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- // Copyright (C) 2009-2012 Lorenzo Caminiti
- // Distributed under the Boost Software License, Version 1.0
- // (see accompanying file LICENSE_1_0.txt or a copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- // Home at http://www.boost.org/libs/local_function
- #ifndef BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_HPP_
- #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_HPP_
- #include <boost/local_function/aux_/preprocessor/traits/decl_sign_/validate_/defaults.hpp>
- #include <boost/local_function/aux_/preprocessor/traits/decl_sign_/validate_/this.hpp>
- #include <boost/preprocessor/tuple/eat.hpp>
- // PRIVATE //
- #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_1_(sign, error) \
- BOOST_PP_IIF(BOOST_PP_IS_EMPTY(error(/* expand empty */)), \
- BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS \
- , \
- error BOOST_PP_TUPLE_EAT(1) \
- )(sign)
- // PUBLIC //
- // Validate params before starting to parse it.
- #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE(sign) \
- BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_1_(sign, \
- BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_DEFAULTS(sign))
- #endif // #include guard
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