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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. class Foo
  5. {
  6.   public:
  7.     std::function<int(int)> doit = [](int val){return ++val;};
  8. };
  9.  
  10. int main() {
  11.     Foo foo;
  12.     std::cout << foo.doit(10) << '\n';
  13.     foo.doit = [](int val){return val*2;};
  14.     std::cout << foo.doit(10);
  15. }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin 
Standard input is empty
stdout 
11
20
https://ideone.com/9m6r1Y
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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