fork download
copy 
  1. #include <iostream>
  2.  
  3. template<typename T, int (T::*M)>
  4. int getValue(T const& obj)
  5. {
  6.     return obj.*M;
  7. }
  8.  
  9. class NotPlainOldDataType
  10. {
  11. public:
  12.     explicit NotPlainOldDataType(int xx) : x(xx) { }
  13.     ~NotPlainOldDataType() { }
  14.     int x;
  15. };
  16.  
  17. int main()
  18. {
  19.     typedef NotPlainOldDataType NPOD;
  20.  
  21.     NPOD obj(3);
  22.     std::cout << getValue<NPOD, &NPOD::x>(obj) << '\n';
  23. }
Success #stdin #stdout 0.02s 2680KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
3
https://ideone.com/wfkUp
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!