#include <boost/preprocessor/seq/to_list.hpp>
BOOST_PP_SEQ_TO_LIST((x)(y)(z))
// expands to (x, (y, (z, BOOST_PP_NIL)))
Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at www.boost.org/LICENSE_1_0.txt)