49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
|
|
||
|
|
#ifndef BOOST_MPL_FOLD_HPP_INCLUDED
|
||
|
|
#define BOOST_MPL_FOLD_HPP_INCLUDED
|
||
|
|
|
||
|
|
// Copyright Aleksey Gurtovoy 2001-2004
|
||
|
|
// Copyright David Abrahams 2001-2002
|
||
|
|
//
|
||
|
|
// 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/begin_end.hpp>
|
||
|
|
#include <boost/mpl/O1_size.hpp>
|
||
|
|
#include <boost/mpl/aux_/fold_impl.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)
|
||
|
|
, typename BOOST_MPL_AUX_NA_PARAM(State)
|
||
|
|
, typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
|
||
|
|
>
|
||
|
|
struct fold
|
||
|
|
{
|
||
|
|
typedef typename aux::fold_impl<
|
||
|
|
::boost::mpl::O1_size<Sequence>::value
|
||
|
|
, typename begin<Sequence>::type
|
||
|
|
, typename end<Sequence>::type
|
||
|
|
, State
|
||
|
|
, ForwardOp
|
||
|
|
>::state type;
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp))
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_NA_SPEC(3, fold)
|
||
|
|
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif // BOOST_MPL_FOLD_HPP_INCLUDED
|