1
2#ifndef BOOST_MPL_FILTER_VIEW_HPP_INCLUDED
3#define BOOST_MPL_FILTER_VIEW_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id$
14// $Date$
15// $Revision$
16
17#include <boost/mpl/begin_end.hpp>
18#include <boost/mpl/lambda.hpp>
19#include <boost/mpl/aux_/filter_iter.hpp>
20#include <boost/mpl/aux_/na_spec.hpp>
21
22namespace boost { namespace mpl {
23
24template<
25 typename BOOST_MPL_AUX_NA_PARAM(Sequence)
26 , typename BOOST_MPL_AUX_NA_PARAM(Predicate)
27 >
28struct filter_view
29{
30 private:
31 typedef typename lambda<Predicate>::type pred_;
32 typedef typename begin<Sequence>::type first_;
33 typedef typename end<Sequence>::type last_;
34
35 public:
36 struct tag;
37 typedef filter_view type;
38 typedef typename aux::next_filter_iter< first_,last_,pred_ >::type begin;
39 typedef aux::filter_iter< last_,last_,pred_ > end;
40};
41
42BOOST_MPL_AUX_NA_SPEC(2, filter_view)
43
44}}
45
46#endif // BOOST_MPL_FILTER_VIEW_HPP_INCLUDED
47

source code of boost/boost/mpl/filter_view.hpp