fork download
copy 
  1.     #include <iostream>
  2.  
  3.     template<typename T>
  4.     class Point {
  5.  
  6.       private:
  7.         T px, py;
  8.  
  9.       public:
  10.         Point(T x, T y): px(x), py(y) {
  11.           std::cout << "created " << x << ":" << y <<std::endl;
  12.         };
  13.         T x() const { return px; };
  14.         T y() const { return py; };
  15.  
  16.     };
  17.  
  18.     class PointWorld : public Point<double> {
  19.       using Point::Point;
  20.     };
  21.  
  22.     class PointScreen: public Point<int> {
  23.       using Point::Point;
  24.     };
  25.  
  26.  
  27.     int main() {
  28.  
  29.       std::cout << PointScreen(100, 100).x() << std::endl;
  30.  
  31.       return 0;
  32.  
  33.     }
  34.  
Success #stdin #stdout 0s 3340KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
created 100:100
100
https://ideone.com/FdxXUx
language:
C++14 (gcc 8.3)
created:
11 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!