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1 | // tuple.hpp - Boost Tuple Library -------------------------------------- |
2 | ||
3 | // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) | |
4 | // | |
5 | // Distributed under the Boost Software License, Version 1.0. (See | |
6 | // accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
9 | // For more information, see http://www.boost.org | |
10 | ||
11 | // ----------------------------------------------------------------- | |
12 | ||
13 | #ifndef BOOST_TUPLE_HPP | |
14 | #define BOOST_TUPLE_HPP | |
15 | ||
16 | #if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730 | |
17 | // Work around a compiler bug. | |
18 | // boost::python::tuple has to be seen by the compiler before the | |
19 | // boost::tuple class template. | |
20 | namespace boost { namespace python { class tuple; }} | |
21 | #endif | |
22 | ||
23 | #include "boost/config.hpp" | |
24 | #include "boost/static_assert.hpp" | |
25 | ||
26 | // other compilers | |
27 | #include "boost/ref.hpp" | |
28 | #include "boost/tuple/detail/tuple_basic.hpp" | |
29 | ||
30 | ||
31 | namespace boost { | |
32 | ||
33 | using tuples::tuple; | |
34 | using tuples::make_tuple; | |
35 | using tuples::tie; | |
36 | #if !defined(BOOST_NO_USING_TEMPLATE) | |
37 | using tuples::get; | |
38 | #else | |
39 | // | |
40 | // The "using tuples::get" statement causes the | |
41 | // Borland compiler to ICE, use forwarding | |
42 | // functions instead: | |
43 | // | |
44 | template<int N, class HT, class TT> | |
45 | inline typename tuples::access_traits< | |
46 | typename tuples::element<N, tuples::cons<HT, TT> >::type | |
47 | >::non_const_type | |
48 | get(tuples::cons<HT, TT>& c) { | |
49 | return tuples::get<N,HT,TT>(c); | |
50 | } | |
51 | // get function for const cons-lists, returns a const reference to | |
52 | // the element. If the element is a reference, returns the reference | |
53 | // as such (that is, can return a non-const reference) | |
54 | template<int N, class HT, class TT> | |
55 | inline typename tuples::access_traits< | |
56 | typename tuples::element<N, tuples::cons<HT, TT> >::type | |
57 | >::const_type | |
58 | get(const tuples::cons<HT, TT>& c) { | |
59 | return tuples::get<N,HT,TT>(c); | |
60 | } | |
61 | ||
62 | #endif // BOOST_NO_USING_TEMPLATE | |
63 | ||
64 | } // end namespace boost | |
65 | ||
66 | ||
67 | #endif // BOOST_TUPLE_HPP |