#include <tuple>
#include <boost/icl/interval_set.hpp>

int main()
{
  typedef boost::icl::interval_set<int>    interval_type;
  typedef std::tuple<interval_type>        tuple_type;

  tuple_type x(interval_type(boost::icl::interval<int>::closed(0, 5)));
  tuple_type y(interval_type(boost::icl::interval<int>::closed(0, 5)));

  x.swap(y);
}