fold_right.hpp

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. */
#
# ifndef BOOST_PREPROCESSOR_SEQ_FOLD_RIGHT_HPP
# define BOOST_PREPROCESSOR_SEQ_FOLD_RIGHT_HPP
#
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/detail/auto_rec.hpp>
# include <boost/preprocessor/seq/fold_left.hpp>
# include <boost/preprocessor/seq/reverse.hpp>
# include <boost/preprocessor/seq/seq.hpp>
#
# /* BOOST_PP_SEQ_FOLD_RIGHT */
#
# if 0
#    define BOOST_PP_SEQ_FOLD_RIGHT(op, state, seq) ...
# endif
#
# define BOOST_PP_SEQ_FOLD_RIGHT BOOST_PP_CAT(BOOST_PP_SEQ_FOLD_RIGHT_, BOOST_PP_AUTO_REC(BOOST_PP_SEQ_FOLD_LEFT_P, 256))
#
# define BOOST_PP_SEQ_FOLD_RIGHT_257(op, st, ss) BOOST_PP_ERROR(0x0005)
#
# define BOOST_PP_SEQ_FOLD_RIGHT_1(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_1(op, st, BOOST_PP_SEQ_REVERSE_S(2, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_2(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_2(op, st, BOOST_PP_SEQ_REVERSE_S(3, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_3(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_3(op, st, BOOST_PP_SEQ_REVERSE_S(4, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_4(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_4(op, st, BOOST_PP_SEQ_REVERSE_S(5, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_5(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_5(op, st, BOOST_PP_SEQ_REVERSE_S(6, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_6(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_6(op, st, BOOST_PP_SEQ_REVERSE_S(7, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_7(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_7(op, st, BOOST_PP_SEQ_REVERSE_S(8, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_8(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_8(op, st, BOOST_PP_SEQ_REVERSE_S(9, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_9(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_9(op, st, BOOST_PP_SEQ_REVERSE_S(10, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_10(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_10(op, st, BOOST_PP_SEQ_REVERSE_S(11, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_11(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_11(op, st, BOOST_PP_SEQ_REVERSE_S(12, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_12(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_12(op, st, BOOST_PP_SEQ_REVERSE_S(13, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_13(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_13(op, st, BOOST_PP_SEQ_REVERSE_S(14, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_14(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_14(op, st, BOOST_PP_SEQ_REVERSE_S(15, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_15(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_15(op, st, BOOST_PP_SEQ_REVERSE_S(16, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_16(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_16(op, st, BOOST_PP_SEQ_REVERSE_S(17, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_17(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_17(op, st, BOOST_PP_SEQ_REVERSE_S(18, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_18(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_18(op, st, BOOST_PP_SEQ_REVERSE_S(19, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_19(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_19(op, st, BOOST_PP_SEQ_REVERSE_S(20, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_20(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_20(op, st, BOOST_PP_SEQ_REVERSE_S(21, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_21(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_21(op, st, BOOST_PP_SEQ_REVERSE_S(22, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_22(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_22(op, st, BOOST_PP_SEQ_REVERSE_S(23, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_23(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_23(op, st, BOOST_PP_SEQ_REVERSE_S(24, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_24(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_24(op, st, BOOST_PP_SEQ_REVERSE_S(25, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_25(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_25(op, st, BOOST_PP_SEQ_REVERSE_S(26, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_26(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_26(op, st, BOOST_PP_SEQ_REVERSE_S(27, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_27(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_27(op, st, BOOST_PP_SEQ_REVERSE_S(28, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_28(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_28(op, st, BOOST_PP_SEQ_REVERSE_S(29, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_29(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_29(op, st, BOOST_PP_SEQ_REVERSE_S(30, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_30(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_30(op, st, BOOST_PP_SEQ_REVERSE_S(31, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_31(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_31(op, st, BOOST_PP_SEQ_REVERSE_S(32, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_32(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_32(op, st, BOOST_PP_SEQ_REVERSE_S(33, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_33(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_33(op, st, BOOST_PP_SEQ_REVERSE_S(34, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_34(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_34(op, st, BOOST_PP_SEQ_REVERSE_S(35, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_35(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_35(op, st, BOOST_PP_SEQ_REVERSE_S(36, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_36(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_36(op, st, BOOST_PP_SEQ_REVERSE_S(37, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_37(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_37(op, st, BOOST_PP_SEQ_REVERSE_S(38, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_38(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_38(op, st, BOOST_PP_SEQ_REVERSE_S(39, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_39(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_39(op, st, BOOST_PP_SEQ_REVERSE_S(40, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_40(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_40(op, st, BOOST_PP_SEQ_REVERSE_S(41, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_41(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_41(op, st, BOOST_PP_SEQ_REVERSE_S(42, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_42(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_42(op, st, BOOST_PP_SEQ_REVERSE_S(43, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_43(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_43(op, st, BOOST_PP_SEQ_REVERSE_S(44, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_44(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_44(op, st, BOOST_PP_SEQ_REVERSE_S(45, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_45(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_45(op, st, BOOST_PP_SEQ_REVERSE_S(46, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_46(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_46(op, st, BOOST_PP_SEQ_REVERSE_S(47, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_47(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_47(op, st, BOOST_PP_SEQ_REVERSE_S(48, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_48(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_48(op, st, BOOST_PP_SEQ_REVERSE_S(49, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_49(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_49(op, st, BOOST_PP_SEQ_REVERSE_S(50, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_50(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_50(op, st, BOOST_PP_SEQ_REVERSE_S(51, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_51(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_51(op, st, BOOST_PP_SEQ_REVERSE_S(52, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_52(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_52(op, st, BOOST_PP_SEQ_REVERSE_S(53, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_53(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_53(op, st, BOOST_PP_SEQ_REVERSE_S(54, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_54(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_54(op, st, BOOST_PP_SEQ_REVERSE_S(55, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_55(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_55(op, st, BOOST_PP_SEQ_REVERSE_S(56, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_56(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_56(op, st, BOOST_PP_SEQ_REVERSE_S(57, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_57(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_57(op, st, BOOST_PP_SEQ_REVERSE_S(58, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_58(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_58(op, st, BOOST_PP_SEQ_REVERSE_S(59, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_59(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_59(op, st, BOOST_PP_SEQ_REVERSE_S(60, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_60(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_60(op, st, BOOST_PP_SEQ_REVERSE_S(61, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_61(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_61(op, st, BOOST_PP_SEQ_REVERSE_S(62, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_62(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_62(op, st, BOOST_PP_SEQ_REVERSE_S(63, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_63(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_63(op, st, BOOST_PP_SEQ_REVERSE_S(64, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_64(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_64(op, st, BOOST_PP_SEQ_REVERSE_S(65, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_65(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_65(op, st, BOOST_PP_SEQ_REVERSE_S(66, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_66(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_66(op, st, BOOST_PP_SEQ_REVERSE_S(67, ss), BOOST_PP_SEQ_SIZE(ss))
# define BOOST_PP_SEQ_FOLD_RIGHT_67(op, st, ss) BOOST_PP_SEQ_FOLD_LEFT_I_67(op, st, BOOST_PP_SEQ_REVERSE_S(68, ss), BOOST_PP_SEQ_SIZE(ss))