fork download
copy 
  1. #include <iostream>  
  2.  
  3. using namespace std;  
  4.  
  5. class Test {
  6.     int m;
  7. public:
  8.     Test(int i = 0):m(i){}
  9.     void func1() const { cout << "Test::func1, m = " << m << "\n"; }
  10.     void func2() const { cout << "Test::func2, m = " << m << "\n"; }
  11. };
  12.  
  13.  
  14. // Тип  testfunc - указатель на функцию-член Test
  15. typedef void (Test::*testfunc)() const;
  16.  
  17. // Вызов для объекта tets функции f
  18. void out(const Test& t, testfunc f)
  19. {
  20.     (t.*f)();
  21. }
  22.  
  23. void outPtr(const Test* t, testfunc f)
  24. {
  25.     (t->*f)();
  26. }
  27.  
  28. int main() {
  29.  
  30.     Test a(1), b(2);
  31.     out(a,&Test::func1);
  32.     out(b,&Test::func2);
  33.     outPtr(&a,&Test::func2);
  34.     outPtr(&b,&Test::func1);
  35. }  
  36.  
  37.  
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Test::func1, m = 1
Test::func2, m = 2
Test::func2, m = 1
Test::func1, m = 2
https://ideone.com/gXJHrX
language:
C++14 (gcc 8.3)
created:
6 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!