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  1. #include <vector>
  2. #include <iostream>
  3.  
  4. #include <functional>
  5.  
  6. int main()
  7. {
  8.     int x(1);
  9.  
  10.     std::vector<std::reference_wrapper<int>> v;
  11.     v.push_back(std::reference_wrapper<int>(x));
  12.  
  13.     x = 6;
  14.  
  15.     std::cout << v.at(0);  // 6
  16. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin 
Standard input is empty
stdout 
6
https://ideone.com/zIUkDZ
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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