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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. using p1 = std::unique_ptr<int>;
  5. using p2 = std::unique_ptr<int, void(*)(int*)>;
  6.  
  7. struct intdeleter {
  8.     void operator()(int* t) const {
  9.         delete t;
  10.     }
  11. };
  12. using p3 = std::unique_ptr<int, intdeleter>;
  13.  
  14. int main()
  15. {
  16.     std::cout << sizeof(p1) << " " << sizeof(p2) << " " << sizeof(p3) << std::endl;
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0s 5000KB
comments (?)
stdin 
Standard input is empty
stdout 
8 16 8
https://ideone.com/tuP0po
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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