40 lines
949 B
C++
40 lines
949 B
C++
|
|
#ifndef BOOST_MPL_FRONT_HPP_INCLUDED
|
|
#define BOOST_MPL_FRONT_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.
|
|
|
|
// $Id$
|
|
// $Date$
|
|
// $Revision$
|
|
|
|
#include <boost/mpl/front_fwd.hpp>
|
|
#include <boost/mpl/aux_/front_impl.hpp>
|
|
#include <boost/mpl/sequence_tag.hpp>
|
|
#include <boost/mpl/aux_/na_spec.hpp>
|
|
#include <boost/mpl/aux_/lambda_support.hpp>
|
|
|
|
namespace boost { namespace mpl {
|
|
|
|
template<
|
|
typename BOOST_MPL_AUX_NA_PARAM(Sequence)
|
|
>
|
|
struct front
|
|
: front_impl< typename sequence_tag<Sequence>::type >
|
|
::template apply< Sequence >
|
|
{
|
|
BOOST_MPL_AUX_LAMBDA_SUPPORT(1,front,(Sequence))
|
|
};
|
|
|
|
BOOST_MPL_AUX_NA_SPEC(1, front)
|
|
|
|
}}
|
|
|
|
#endif // BOOST_MPL_FRONT_HPP_INCLUDED
|