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  1. #include <iostream>
  2. #include <map>
  3. #include <list>
  4. #include <string>
  5. #include <vector>
  6.  
  7. class foo
  8.     {
  9.         private:
  10.             std::map<std::string, std::list<int>> _allObjs;
  11.             std::vector<int*> _someObjs;
  12.  
  13.          public:
  14.             void addObj(const std::string &name, int obj)
  15.                 {
  16.                     _allObjs[name].push_back(obj);
  17.                     _someObjs.push_back(&_allObjs[name].back());
  18.                 }
  19.  
  20.             void doStuff()
  21.                 {
  22.                     for (auto &obj : _someObjs)
  23.                         {
  24.                             std::cout << *obj << std::endl;
  25.                         }
  26.                 }
  27.  
  28.     };
  29.  
  30. int main()
  31.     {
  32.         foo test;
  33.         test.addObj("test1", 5);
  34.         test.addObj("test1", 6);
  35.  
  36.         test.addObj("test2", 7);
  37.         test.addObj("test2", 8);
  38.  
  39.         test.doStuff();
  40.     }
Success #stdin #stdout 0s 3464KB
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https://ideone.com/gxk0Yw
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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