array.cpp

C++的一个好库。。。现在很流行

# /* **************************************************************************
#  *                                                                          *
#  *     (C) Copyright Paul Mensonides 2002.
#  *     Distributed under 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)
#  *                                                                          *
#  ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
# include <boost/preprocessor/array.hpp>
# include <libs/preprocessor/test/test.h>

# define ARRAY (3, (0, 1, 2))

// element access

BEGIN BOOST_PP_ARRAY_ELEM(1, ARRAY) == 1 END
BEGIN BOOST_PP_ARRAY_ELEM(2, (5, (0, 1, 2, 3, 4))) == 2 END

// size

BEGIN BOOST_PP_ARRAY_SIZE(ARRAY) == 3 END
BEGIN BOOST_PP_ARRAY_SIZE((5, (0, 1, 2, 3, 4))) == 5 END