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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int multiply(int x, int y)
  6. {
  7.     return x * y;
  8. }
  9.  
  10. template <class F>
  11. void foo(int x, int y, F f)
  12. {
  13.     cout << f(x, y) << endl;
  14. }
  15.  
  16. template <int (*F)(int,int)>
  17. void bar(int x, int y)
  18. {
  19.     cout << F(x, y) << endl;
  20. }
  21.  
  22. int main()
  23. {
  24.     foo(3, 4, multiply); // works
  25.     bar<multiply>(3, 4); //now it works!
  26.  
  27.     return 0;
  28. }
Success #stdin #stdout 0.01s 2680KB
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https://ideone.com/qJrAe
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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