You could cast away the "const" with const_cast<int &>(a). Robert Ramey "Ray Zhang" <RayZhang06@hotmail.com> wrote in message news:BLU117-DS2FC09ABD4883016A6AC59D9B40@phx.gbl... Hi, I got a problem when i use boost:: serialization lib --- whether a const data member could be serialized? For example, class A { const int a; } how can i serialize 'a' by using boost? Best Regards. Ray Zhang. Tsinghua Univ. P.R.China ------------------------------------------------------------------------------ _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users