v1/cpp98/first_of.hpp

0001 #ifndef BOOST_METAPARSE_V1_CPP98_FIRST_OF_HPP
0002 #define BOOST_METAPARSE_V1_CPP98_FIRST_OF_HPP
0003
0004 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2009 - 2010.
0005 // Distributed under the Boost Software License, Version 1.0.
0006 //    (See accompanying file LICENSE_1_0.txt or copy at
0007 //          http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #include <boost/metaparse/v1/cpp98/nth_of_c.hpp>
0010
0011 namespace boost
0012 {
0013   namespace metaparse
0014   {
0015     namespace v1
0016     {
0017       template <
0018         BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
0019           BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE,
0020           class P,
0021           boost::mpl::na
0022         )
0023       >
0024       struct first_of :
0025         nth_of_c<
0026           0,
0027           BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE, P)
0028         >
0029       {};
0030     }
0031   }
0032 }
0033
0034 #endif
0035