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  1. template<typename T>
  2. class MySwither{
  3. public:
  4.     virtual void SetData(T data) = 0;
  5.     virtual T GetData() = 0;
  6.     virtual ~MySwither() {}
  7. };
  8.  
  9. class AthleteForm : public MySwither<int> {
  10. private:
  11.     int a;
  12. public:
  13.     AthleteForm() : a(0){}
  14.     void SetData(int data){
  15.         a = data;
  16.     }
  17.     int GetData(){
  18.         return a;
  19.     }
  20. };
  21.  
  22. template<typename T>
  23. class AbsObj{
  24. public:
  25.     AbsObj(){}
  26.     MySwither<T> *obj;
  27. };
  28.  
  29.  
  30. class IntObj : public AbsObj<int>{
  31. public:
  32.     IntObj(){
  33.         obj = new AthleteForm;
  34.     }
  35.     ~IntObj(){
  36.         if(obj != nullptr){
  37.             delete obj;
  38.         }
  39.     }
  40. };
  41.  
  42. int main(int argc, char *argv[])
  43. {
  44.     IntObj obj;
  45.     return 0;
  46. }
Success #stdin #stdout 0s 4288KB
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https://ideone.com/NXfdbf
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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