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  1. #include <vector>
  2. #include <iostream>
  3. #include <functional>
  4.  
  5. int main()
  6. {
  7.     int x = 5;
  8.  
  9.     std::vector<std::reference_wrapper<int>> v;
  10.     v.push_back(std::reference_wrapper<int>(x));
  11.  
  12.     x = 6;
  13.  
  14.     std::cout << v[0];  // 6
  15. }
Success #stdin #stdout 0s 3016KB
comments (?)
stdin 
Standard input is empty
stdout 
6
https://ideone.com/yBmBok
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

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