1 #ifndef BOOST_PREPROCESSOR_ENUM_PARAMS_WITH_DEFAULTS_HPP
2 #define BOOST_PREPROCESSOR_ENUM_PARAMS_WITH_DEFAULTS_HPP
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16 #include <boost/preprocessor/cat.hpp>
17 #include <boost/preprocessor/enum.hpp>
19 /** <p>Generates a comma separated list of parameters with defaults.</p>
21 <p>In other words, expands to the sequence:</p>
24 BOOST_PP_CAT(PARAM,0) = BOOST_PP_CAT(DEFAULT,0),
25 BOOST_PP_CAT(PARAM,1) = BOOST_PP_CAT(DEFAULT,1),
27 BOOST_PP_CAT(PARAM,BOOST_PP_DEC(COUNT)) = BOOST_PP_CAT(DEFAULT,BOOST_PP_DEC(COUNT))
33 BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS(3,x,y)
39 x0 = y0, x1 = y1, x2 = y2
44 <li>BOOST_PP_REPEAT()</li>
49 <li><a href="../../test/repeat_test.cpp">repeat_test.cpp</a></li>
52 #define BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS(COUNT,PARAM,DEFAULT) BOOST_PP_ENUM(COUNT,BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS_F,(PARAM,DEFAULT))
54 #define BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS_F(I,PD) BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(2,0,PD),I)=BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(2,1,PD),I)