Re: [boost] Possible bug with mpl::joint_view working on two mpl::maps

From: Steven Watanabe (steven_at_[hidden])
Date: 2007-08-14 16:04:40

AMDG

Martin Apel <martin.apel <at> simpack.de> writes:

> I still had no luck getting this to work. It seems that the typedef for
> the joint map is OK (I had to change the insert to use a third
> parameter as follows:
> 
> typedef copy<
>    joint_view<Map1,Map2>,
>    inserter <map0<>, insert<_1, end<_1>::type, _2> >
> >::type JointMap;
> 
> otherwise it wouldn't compile).
> However as soon as I try to access the result using
> 
>    std::cout << at<JointMap, int_<2> >::type::value << "\n";
> 
> I got tons of compile errors, from at_impl.hpp like the following:
> <snip>

try

  typedef copy<
     joint_view<Map1,Map2>,
     inserter <map0<>, insert<_1, end<_1>, _2> >
  >::type JointMap;

In Christ,
Steven Watanabe