Control.Monad.Log.LogLoc

Documentation

data LogLoc

source location information.

showt (LogLoc "package" Module "file.hs" 122) = "package Module file.hs 122"
toJSON (LogLoc "package" Module "file.hs" 122) =
    '{"package":"package","module":"module","filename":"file.hs","line":122}'

Constructors

LogLoc

Fields

package :: Text

module' :: Text

filename :: Text

line :: Int

Instances

Eq LogLoc

Ord LogLoc

Show LogLoc

ToJSON LogLoc

FromJSON LogLoc

TextShow LogLoc

liftLogLoc :: Loc -> Q Exp

Lift a location into an Exp.

myLogLoc :: Q Exp

Get current LogLoc.

depending on how accurately you want to record source location, you may want to use Logger 's environment, or provide your own on every log.

example usage: info' $myLogLoc "log message"

withLogLoc :: MonadLog LogLoc m => LogLoc -> m a -> m a

withEnv specialized for LogLoc