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  1. #include <memory>
  2. #include <iostream>
  3.  
  4. class Base {
  5. public:
  6.     Base() { std::cout << "Constructing Base" << std::endl; }
  7.     virtual ~Base() { std::cout << "Destructing Base" << std::endl; }
  8. };
  9.  
  10. class Derived : public Base {
  11. public:
  12.     Derived() { std::cout << "Constructing Derived" << std::endl; }
  13.     ~Derived() { std::cout << "Destructing Derived" << std::endl; }
  14. };
  15.  
  16. int main() {
  17.     std::unique_ptr<Base> ptr{new Derived()};
  18. }
Success #stdin #stdout 0s 2988KB
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stdin
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Standard input is empty
stdout
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Constructing Base
Constructing Derived
Destructing Derived
Destructing Base
https://ideone.com/zVebLV
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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