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1 // (C) Copyright John Maddock 2005. |
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2 // Use, modification and distribution are subject to the |
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3 // Boost Software License, Version 1.0. (See accompanying file |
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4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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5 |
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6 #ifndef BOOST_TR1_ARRAY_HPP_INCLUDED |
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7 # define BOOST_TR1_ARRAY_HPP_INCLUDED |
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8 # include <boost/tr1/detail/config.hpp> |
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9 |
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10 #ifdef BOOST_HAS_TR1_ARRAY |
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11 |
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12 # ifdef BOOST_HAS_INCLUDE_NEXT |
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13 # include_next BOOST_TR1_HEADER(array) |
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14 # else |
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15 # include <boost/tr1/detail/config_all.hpp> |
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16 # include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(array)) |
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17 # endif |
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18 |
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19 #else |
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20 |
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21 #include <boost/array.hpp> |
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22 #include <boost/static_assert.hpp> |
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23 #include <boost/type_traits/integral_constant.hpp> |
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24 #include <boost/detail/workaround.hpp> |
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25 |
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26 namespace std{ namespace tr1{ |
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27 |
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28 using ::boost::array; |
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29 |
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30 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x0582) |
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31 // [6.1.3.2] Tuple creation functions |
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32 using ::boost::swap; |
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33 #endif |
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34 |
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35 #if !defined(BOOST_TR1_USE_OLD_TUPLE) |
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36 }} namespace boost{ namespace fusion{ |
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37 #endif |
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38 |
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39 // [6.2.2.5] Tuple interface to class template array |
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40 template <class T> struct tuple_size; // forward declaration |
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41 template <int I, class T> struct tuple_element; // forward declaration |
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42 #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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43 template <class T, size_t N> |
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44 struct tuple_size< ::boost::array<T, N> > |
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45 : public ::boost::integral_constant< ::std::size_t, N>{}; |
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46 |
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47 |
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48 template <int I, class T, size_t N> |
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49 struct tuple_element<I, ::boost::array<T, N> > |
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50 { |
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51 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)) |
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52 BOOST_STATIC_ASSERT(I < (int)N); |
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53 BOOST_STATIC_ASSERT(I >= 0); |
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54 #endif |
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55 typedef T type; |
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56 }; |
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57 #endif |
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58 template <int I, class T, size_t N> |
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59 T& get( ::boost::array<T, N>& a) |
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60 { |
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61 BOOST_STATIC_ASSERT(I < N); |
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62 BOOST_STATIC_ASSERT(I >= 0); |
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63 return a[I]; |
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64 } |
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65 |
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66 template <int I, class T, size_t N> |
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67 const T& get(const array<T, N>& a) |
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68 { |
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69 BOOST_STATIC_ASSERT(I < N); |
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70 BOOST_STATIC_ASSERT(I >= 0); |
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71 return a[I]; |
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72 } |
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73 |
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74 #if !defined(BOOST_TR1_USE_OLD_TUPLE) |
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75 }} namespace std{ namespace tr1{ |
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76 |
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77 using ::boost::fusion::tuple_size; |
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78 using ::boost::fusion::tuple_element; |
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79 using ::boost::fusion::get; |
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80 |
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81 #endif |
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82 |
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83 |
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84 } } // namespaces |
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85 |
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86 #endif |
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87 |
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88 #endif |