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  1. template<class T>
  2. class SomeTemplate
  3. {
  4. public:
  5.    SomeTemplate(T* p) { pData = p; }
  6.    T* getPointer() { return pData; }
  7.    template<class S>
  8.    SomeTemplate(SomeTemplate<S> s)
  9.    {
  10.        pData = s.getPointer();
  11.    }
  12. private:
  13.    T* pData;
  14. };
  15.  
  16. class A {};
  17. class B : public A {};
  18.  
  19. int main()
  20. {
  21.     SomeTemplate<B> b(new B());
  22.     SomeTemplate<A> a(b);
  23.     return 0;
  24. }
Success #stdin #stdout 0.01s 2852KB
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https://ideone.com/HUdZLO
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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