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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. class Foo
  5. {
  6. public:
  7.     typedef std::function<void()> FIn;
  8.     typedef void (*FOut)(Foo*);
  9.  
  10.     explicit Foo(FIn call): _call(call) { _wrapper = [] (Foo* foo) { foo->_call(); }; }
  11.  
  12.     FOut get() const { return _wrapper; }
  13.  
  14. private:
  15.     FIn _call;
  16.     FOut _wrapper;
  17.  
  18. };
  19.  
  20. int main()
  21. {
  22.     Foo foo([] { std::cout << "Hi" << std::endl; });
  23.     foo.get()(&foo);
  24.     return 0;
  25. }
Success #stdin #stdout 0s 3016KB
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Hi
https://ideone.com/VvFuMs
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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