#include <boost/container/vector.hpp>
#include <boost/move/utility.hpp>

class non_copyable {
  BOOST_MOVABLE_BUT_NOT_COPYABLE(non_copyable)

public:
  non_copyable() {}
  non_copyable(BOOST_RV_REF(non_copyable)) {}
  non_copyable& operator=(BOOST_RV_REF(non_copyable)) { return *this; }
};

boost::container::vector<non_copyable> create1() {
  return boost::container::vector<non_copyable>();
}

boost::container::vector<non_copyable> create2() {
  boost::container::vector<non_copyable> v;
  return boost::move(v);
}

int main() {
   boost::container::vector<non_copyable> v1 = create1();
   boost::container::vector<non_copyable> v2 = create2();
   return 0;
}