struct template_arity_impl
{
BOOST_STATIC_CONSTANT(int, value =
sizeof(arity_helper(type_wrapper<F>(), arity_tag<N>())) - 1
sizeof(::boost::mpl::aux::arity_helper(type_wrapper<F>(), arity_tag<N>())) - 1
);
};
sizeof(arity_helper(type_wrapper<F>(),arity_tag<N>())) - 1
sizeof(::boost::mpl::aux::arity_helper(type_wrapper<F>(),arity_tag<N>())) - 1