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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. typedef union Data{
  7.     int m;
  8.     double u;
  9.     long f;
  10.  
  11.     Data(int kj, double lh, long fg)
  12.     {
  13.         m = kj;
  14.         u = lh;
  15.         f = fg;
  16.     }
  17.  
  18.     Data& operator= (const Data& mydat)
  19.     {
  20.         m = mydat.m;
  21.         u = mydat.u;
  22.         f = mydat.f;
  23.  
  24.         return *this;
  25.     }
  26. };
  27.  
  28. struct Example
  29. {
  30.     vector <Data> m;
  31.     string k;
  32.  
  33.     Example (string info, Data* data)
  34.     {
  35.         m.push_back(Data(2,-9.32322,-324332));
  36.         k = info; *data = m.back();
  37.     }
  38.  
  39.     ~Example()
  40.     {
  41.         cout << "Deleted!\n";
  42.     }
  43. };
  44.  
  45. int main()
  46. {
  47.     Data* flv = new Data(1,2,3);
  48.     std::cout << flv->m << std::endl;
  49.     Example doesnotwork("", flv);
  50.     std::cout << flv->m << std::endl;
  51.     return 0;
  52. }
Success #stdin #stdout 0s 3032KB
comments (?)
stdin 
Standard input is empty
stdout 
3
-324332
Deleted!
https://ideone.com/Wu3hR6
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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