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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_TUPLE_HPP_INCLUDED |
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7 # define BOOST_TR1_TUPLE_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_TUPLE |
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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(tuple) |
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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(tuple)) |
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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 #if defined(BOOST_TR1_USE_OLD_TUPLE) |
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22 |
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23 #include <boost/tuple/tuple.hpp> |
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24 #include <boost/tuple/tuple_comparison.hpp> |
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25 #include <boost/type_traits/integral_constant.hpp> |
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26 |
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27 namespace std{ namespace tr1{ |
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28 |
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29 using ::boost::tuple; |
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30 |
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31 // [6.1.3.2] Tuple creation functions |
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32 using ::boost::tuples::ignore; |
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33 using ::boost::make_tuple; |
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34 using ::boost::tie; |
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35 |
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36 // [6.1.3.3] Tuple helper classes |
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37 template <class T> |
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38 struct tuple_size |
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39 : public ::boost::integral_constant |
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40 < ::std::size_t, ::boost::tuples::length<T>::value> |
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41 {}; |
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42 |
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43 template < int I, class T> |
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44 struct tuple_element |
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45 { |
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46 typedef typename boost::tuples::element<I,T>::type type; |
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47 }; |
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48 |
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49 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x0582) |
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50 // [6.1.3.4] Element access |
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51 using ::boost::get; |
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52 #endif |
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53 |
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54 } } // namespaces |
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55 |
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56 #else |
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57 |
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58 #include <boost/fusion/include/tuple.hpp> |
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59 #include <boost/fusion/include/std_pair.hpp> |
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60 |
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61 namespace std{ namespace tr1{ |
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62 |
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63 using ::boost::fusion::tuple; |
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64 |
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65 // [6.1.3.2] Tuple creation functions |
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66 using ::boost::fusion::ignore; |
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67 using ::boost::fusion::make_tuple; |
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68 using ::boost::fusion::tie; |
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69 using ::boost::fusion::get; |
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70 |
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71 // [6.1.3.3] Tuple helper classes |
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72 using ::boost::fusion::tuple_size; |
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73 using ::boost::fusion::tuple_element; |
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74 |
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75 }} |
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76 |
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77 #endif |
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78 |
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79 #endif |
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80 |
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81 #endif |
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82 |