#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. // $Id: at.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ // $Revision: 49267 $ #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