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1 | // (C) Copyright John Maddock 2005. |
2 | // Use, modification and distribution are subject to the | |
3 | // Boost Software License, Version 1.0. (See accompanying file | |
4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | #ifndef BOOST_TR1_ARRAY_HPP_INCLUDED | |
7 | # define BOOST_TR1_ARRAY_HPP_INCLUDED | |
8 | # include <boost/tr1/detail/config.hpp> | |
9 | ||
10 | #ifdef BOOST_HAS_TR1_ARRAY | |
11 | ||
12 | # if defined(BOOST_HAS_INCLUDE_NEXT) && !defined(BOOST_TR1_DISABLE_INCLUDE_NEXT) | |
13 | # include_next BOOST_TR1_HEADER(array) | |
14 | # else | |
15 | # include <boost/tr1/detail/config_all.hpp> | |
16 | # include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(array)) | |
17 | # endif | |
18 | ||
19 | #else | |
20 | ||
21 | #include <boost/array.hpp> | |
22 | #include <boost/static_assert.hpp> | |
23 | #include <boost/type_traits/integral_constant.hpp> | |
24 | #include <boost/detail/workaround.hpp> | |
25 | ||
26 | namespace std{ namespace tr1{ | |
27 | ||
28 | using ::boost::array; | |
29 | ||
30 | #if !BOOST_WORKAROUND(__BORLANDC__, < 0x0582) | |
31 | // [6.1.3.2] Tuple creation functions | |
32 | using ::boost::swap; | |
33 | #endif | |
34 | ||
35 | #if !defined(BOOST_TR1_USE_OLD_TUPLE) | |
36 | }} namespace boost{ namespace fusion{ | |
37 | #endif | |
38 | ||
39 | // [6.2.2.5] Tuple interface to class template array | |
40 | template <class T> struct tuple_size; // forward declaration | |
41 | template <int I, class T> struct tuple_element; // forward declaration | |
42 | template <class T, size_t N> | |
43 | struct tuple_size< ::boost::array<T, N> > | |
44 | : public ::boost::integral_constant< ::std::size_t, N>{}; | |
45 | ||
46 | ||
47 | template <int I, class T, size_t N> | |
48 | struct tuple_element<I, ::boost::array<T, N> > | |
49 | { | |
50 | #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)) | |
51 | BOOST_STATIC_ASSERT(I < (int)N); | |
52 | BOOST_STATIC_ASSERT(I >= 0); | |
53 | #endif | |
54 | typedef T type; | |
55 | }; | |
56 | template <int I, class T, size_t N> | |
57 | T& get( ::boost::array<T, N>& a) | |
58 | { | |
59 | BOOST_STATIC_ASSERT(I < N); | |
60 | BOOST_STATIC_ASSERT(I >= 0); | |
61 | return a[I]; | |
62 | } | |
63 | ||
64 | template <int I, class T, size_t N> | |
65 | const T& get(const array<T, N>& a) | |
66 | { | |
67 | BOOST_STATIC_ASSERT(I < N); | |
68 | BOOST_STATIC_ASSERT(I >= 0); | |
69 | return a[I]; | |
70 | } | |
71 | ||
72 | #if !defined(BOOST_TR1_USE_OLD_TUPLE) | |
73 | }} namespace std{ namespace tr1{ | |
74 | ||
75 | using ::boost::fusion::tuple_size; | |
76 | using ::boost::fusion::tuple_element; | |
77 | using ::boost::fusion::get; | |
78 | ||
79 | #endif | |
80 | ||
81 | ||
82 | } } // namespaces | |
83 | ||
84 | #endif | |
85 | ||
86 | #endif |