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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. class ExampleImpl {
  5. public:
  6.     ExampleImpl() {
  7.         std::cout << "constructor called" << std::endl;
  8.     }
  9.     ~ExampleImpl() {
  10.         std::cout << "destructor called" << std::endl;
  11.     }
  12. };
  13.  
  14. class Example {
  15.     std::shared_ptr<ExampleImpl> impl;
  16. public:
  17.     Example() : impl(std::make_shared<ExampleImpl>()){}
  18.     Example* operator&() { 
  19.         return new Example(*this); 
  20.     }
  21. };
  22.  
  23. int main() {
  24.     Example* example_pointer;
  25.  
  26.     {
  27.         Example example; // prints "constructor called"
  28.         example_pointer = &example;
  29.     } // example still exists here, nothing is printed
  30.     std::cout << "Still exists here\n";
  31.  
  32.     delete example_pointer; // deleting automatic variable manually
  33.     // Prints "destructor called"
  34.  
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 3472KB
comments (?)
stdin
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Standard input is empty
stdout
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constructor called
Still exists here
destructor called
https://ideone.com/lmtYXh
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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