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  1. #include <iostream>
  2. #include <functional>
  3. using namespace std;
  4.  
  5. template <typename Fnc, typename Args>
  6. void t (Fnc f, Args arg) {
  7.   f (arg);
  8. }
  9.  
  10. void foo (int x) {
  11.   cout<<x;
  12. }
  13. void bar (int& x) {
  14.   cout << ++x;
  15. }
  16.  
  17. int main () {
  18.   int x=2;
  19.   t (foo, x);
  20.   t<function<void(int&)>,int&> (bar, x);
  21.   cout << x;
  22. }
  23.  
Success #stdin #stdout 0s 3456KB
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https://ideone.com/e3kccA
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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