boost/mpl/contains.hpp

0001
0002 #ifndef BOOST_MPL_CONTAINS_HPP_INCLUDED
0003 #define BOOST_MPL_CONTAINS_HPP_INCLUDED
0004
0005 // Copyright Eric Friedman 2002
0006 // Copyright Aleksey Gurtovoy 2004
0007 //
0008 // Distributed under the Boost Software License, Version 1.0.
0009 // (See accompanying file LICENSE_1_0.txt or copy at
0010 // http://www.boost.org/LICENSE_1_0.txt)
0011 //
0012 // See http://www.boost.org/libs/mpl for documentation.
0013
0014 // $Id$
0015 // $Date$
0016 // $Revision$
0017
0018 #include <boost/mpl/contains_fwd.hpp>
0019 #include <boost/mpl/sequence_tag.hpp>
0020 #include <boost/mpl/aux_/contains_impl.hpp>
0021 #include <boost/mpl/aux_/na_spec.hpp>
0022 #include <boost/mpl/aux_/lambda_support.hpp>
0023
0024 namespace boost { namespace mpl {
0025
0026 template<
0027       typename BOOST_MPL_AUX_NA_PARAM(Sequence)
0028     , typename BOOST_MPL_AUX_NA_PARAM(T)
0029     >
0030 struct contains
0031     : contains_impl< typename sequence_tag<Sequence>::type >
0032         ::template apply< Sequence,T >
0033 {
0034     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,contains,(Sequence,T))
0035 };
0036
0037 BOOST_MPL_AUX_NA_SPEC(2, contains)
0038
0039 }}
0040
0041 #endif // BOOST_MPL_CONTAINS_HPP_INCLUDED