blob: a036300f7701378e54f48b678383a2797ca4f959 (
plain)
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
44
45
46
|
/*=============================================================================
Copyright (c) 2009 Hartmut Kaiser
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)
==============================================================================*/
#if !defined(BOOST_FUSION_NVIEW_DISTANCE_IMPL_SEP_23_2009_0328PM)
#define BOOST_FUSION_NVIEW_DISTANCE_IMPL_SEP_23_2009_0328PM
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/iterator/distance.hpp>
namespace boost { namespace fusion
{
struct nview_iterator_tag;
namespace extension
{
template<typename Tag>
struct distance_impl;
template<>
struct distance_impl<nview_iterator_tag>
{
template<typename First, typename Last>
struct apply
: result_of::distance<typename First::first_type, typename Last::first_type>
{
typedef typename result_of::distance<
typename First::first_type, typename Last::first_type
>::type type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
call(First const& /*first*/, Last const& /*last*/)
{
return type();
}
};
};
}
}}
#endif
|
