blob: 145bb629bb14efd11a711deaa92124cb4cc80a39 (
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
|
/*=============================================================================
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_VALUE_AT_IMPL_SEP_24_2009_0234PM)
#define BOOST_FUSION_NVIEW_VALUE_AT_IMPL_SEP_24_2009_0234PM
#include <boost/fusion/sequence/intrinsic/value_at.hpp>
namespace boost { namespace fusion
{
struct nview_tag;
namespace extension
{
template<typename Tag>
struct value_at_impl;
template<>
struct value_at_impl<nview_tag>
{
template<typename Sequence, typename N>
struct apply
{
typedef typename Sequence::sequence_type sequence_type;
typedef typename Sequence::index_type index_type;
typedef typename result_of::at<index_type, N>::type index;
typedef typename result_of::at<sequence_type, index>::type type;
};
};
}
}}
#endif
|