fork download
copy 
  1. #include <iostream>
  2.  
  3. template <typename T>
  4. struct ReIm
  5. {
  6.     const ReIm* operator ->() const { return this; }
  7.     ReIm* operator ->() { return this; }
  8.  
  9.     T re;
  10.     T im;
  11. };
  12.  
  13.  
  14. struct Cplx
  15. {
  16.     double x;
  17.     double y;
  18.  
  19.     ReIm<double> operator ->() const { return {x, y}; }
  20.     ReIm<double&> operator ->() { return {x, y}; }
  21. };
  22.  
  23. int main() {
  24.     Cplx c{4, 5};
  25.  
  26.     c->re = 42;
  27.     c->im = 51;
  28.  
  29.     std::cout << c.x << " " << c.y << std::endl;
  30. }
  31.  
Success #stdin #stdout 0s 4516KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
42 51
https://ideone.com/DNXrAS
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!