friend logger_set current_logger_extended( std::initializer_list<log_target> further_targets );
private:
void log_impl( level l, const std::string& msg );
std::vector<log_target> m_loggers;
friend logger_set current_logger_extended( std::initializer_list<log_target> further_targets );
private:
void log_impl( level l, const std::string& msg );
std::vector<log_target> m_loggers;