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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. class Test{
  5. private:
  6.     std::vector<int>* testvec;
  7.  
  8. public:
  9.     Test(std::vector<int>* vec){
  10.         testvec = vec;
  11.     }
  12.  
  13.     void add(int i){
  14.         testvec->push_back(i);
  15.     }
  16.  
  17.     void report(){
  18.         std::cout << "testvec has " << testvec->size() << " items" << "\n";
  19.         for(int i : *testvec)
  20.             std::cout << i << " ";
  21.         if(!testvec->empty())
  22.             std::cout << "\n";
  23.     }
  24. };
  25.  
  26. int main() {
  27.     std::vector<int> myVec;
  28.  
  29.     Test test(&myVec);
  30.     for(int i = 0; i < 10; i++){
  31.         test.add(i);
  32.     }
  33.  
  34.     test.report();
  35.     std::cout << "\n";
  36.     std::cout << "myVec has " << myVec.size() << " items" << "\n";
  37.     for(int i : myVec)
  38.         std::cout << i << " ";
  39.  
  40.     return 0;
  41. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
Standard input is empty
stdout 
testvec has 10 items
0 1 2 3 4 5 6 7 8 9 

myVec has 10 items
0 1 2 3 4 5 6 7 8 9
https://ideone.com/7DWJ9O
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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