glg.go
func (g *Glg) GetCurrentMode(level LEVEL) MODE {
	l, ok := g.logger.Load(level)
	if ok {
		return l.(*logger).mode
	}
	return NONE
}
func (g *Glg) GetCurrentMode(level LEVEL) MODE {
	l, ok := g.logger.Load(level)
	if ok {
		return l.(*logger).mode
	}
	return NONE
}
// GetCurrentMode returns current logging mode