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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. struct A{
  5.    int m; 
  6.  
  7.    std::function<void()> f() {
  8.        return [=]() mutable { std::cout << m; };
  9.    }
  10. };
  11.  
  12. int main() {
  13.     A a = {3};
  14.     auto f = a.f();
  15.     a.m = 4;
  16.     f();
  17. }
Success #stdin #stdout 0s 3016KB
comments (?)
stdin 
Standard input is empty
stdout 
4
https://ideone.com/8DbDg
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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