traceErrStr:  traceErrStr,
	}
}

type logger struct {
	Writer
	Config
	infoStr, warnStr, errStr            string
	traceStr, traceErrStr, traceWarnStr string
}

// LogMode log mode
func (l *logger) LogMode(level LogLevel) Interface {
	newlogger := *l
	newlogger.LogLevel = level
	return &newlogger
}

// Info print info