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  1. #include <iostream>
  2. #include <utility>
  3.  
  4. template<class T>
  5. class IQueue
  6. {
  7. protected:
  8.     T Data[10];
  9. public:
  10.     virtual const T pop()          = 0;
  11.     virtual void    push(const T&) = 0;
  12. };
  13.  
  14. template<class T>
  15. class QueueA : public IQueue<T>
  16. {
  17. public:
  18. 	const T pop() final {
  19.         std::cout << "pop queue A" << std::endl;
  20.         return T{};
  21.     }
  22.  
  23.     void push(const T& aItemRef) final {
  24.         std::cout << "PUSH queue A" << std::endl;
  25.     }
  26. };
  27.  
  28. template<class T>
  29. class QueueB : public IQueue<T>
  30. {
  31. public:
  32. 	const T pop() final {
  33.         std::cout << "pop queue B" << std::endl;
  34.         return T{};
  35.     }
  36.  
  37.     void push(const T& aItemRef) final {
  38.         std::cout << "PUSH queue B" << std::endl;
  39.     }
  40. };
  41.  
  42. template<class T>
  43. void test_push_pop(IQueue<T>& aQueueP)
  44. {
  45. 	aQueueP.push(T{});
  46.     aQueueP.pop();
  47. }
  48.  
  49. void test_push_pops()
  50. {
  51. }
  52.  
  53. template<class T, class... Ts>
  54. void test_push_pops(T&& aQueueP, Ts&&... aQueuePs)
  55. {
  56. 	test_push_pop(std::forward<T>(aQueueP));
  57. 	test_push_pops(aQueuePs...);
  58. };
  59.  
  60. template<class ... Ts>
  61. void tester_queues(Ts&&... args)
  62. {
  63. 	test_push_pops(args...);
  64. };
  65.  
  66. int main()
  67. {
  68.     tester_queues( QueueA<int>{}, QueueB<char>{} );
  69.     return 0;
  70. }
Success #stdin #stdout 0s 4304KB
comments (?)
stdin
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Standard input is empty
stdout
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PUSH queue A
pop queue A
PUSH queue B
pop queue B
https://ideone.com/NBERCu
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
public

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