log

type Config struct {
	FilePath   string `toml:"file_path"`
	MaxSize    int    `toml:"max_size"`
	MaxBackups int    `toml:"max_backups"`
	MaxAge     int    `toml:"max_age"`
	Level      string `toml:"level"`
	Compress   bool   `toml:"compress"`
}

type Logger interface {
	Debug(v ...interface{})
	Info(v ...interface{})
	Warn(v ...interface{})
	Error(v ...interface{})
	Fatal(v ...interface{})

	Debugf(format string, v ...interface{})
	Infof(format string, v ...interface{})
	Warnf(format string, v ...interface{})
	Errorf(format string, v ...interface{})
	Fatalf(format string, v ...interface{})
}