Re: [Boost-users] serialization on const member and map<constCLASS*, CLASS>

From: Robert Ramey (ramey_at_[hidden])
Date: 2006-07-23 23:33:44

> Here is the full source code. Any suggestion? Thank
> you very much!

Try the change below:

Robert Ramey

>
> #include <iostream>
> #include <sstream>
> #include <fstream>
>
> using namespace std;
>
> #include <boost/archive/text_oarchive.hpp>
> #include <boost/archive/text_iarchive.hpp>
>
> class dd
> {
> private:
>    friend class boost::serialization::access;
>    template<class Archive>
>    void serialize(Archive & ar, const unsigned int
> version)
>    {
>        ar & i;
>    }
>
>    int i;
> };
>
> class dummy
> {
> public:
>    dummy() : d(0){}
>    ~dummy(){}
>
> private:
>    friend class boost::serialization::access;
>    template<class Archive>
>    void serialize(Archive & ar, const unsigned int
> version)
>    {
//***  replace this:
>        //ar & const_cast<dd *>(d);
//*** with this
        //ar & const_cast<dd * &>(d);
>    }
>
>    const dd *d;
> };
>
> int main()
> {
>    const dummy w;
>    dummy r;
>
>    // make an archive
>    std::ofstream ofs("dummy");
>    boost::archive::text_oarchive oa(ofs);
>
>    oa << w;
>
>    std::ifstream ifs("dummy");
>    boost::archive::text_iarchive ia(ifs);
>
>    ia >> r;
> }
>
>
> c:\Documents and
> Settings\yccheok\Desktop\xxx\main.cpp(34): error
> C2679: binary '&' : no operator found which takes a
> right-hand operand of type 'dd *' (or there is no
> acceptable conversion)
>
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