File: empty_sequence.hpp

package info (click to toggle)
spades 4.0.0%2Breally3.15.5%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 97,208 kB
  • sloc: cpp: 850,751; ansic: 156,813; python: 23,134; perl: 4,547; sh: 2,349; makefile: 1,273; java: 890; pascal: 875; xml: 19
file content (43 lines) | stat: -rw-r--r-- 921 bytes parent folder | download | duplicates (30)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

#ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED
#define BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2004
// Copyright Alexander Nasonov 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/size_fwd.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/iterator_tags.hpp>

namespace boost { namespace mpl {

struct empty_sequence
{
    struct tag;
    typedef empty_sequence type;
    struct begin { typedef random_access_iterator_tag category; };    
    typedef begin end;
};

template<>
struct size_impl<empty_sequence::tag>
{
    template< typename Sequence > struct apply
        : int_<0>
    {
    };
};

}}

#endif // #ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED