Chciałbym móc serializować stl kontener std :: unique_ptrs. Czy można to zrobić? btw, wszystko działa dobrze z pojedynczym std :: unique_ptr. Poniżej znajduje się kod, nad którym pracuję, a gcc podaje następujący błąd:

 use of deleted function ‘std::unique_ptr<_Tp, _Dp>::unique_ptr(const
 std::unique_ptr<_Tp, _Dp>&) [with _Tp = MyDegrees; _Dp =
 std::default_delete<MyDegrees>; std::unique_ptr<_Tp, _Dp> =
 std::unique_ptr<MyDegrees>]’

Jak mogę sprawić, aby kod działał?

#include <iostream>
#include <memory>
#include <fstream>
#include <map>
#include <vector>
#include <boost/serialization/map.hpp>
#include <boost/serialization/vector.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/xml_oarchive.hpp>
#include <boost/archive/xml_iarchive.hpp>
namespace boost {
namespace serialization {

template<class Archive, class T>
inline void save(
    Archive & ar,
    const std::unique_ptr< T > &t,
    const unsigned int file_version
) {
    // only the raw pointer has to be saved
    const T * const tx = t.get();
    //ar << tx;
    ar << boost::serialization::make_nvp("px", tx);
}
template<class Archive, class T>
inline void load(
    Archive & ar,
    std::unique_ptr< T > &t,
    const unsigned int file_version
) {
    T *pTarget;
    //ar >> pTarget;
    ar >> boost::serialization::make_nvp("px", pTarget);

#if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
    t.release();
    t = std::unique_ptr< T >(pTarget);
#else
    t.reset(pTarget);
#endif
}
template<class Archive, class T>
inline void serialize(
    Archive & ar,
    std::unique_ptr< T > &t,
    const unsigned int file_version
) {
    boost::serialization::split_free(ar, t, file_version);
}
} // namespace serialization
} // namespace boost

class MyDegrees
{
public:
    void setDeg(int d) {
        deg = d;
    }
    int getDeg()const {
        return deg;
    }
private:
    friend class boost::serialization::access;
    template<class Archive>
    void serialize(Archive & ar, const unsigned int version)
    //{ ar & deg; }
    {
        ar & boost::serialization::make_nvp("DEGS", deg);
    }
    int deg;
};
class gps_position
{
private:
    friend class boost::serialization::access;
    template<class Archive>
    void serialize(Archive & ar, const unsigned int version)
    //{ ar & degrees;  }
    {
        ar & boost::serialization::make_nvp("DEGS2", degrees);
        ar & boost::serialization::make_nvp("DEGMAP", deg_map);
    }
    std::unique_ptr<MyDegrees> degrees;
    std::vector<std::unique_ptr<MyDegrees> > deg_map;
public:
    gps_position(): degrees(std::unique_ptr<MyDegrees>(new MyDegrees)) {};
    void setDeg(int d) {
        degrees->setDeg(d);
    }
    int getDeg() const {
        return degrees->getDeg();
    }
};

int TestBasicSerialize(int, char *[])
{
    int numErr = 0;
    double a;
    std::ofstream ofs("filename");
    gps_position g;
    g.setDeg(45);
    std::cout<<g.getDeg()<<std::endl;
    {
        boost::archive::text_oarchive oa(ofs);
        oa << g;
    }
    //{ boost ::archive::xml_oarchive oa(ofs); oa << g;}
    gps_position newg;
    {
        std::ifstream ifs("filename");
        boost::archive::text_iarchive ia(ifs);
        ia >> newg;
        std::cout<<newg.getDeg()<<std::endl;
    }
    return numErr;

}