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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. enum class Action {A, B};
  5.  
  6. template <Action a>
  7. void applyAction()
  8. {
  9.    std::cout << "Action  " << (int)a << std::endl;
  10. }
  11.  
  12. template <Action... as>
  13. void applyActions() {
  14. 	using do_= int[];
  15. 	(void)do_{0, ( 
  16. 	   applyAction<as>()
  17. 	,0)...,0}; 
  18. }
  19.  
  20. void foo() {
  21.   applyActions<Action::A, Action::B>();
  22. }
  23.  
  24. void bar() {
  25.   applyActions<Action::B, Action::A>();
  26. }
  27.  
  28.  
  29.  
  30. int main() {
  31. 	foo();
  32. 	bar();
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 4340KB
comments (?)
stdin
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Standard input is empty
stdout
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Action  0
Action  1
Action  1
Action  0
https://ideone.com/be8kRO
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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