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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. void func(std::vector<int> &vec)
  5. {
  6.     std::vector<int> copy(std::move(vec));
  7. }
  8.  
  9.  
  10. int main(int argc, char * argv[])
  11. {
  12.     std::vector<int> vec1{1, 2, 3, 4, 5};
  13.     std::vector<int> vec2(vec1);
  14.  
  15.     std::cout << vec1.size() << std::endl;
  16.  
  17.     func(vec2);
  18.  
  19.     std::cout << vec1.size() << std::endl;
  20. }
Success #stdin #stdout 0.01s 5320KB
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5
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https://ideone.com/mdtyCn
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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