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  1. class Cube
  2. {
  3. public:
  4.     Cube();
  5.     //bool hasSon; <- not needed, initialize the pointer and you can use that to test.
  6.     Cube* son;
  7.     void setSon(Cube* son);
  8.     void draw();
  9. };
  10.  
  11. Cube::Cube() : son(nullptr)
  12. {}
  13.  
  14. void Cube::setSon(Cube* s)
  15. {
  16.     son = s;
  17. }
  18.  
  19. void Cube::draw() 
  20. {
  21. 	if(son) 
  22. 		son->draw();
  23. }
  24.  
  25.  
  26. int main()
  27. {
  28. 	Cube* base = new Cube();
  29. 	Cube* base2 = new Cube();
  30. 	base->setSon(base2);
  31. 	base->draw();
  32. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/6I36SK
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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