Class Keeper

11.05-rangeBasedForLoopWithTemporary1/main.cpp:7–14

#include <vector>

class Keeper {
  std::vector<int> data{2, 3, 4};

public:
  ~Keeper() { std::cout << "dtor\n"; }

  auto& items() { return data; }
};

Keeper GetKeeper()
{