1 

     2 #ifndef BOOST_MPL_CONTAINS_HPP_INCLUDED

     3 #define BOOST_MPL_CONTAINS_HPP_INCLUDED

     4 

     5 // Copyright Eric Friedman 2002

     6 // Copyright Aleksey Gurtovoy 2004

     7 //

     8 // Distributed under the Boost Software License, Version 1.0. 

     9 // (See accompanying file LICENSE_1_0.txt or copy at 

    10 // http://www.boost.org/LICENSE_1_0.txt)

    11 //

    12 // See http://www.boost.org/libs/mpl for documentation.

    13 

    14 // $Id: contains.hpp 49267 2008-10-11 06:19:02Z agurtovoy $

    15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $

    16 // $Revision: 49267 $

    17 

    18 #include <boost/mpl/contains_fwd.hpp>

    19 #include <boost/mpl/sequence_tag.hpp>

    20 #include <boost/mpl/aux_/contains_impl.hpp>

    21 #include <boost/mpl/aux_/na_spec.hpp>

    22 #include <boost/mpl/aux_/lambda_support.hpp>

    23 

    24 namespace boost { namespace mpl {

    25 

    26 template<

    27       typename BOOST_MPL_AUX_NA_PARAM(Sequence)

    28     , typename BOOST_MPL_AUX_NA_PARAM(T)

    29     >

    30 struct contains

    31     : contains_impl< typename sequence_tag<Sequence>::type >

    32         ::template apply< Sequence,T >

    33 {

    34     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,contains,(Sequence,T))

    35 };

    36 

    37 BOOST_MPL_AUX_NA_SPEC(2, contains)

    38 

    39 }}

    40 

    41 #endif // BOOST_MPL_CONTAINS_HPP_INCLUDED