| 1 | |
|---|---|
| 2 | #ifndef BOOST_MPL_INDEX_OF_HPP_INCLUDED |
| 3 | #define BOOST_MPL_INDEX_OF_HPP_INCLUDED |
| 4 | |
| 5 | // Copyright Aleksey Gurtovoy 2003-2004 |
| 6 | // Copyright Eric Friedman 2003 |
| 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 | // $Id$ |
| 15 | // $Date$ |
| 16 | // $Revision$ |
| 17 | |
| 18 | #include <boost/mpl/index_if.hpp> |
| 19 | #include <boost/mpl/same_as.hpp> |
| 20 | #include <boost/mpl/aux_/na_spec.hpp> |
| 21 | #include <boost/mpl/aux_/lambda_support.hpp> |
| 22 | |
| 23 | namespace boost { namespace mpl { |
| 24 | |
| 25 | template< |
| 26 | typename BOOST_MPL_AUX_NA_PARAM(Sequence) |
| 27 | , typename BOOST_MPL_AUX_NA_PARAM(T) |
| 28 | > |
| 29 | struct index_of |
| 30 | : index_if< Sequence,same_as<T> > |
| 31 | { |
| 32 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2,index_of,(Sequence,T)) |
| 33 | }; |
| 34 | |
| 35 | BOOST_MPL_AUX_NA_SPEC(2, index_of) |
| 36 | |
| 37 | }} |
| 38 | |
| 39 | #endif // BOOST_MPL_INDEX_OF_HPP_INCLUDED |
| 40 |