ceph/src/boost/libs/metaparse/include/boost/metaparse/v1/first_of.hpp

   1 #ifndef BOOST_METAPARSE_V1_FIRST_OF_HPP
   2 #define BOOST_METAPARSE_V1_FIRST_OF_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2009 - 2010.
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/metaparse/v1/nth_of.hpp>
  10
  11 namespace boost
  12 {
  13   namespace metaparse
  14   {
  15     namespace v1
  16     {
  17       template <
  18         BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
  19           BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE,
  20           class P,
  21           boost::mpl::na
  22         )
  23       >
  24       struct first_of :
  25         nth_of_c<
  26           0,
  27           BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE, P)
  28         >
  29       {};
  30     }
  31   }
  32 }
  33
  34 #endif
  35