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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. struct Free
  5. {
  6. void operator()(void* ptr)
  7. {
  8. free(ptr);
  9. }
  10. };
  11. using malloc_unique_ptr = std::unique_ptr<void, Free>;
  12.  
  13.  
  14. int main() {
  15. std::cout << sizeof(malloc_unique_ptr) << '-' << sizeof(std::unique_ptr<int>);
  16. }
Success #stdin #stdout 0s 16064KB
stdin
Standard input is empty
stdout
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