Log consumer that writes the log events to a file.
Log.hpp
OStreamConsumer.hpp
Log consumer interface for std::ostream objects.
StdoutConsumer.hpp
StdoutErrConsumer.hpp
Log consumer that writes the log events with a Log::Kind equal to or more severe than a threshold (defaults to Log::Kind::Warning) to the STDERR, and events with a Log::Kind less severe than the threshold to the STDOUT.