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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A{
  5. 	public :
  6. 		 A(){
  7. 			void (A::*ptr[3])(void) = {
  8. 				&A::pattern0,
  9. 				&A::pattern1,
  10. 				&A::pattern2
  11. 			};
  12. 			(this->*ptr[0])();
  13. 			(this->*ptr[1])();
  14. 			(this->*ptr[2])();
  15. 		}
  16. 		~A(){
  17. 		}
  18. 	private:
  19. 		void pattern0(void){
  20. 			printf("パターン01\n");
  21. 		}
  22. 		void pattern1(void){
  23. 			printf("パターン02\n");
  24. 		}
  25. 		void pattern2(void){
  26. 			printf("パターン03\n");
  27. 		}
  28. };
  29.  
  30. int main(){
  31.  
  32. 	A a;
  33.  
  34.  
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin 
Standard input is empty
stdout 
パターン01
パターン02
パターン03
https://ideone.com/qxMane
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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