#include <boost/move.hpp>
#include <boost/static_assert.hpp>

namespace movable_namespace {

   class movable
   {
      movable(movable&);
      movable& operator=(movable&);

      public:
      void swap(movable &)
      {  /*some code */ }

      movable()   {}
      ~movable()  {}

      #ifdef BOOST_HAS_RVALUE_REFS
      movable(movable &&r)
      {  this->swap(r);   } 
      #else
      movable(boost::rv<movable> r)
      {  this->swap(*r);   } 
      #endif

      //Declare the class as movable
      BOOST_ENABLE_MOVE_EMULATION(movable)

      BOOST_SWAP_BASED_MOVE_ASSIGN(movable)
   };

   movable get_movable()
   {  return movable(); }

}  //movable_namespace

int main()
{
   movable_namespace::movable m;
   movable_namespace::movable m2(boost::move(m));
   m = boost::move(m2);
   m = movable_namespace::get_movable();
   movable_namespace::movable m3(movable_namespace::get_movable());
   BOOST_STATIC_ASSERT((boost::is_movable<movable_namespace::movable>::value == true));

   return 0;
}