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2 | // Copyright (C) 2009-2012 Lorenzo Caminiti | |
3 | // Distributed under the Boost Software License, Version 1.0 | |
4 | // (see accompanying file LICENSE_1_0.txt or a copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | // Home at http://www.boost.org/libs/local_function | |
7 | ||
8 | #ifndef BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_HPP_ | |
9 | #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_HPP_ | |
10 | ||
11 | #include <boost/local_function/aux_/preprocessor/traits/decl_sign_/validate_/defaults.hpp> | |
12 | #include <boost/local_function/aux_/preprocessor/traits/decl_sign_/validate_/this.hpp> | |
13 | #include <boost/preprocessor/tuple/eat.hpp> | |
14 | ||
15 | // PRIVATE // | |
16 | ||
17 | #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_1_(sign, error) \ | |
18 | BOOST_PP_IIF(BOOST_PP_IS_EMPTY(error(/* expand empty */)), \ | |
19 | BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS \ | |
20 | , \ | |
21 | error BOOST_PP_TUPLE_EAT(1) \ | |
22 | )(sign) | |
23 | ||
24 | // PUBLIC // | |
25 | ||
26 | // Validate params before starting to parse it. | |
27 | #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE(sign) \ | |
28 | BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_1_(sign, \ | |
29 | BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_DEFAULTS(sign)) | |
30 | ||
31 | #endif // #include guard | |
32 |