CPPTM Answers - Exercise 3-2

 #include <boost/static_assert.hpp>
 #include <boost/mpl/equal.hpp>
 #include <boost/mpl/vector_c.hpp>
 #include <boost/mpl/transform.hpp>
 #include <boost/mpl/multiplies.hpp>
 #include <boost/mpl/placeholders.hpp>

 int main()
 {
     namespace mpl = boost::mpl;
     using namespace mpl::placeholders;

     typedef mpl::vector_c<int, 1, 2, 3> v1;
     typedef mpl::transform<v1, mpl::multiplies<_1, _1> >::type v2;
     typedef mpl::vector_c<int, 1, 4, 9> expected;

     BOOST_STATIC_ASSERT((mpl::equal<expected, v2>::type::value));

     return 0;
 }