source: NonGTP/Boost/boost/mpl/fold.hpp @ 857

Revision 857, 1.3 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2#ifndef BOOST_MPL_FOLD_HPP_INCLUDED
3#define BOOST_MPL_FOLD_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2001-2004
6// Copyright David Abrahams 2001-2002
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// $Source: /cvsroot/boost/boost/boost/mpl/fold.hpp,v $
15// $Date: 2004/09/02 15:40:41 $
16// $Revision: 1.4 $
17
18#include <boost/mpl/begin_end.hpp>
19#include <boost/mpl/O1_size.hpp>
20#include <boost/mpl/aux_/fold_impl.hpp>
21#include <boost/mpl/aux_/na_spec.hpp>
22#include <boost/mpl/aux_/lambda_support.hpp>
23
24namespace boost { namespace mpl {
25
26template<
27      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
28    , typename BOOST_MPL_AUX_NA_PARAM(State)
29    , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
30    >
31struct fold
32{
33    typedef typename aux::fold_impl<
34          ::boost::mpl::O1_size<Sequence>::value
35        , typename begin<Sequence>::type
36        , typename end<Sequence>::type
37        , State
38        , ForwardOp
39        >::state type;
40
41    BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp))
42};
43
44BOOST_MPL_AUX_NA_SPEC(3, fold)
45
46}}
47
48#endif // BOOST_MPL_FOLD_HPP_INCLUDED
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