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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <memory>
  4.  
  5. using namespace std;
  6.  
  7.  
  8. struct A {std::unique_ptr<char> ptr;};
  9.  
  10.  
  11. int main(int argc, const char * argv[])
  12. {
  13.     unique_ptr<int> x;
  14.     cout << (x == nullptr) << endl;
  15.     A a;
  16.     A b{};
  17.     cout << (a.ptr == nullptr) << endl;
  18.     cout << (b.ptr == nullptr) << endl;
  19.  
  20. }
  21.  
Success #stdin #stdout 0s 3468KB
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https://ideone.com/aEzwG7
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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