ceph/src/boost/libs/local_function/include/boost/local_function/aux_/preprocessor/traits/decl_sign_/validate.hpp

   1
   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