blob: 445bbd0b6c4d8681c42f62914bb38e60ad7b0e39 (
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
47
48
49
50
51
52
53
|
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_VALUE_AT_IMPL_20061101_0745)
#define BOOST_FUSION_VALUE_AT_IMPL_20061101_0745
#include <boost/mpl/apply.hpp>
#include <boost/fusion/view/transform_view/detail/apply_transform_result.hpp>
#include <boost/fusion/sequence/intrinsic/value_at.hpp>
namespace boost { namespace fusion {
struct transform_view_tag;
struct transform_view2_tag;
namespace extension
{
template<typename Tag>
struct value_at_impl;
template<>
struct value_at_impl<transform_view_tag>
{
template<typename Seq, typename N>
struct apply
{
typedef typename Seq::transform_type F;
typedef detail::apply_transform_result<F> transform_type;
typedef typename boost::fusion::result_of::value_at<typename Seq::sequence_type, N>::type value_type;
typedef typename mpl::apply<transform_type, value_type>::type type;
};
};
template<>
struct value_at_impl<transform_view2_tag>
{
template<typename Seq, typename N>
struct apply
{
typedef typename Seq::transform_type F;
typedef detail::apply_transform_result<F> transform_type;
typedef typename boost::fusion::result_of::value_at<typename Seq::sequence1_type, N>::type value1_type;
typedef typename boost::fusion::result_of::value_at<typename Seq::sequence2_type, N>::type value2_type;
typedef typename mpl::apply<transform_type, value1_type, value2_type>::type type;
};
};
}
}}
#endif
|
Swift