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

From: Robert Ramey (ramey_at_[hidden])
Date: 2006-07-23 17:33:39

To me, your code looks ok.  I wonder if 
c:\yccheok\pcbvisionlib\FiducialPair.h(42):
includes the declarations for ImageRegion.  That's the onlything
I can think of.

Robert Ramey

Cheok Yan Cheng wrote:
> Hi, I am trying to perform serialization on a const
> member
>
> const ImageRegion* imageRegion;
>
> By refering to
> http://www.boost.org/libs/serialization/doc/serialization.html#const,
> I thought the following code would work.
>
>    friend class boost::serialization::access;
>    template<class Archive>
>    void serialize(Archive & ar, const unsigned int
> version)
>    {
>        ar & const_cast<ImageRegion *>(imageRegion);
>    }
>
> However, I still get the following error is VC++ 2003
>
> c:\yccheok\pcbvisionlib\FiducialPair.h(42): error
> C2679: binary '&' : no operator found which takes a
> right-hand operand of type 'ImageRegion *' (or there
> is no acceptable conversion)
>
>
> I had fully tested the ImageRegion class. Before this
> const member variable, it can be fully serialized with
> no problem.
>
> Any suggestion? Thank you!
>
> p/s
>
> By refering to the mailing list "(de)serializing
> vector<const A*>"
>
> http://groups.google.com/group/boost-list/browse_frm/thread/79dba906901d039f/38ac71e4da0c1b3d?lnk=gst&q=serialization+const+pointer&rnum=7#38ac71e4da0c1b3d,
> does it mean that boost is also not allow to
> (de)serialize map<const CLASS*, CLASS> directly? Must
> I iterate through the map elements one by one to
> serialize them manually?
>
>
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