fork(8) download
copy 
  1. #include <functional>
  2.  
  3. std::function<int()> dowork()
  4. {
  5.     int answer = 42;
  6.     auto lambda = [answer] () { return answer; };
  7.  
  8.     // can do what we want
  9.     answer = 666;
  10.     return lambda;
  11. }
  12.  
  13. int main()
  14. {
  15.     auto ll = dowork();
  16.     return ll(); // 42
  17. }
  18.  
Success #stdin #stdout 0s 2956KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/Ly38P
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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!