fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Car
  5. {
  6.     public:
  7.     int speed;
  8. };
  9.  
  10. int main()
  11. {
  12.     int Car::*pSpeed = &Car::speed;
  13.  
  14.     Car c1;
  15.     c1.speed = 1;       // direct access
  16.     cout << "speed is " << c1.speed << endl;
  17.     c1.*pSpeed = 2;     // access via pointer to member
  18.     cout << "speed is " << c1.speed << endl;
  19.     return 0;
  20. }
Success #stdin #stdout 0s 4320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
speed is 1
speed is 2
https://ideone.com/lfDX9U
language:
C++ (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!