#include <iostream>
#include <cstdarg>
#include <cmath>
 
class Asic_logger {
public:
	enum Verbosity {
		LOG_DEBUG,
		LOG_INFO,
		LOG_NOTICE,
		LOG_WARNING,
		LOG_ERROR,
		LOG_FATAL
	};
	Asic_logger() {}
	virtual ~Asic_logger() {}
	virtual void set_log_level(Verbosity _verbosity) { verbosity = _verbosity; }
	virtual void log(int line, const char * func, const char * file, Verbosity verb, const char * format, ...)
	{
		va_list args;
		va_start (args, format);
		vprintf (format, args);
		va_end (args);
	}
private:
	Verbosity verbosity;
};
 
int main() 
{
    Asic_logger log;
    log.log(__LINE__, __FUNCTION__, __FILE__, Asic_logger::LOG_DEBUG, "%s\n", "Vasya");
}

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