Hakyll.Core.Logger

Produce pretty, thread-safe logs

Documentation

data Logger

Logger structure. Very complicated.

makeLogger :: (String -> IO ()) -> IO Logger

Create a new logger

flushLogger :: Logger -> IO ()

Flush the logger (blocks until flushed)

section

Arguments

:: MonadIO m

=> Logger

Logger

-> String

Section name

-> m ()

No result

Start a section in the log

timed

Arguments

:: MonadIO m

=> Logger

Logger

-> String

Message

-> m a

Action

-> m a

Timed and logged action

Execute a monadic action and log the duration

report

Arguments

:: MonadIO m

=> Logger

Logger

-> String

Message

-> m ()

No result

Log something at the same level as timed, but without the timing

thrown

Arguments

:: MonadIO m

=> Logger

Logger

-> String

Message

-> m ()

No result

Log an error that was thrown in the compilation phase