func PrintFunc(f func() string) error {
	if isModeEnable(PRINT) {
		return glg.out(PRINT, "%s", f())
	}
	return nil
}
func PrintFunc(f func() string) error {
	if isModeEnable(PRINT) {
		return glg.out(PRINT, "%s", f())
	}
	return nil
}
func PrintFunc ( f func ( ) string ) error { if isModeEnable ( PRINT ) { return glg . out ( PRINT , " " , f ( ) ) } return nil }
// PrintFunc outputs Print log returned from the function
PrintFunc outputs Print log returned from the function