLoggingT :: MonadIO m => LoggingT m a -> m a

Documentation

withGlobalLogging :: LogConfig -> IO a -> IO a Source #

Setup global logging. Wrap your main function with this.

data LogConfig Source #

Constructors

LogConfig
Fields lc_file :: !(Maybe FilePath) lc_stderr :: !Bool

setLogLevel :: LogLevel -> IO () Source #

Set the verbosity level. Messages at our higher than this level are displayed. It defaults to LogDebug.

data LogLevel Source #

Constructors

LogTrace
LogDebug
LogInfo
LogNote
LogWarn
LogError

Instances

Instances details

Eq LogLevel Source #
Instance details Defined in Control.Logger.Simple Methods (==) :: LogLevel -> LogLevel -> Bool # (/=) :: LogLevel -> LogLevel -> Bool #
Ord LogLevel Source #
Instance details Defined in Control.Logger.Simple 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 #
Read LogLevel Source #
Instance details Defined in Control.Logger.Simple Methods readsPrec :: Int -> ReadS LogLevel # readList :: ReadS [LogLevel] # readPrec :: ReadPrec LogLevel # readListPrec :: ReadPrec [LogLevel] #
Show LogLevel Source #
Instance details Defined in Control.Logger.Simple Methods showsPrec :: Int -> LogLevel -> ShowS # show :: LogLevel -> String # showList :: [LogLevel] -> ShowS #

logTrace :: (?callStack :: CallStack) => MonadIO m => Text -> m () Source #

Log with LogTrace log level

logDebug :: (?callStack :: CallStack) => MonadIO m => Text -> m () Source #

Log with LogDebug log level

logInfo :: (?callStack :: CallStack) => MonadIO m => Text -> m () Source #

Log with LogInfo log level

logNote :: (?callStack :: CallStack) => MonadIO m => Text -> m () Source #

Log with LogNote log level

logWarn :: (?callStack :: CallStack) => MonadIO m => Text -> m () Source #

Log with LogWarn log level

logError :: (?callStack :: CallStack) => MonadIO m => Text -> m () Source #

Log with LogError log level

logFail :: (?callStack :: CallStack, MonadFail m) => MonadIO m => Text -> m a Source #

Log on error level and call fail

pureTrace :: (?callStack :: CallStack) => Text -> a -> a Source #

Log with LogTrace level when the given expression is evaluated

pureDebug :: (?callStack :: CallStack) => Text -> a -> a Source #

Log with LogDebug level when the given expression is evaluated

pureInfo :: (?callStack :: CallStack) => Text -> a -> a Source #

Log with LogInfo level when the given expression is evaluated

pureNote :: (?callStack :: CallStack) => Text -> a -> a Source #

Log with LogNote level when the given expression is evaluated

pureWarn :: (?callStack :: CallStack) => Text -> a -> a Source #

Log with LogWarn level when the given expression is evaluated

pureError :: (?callStack :: CallStack) => Text -> a -> a Source #

Log with LogError level when the given expression is evaluated

showText :: Show a => a -> Text Source #

(<>) :: Semigroup a => a -> a -> a infixr 6 #

An associative operation.

>>> [1,2,3] <> [4,5,6]
[1,2,3,4,5,6]

monadLoggerAdapter :: (ToLogStr msg, MonadIO m) => Loc -> LogSource -> LogLevel -> msg -> m () Source #

An adapter to implemend MonadLogger instances for custom monad stacks

runSimpleLoggingT :: MonadIO m => LoggingT m a -> m a Source #

Runs a logging transformer stack using the simple logger as backend