Safe Haskell | None |
---|---|
Language | Haskell2010 |
System.Logging.Facade.Sink
Synopsis
- type LogSink = LogRecord -> IO ()
- defaultLogSink :: IO LogSink
- getLogSink :: IO LogSink
- setLogSink :: LogSink -> IO ()
- swapLogSink :: LogSink -> IO LogSink
- withLogSink :: LogSink -> IO () -> IO ()
Documentation
defaultLogSink :: IO LogSink Source #
A thread-safe log sink that writes log messages to stderr
getLogSink :: IO LogSink Source #
Return the global log sink.
setLogSink :: LogSink -> IO () Source #
Set the global log sink.
swapLogSink :: LogSink -> IO LogSink Source #
Return the global log sink and set it to a new value in one atomic operation.
withLogSink :: LogSink -> IO () -> IO () Source #
Set the global log sink to a specified value, run given action, and finally restore the global log sink to its previous value.