logger :: Formatter :: defaultinit
# Format messages before outputing them
#
# A `Logger` can use a `Formatter` to format the messages before outputting them.
#
# See `DefaultFormatter`.
interface Formatter
# Format `message` depending of its severity `level`
fun format(level: Int, message: Writable): Writable do return message
end
lib/logger/logger.nit:311,1--320,3