[Boost-users] Re: mpl -> integral sequence wrappers -> wrapping enums ?

Martin Pasdzierny writes:

I'd like to use meta - vectors of integral constants defined as enums. But unfortunately the code below does not compile.

<code> #include <iostream> #include #include

enum MY_ENUM {X,Y}; // (*) typedef boost::mpl::vector_c my_vector_c; static const int size = boost::mpl::size::value;

int main(int argc, char** argv) { std::cout << "\nsize:" << size << "\n... bye" << std::endl; } </code>

After replacing line (*) with

typedef boost::mpl::vector_c my_vector_c;

the code compiles and runs fine, but this does not look type safe any more.

Any suggestions ?!

Martin, There is not much you can do on a user side to make it work, but we'll look into fixing this for the next release. Meanwhile, I'd suggest to go with 'vector_c' version you cite above. -- Aleksey Gurtovoy MetaCommunications Engineering