func InfoFunc(f func() string) error {
	if isModeEnable(INFO) {
		return glg.out(INFO, "%s", f())
	}
	return nil
}
func InfoFunc(f func() string) error {
	if isModeEnable(INFO) {
		return glg.out(INFO, "%s", f())
	}
	return nil
}
func InfoFunc ( f func ( ) string ) error { if isModeEnable ( INFO ) { return glg . out ( INFO , " " , f ( ) ) } return nil }
// InfoFunc outputs Info level log returned from the function
InfoFunc outputs Info level log returned from the function