B9.B9Logging

This modules contains support for logging.

Since: 0.5.65

Documentation

newtype Logger

The logger to write log messages to.

Since: 0.5.65

Constructors

MkLogger

Fields

• logFileHandle :: Maybe Handle

type CommandIO e = (MonadBaseControl IO (Eff e), MonadIO (Eff e), Member LoggerReader e, Member B9ConfigReader e)

Convenience type alias for Effects that have a B9Config, a Logger, MonadIO and MonadBaseControl.

Since: 0.5.65

type LoggerReader = Reader Logger

Effect that reads a Logger.

Since: 0.5.65

withLogger :: (MonadBaseControl IO (Eff e), MonadIO (Eff e), Member B9ConfigReader e) => Eff (LoggerReader ': e) a -> Eff e a

Lookup the selected getLogVerbosity and _logFile from the B9Config and open it.

Then run the given action; if the action crashes, the log file will be closed.

Since: 0.5.65

b9Log :: CommandIO e => LogLevel -> String -> Eff e ()

traceL :: CommandIO e => String -> Eff e ()

dbgL :: CommandIO e => String -> Eff e ()

infoL :: CommandIO e => String -> Eff e ()

errorL :: CommandIO e => String -> Eff e ()

errorExitL :: (CommandIO e, Member ExcB9 e) => String -> Eff e a

printHash :: Hashable a => a -> String