Problem with mpl::joint_view working on two mpl::maps
Hi *, I have two mpl maps like this: typedef map<pair<int_<1>, int_<42> >, pair<int_<2>, int_<43> >, pair<int_<3>, int_<44> >
Map1;
typedef map<pair<int_<4>, int_<44> >, pair<int_<5>, int_<45> >, pair<int_<6>, int_<46> >
Map2;
I try to join them using "joint_view" as follows: typedef joint_view<Map1, Map2>::type JointMap; which works fine. Then I do std::cout << at<JointMap, int_<2> >::type::value << "\n"; which gives the following compiler error: error: 'value' is not a member of 'boost::mpl::pair<mpl_::int_<3>, mpl_::int_<44> >' I tried this with gcc 3.4.6 and 4.2 under Linux, Boost version is 1.34.0. It seems "at" returns the entry after the searched entry, and not only the right half, but the complete pair. Has anybody got any hints on this? To me it looks like a bug in MPL, but I might be wrong. Best Regards, Martin ____________ Virus checked: AVKB 17.327 from 06.08.2007
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Martin Apel