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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. template <typename T>
  5. class A
  6. {
  7.     T a;
  8.     T b;
  9. public:
  10.     A(T a, T b): a(a), b(b) {}
  11.     void show() {
  12.         std::cout << a << b << std::endl;
  13.     }
  14. };
  15.  
  16. class B
  17. {
  18.     std::shared_ptr<A<int>> ptr = nullptr;
  19.  
  20.     void foo()
  21.     {
  22.         ptr = std::make_shared<A<int>>(1, 2);
  23.     }
  24.  
  25. public:
  26.     void bar()
  27.     {
  28.     	foo();
  29.         ptr->show();
  30.     }
  31.  
  32. };
  33.  
  34. int main()
  35. {
  36.     B b;
  37.     b.bar();
  38.    return 0;
  39. }
  40.  
Success #stdin #stdout 0s 4272KB
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https://ideone.com/UmJ1ch
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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