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  1. #include <iostream>
  2. #include <vector>
  3. #include <memory>
  4.  
  5. class MatrixInterface
  6. {
  7. public:
  8. 	virtual ~MatrixInterface() = default;
  9.  
  10. 	virtual void doSomething() const = 0;
  11. };
  12.  
  13. class MatrixA : public MatrixInterface
  14. {
  15. public:
  16. 	void doSomething() const override
  17. 	{
  18. 		std::cout << "This is MatrixA" << std::endl;
  19. 	}
  20. };
  21.  
  22. class MatrixB : public MatrixInterface
  23. {
  24. 	void doSomething() const override
  25. 	{
  26. 		std::cout << "This is MatrixB" << std::endl;
  27. 	}
  28. };
  29.  
  30. class MatrixC : public MatrixInterface
  31. {
  32. 	void doSomething() const override
  33. 	{
  34. 		std::cout << "This is MatrixC" << std::endl;
  35. 	}
  36. };
  37.  
  38. int main() {
  39. 	using VectorType = std::vector<std::unique_ptr<MatrixInterface>>;
  40. 	VectorType matricies;
  41.  
  42. 	matricies.push_back(VectorType::value_type(new MatrixA));
  43. 	matricies.push_back(VectorType::value_type(new MatrixB));
  44. 	matricies.push_back(VectorType::value_type(new MatrixC));
  45.  
  46. 	for(auto& element : matricies)
  47. 	{
  48. 		element->doSomething();
  49. 	}
  50.  
  51. 	return 0;
  52. }
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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This is MatrixA
This is MatrixB
This is MatrixC
https://ideone.com/aLwlH9
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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