fork(3) download
copy 
  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
copy 
Standard input is empty
stdout
copy 
6
https://ideone.com/yBmBok
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!