boost/mpl/at.hpp
#ifndef BOOST_MPL_AT_HPP_INCLUDED
#define BOOST_MPL_AT_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Source$
// $Date: 2004-09-03 21:33:47 -0400 (Fri, 03 Sep 2004) $
// $Revision: 24897 $
#include <boost/mpl/at_fwd.hpp>
#include <boost/mpl/aux_/at_impl.hpp>
#include <boost/mpl/long.hpp>
#include <boost/mpl/sequence_tag.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
#include <boost/mpl/aux_/nttp_decl.hpp>
namespace boost { namespace mpl {
template<
typename BOOST_MPL_AUX_NA_PARAM(Sequence)
, typename BOOST_MPL_AUX_NA_PARAM(N)
>
struct at
: at_impl< typename sequence_tag<Sequence>::type >
::template apply< Sequence,N >
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(2,at,(Sequence,N))
};
template<
typename Sequence
, BOOST_MPL_AUX_NTTP_DECL(long, N)
>
struct at_c
: at_impl< typename sequence_tag<Sequence>::type >
::template apply< Sequence,mpl::long_<N> >
{
};
BOOST_MPL_AUX_NA_SPEC(2, at)
}}
#endif // BOOST_MPL_AT_HPP_INCLUDED