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  1. #include <functional>
  2.  
  3. using FPTR = std::function<int(int)>;
  4.  
  5. class A {
  6. public:
  7.   FPTR worker;
  8.   int i;
  9.   A(int x) { i = x; }
  10. };
  11.  
  12. template <class BASE>
  13. class C : public BASE {
  14. public:
  15.   C(int y) : BASE(y) {
  16.     this->worker = std::bind(&C<BASE>::doit, this, y);
  17.   }
  18.   int doit(int z) { return this->i + z; }
  19.   int doit_different(int z) { return this->i - z; }
  20. };
  21.  
  22. int main() {
  23.   C<A> instance(66);
  24.   instance.worker(5);
  25.   return 0;
  26. }
Success #stdin #stdout 0s 4388KB
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https://ideone.com/M1r4ox
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
secret

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