text: 
  //  (C) Copyright Edward Diener 2015
  //  Use, modification and distribution are subject to the Boost Software License,
  //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  //  http://www.boost.org/LICENSE_1_0.txt).
  
  #include <boost/vmd/list/to_seq.hpp>
  #include <boost/vmd/is_empty.hpp>
  #include <boost/detail/lightweight_test.hpp>
  #include <boost/preprocessor/seq/elem.hpp>
  
  int main()
    {
    
  #if BOOST_PP_VARIADICS
  
    #define A_LIST (1,(2,(3,(4,BOOST_PP_NIL))))
    #define AN_EMPTY_LIST BOOST_PP_NIL
    
    BOOST_TEST_EQ(BOOST_PP_SEQ_ELEM(3,BOOST_VMD_LIST_TO_SEQ(A_LIST)),4);
    BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_VMD_LIST_TO_SEQ(AN_EMPTY_LIST)));
    
  #else
  
  BOOST_ERROR("No variadic macro support");
    
  #endif
  
    return boost::report_errors();
    
    }
  