| 1 | // tuple.hpp - Boost Tuple Library -------------------------------------- |
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| 2 | |
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| 3 | // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) |
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| 4 | // |
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| 5 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 6 | // accompanying file LICENSE_1_0.txt or copy at |
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| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | |
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| 9 | // For more information, see http://www.boost.org |
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| 10 | |
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| 11 | // ----------------------------------------------------------------- |
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| 12 | |
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| 13 | #ifndef BOOST_TUPLE_HPP |
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| 14 | #define BOOST_TUPLE_HPP |
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| 15 | |
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| 16 | #if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730 |
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| 17 | // Work around a compiler bug. |
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| 18 | // boost::python::tuple has to be seen by the compiler before the |
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| 19 | // boost::tuple class template. |
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| 20 | namespace boost { namespace python { class tuple; }} |
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| 21 | #endif |
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| 22 | |
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| 23 | #include "boost/config.hpp" |
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| 24 | #include "boost/static_assert.hpp" |
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| 25 | |
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| 26 | // other compilers |
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| 27 | #include "boost/ref.hpp" |
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| 28 | #include "boost/tuple/detail/tuple_basic.hpp" |
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| 29 | |
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| 30 | |
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| 31 | namespace boost { |
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| 32 | |
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| 33 | using tuples::tuple; |
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| 34 | using tuples::make_tuple; |
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| 35 | using tuples::tie; |
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| 36 | #if !defined(BOOST_NO_USING_TEMPLATE) |
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| 37 | using tuples::get; |
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| 38 | #else |
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| 39 | // |
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| 40 | // The "using tuples::get" statement causes the |
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| 41 | // Borland compiler to ICE, use forwarding |
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| 42 | // functions instead: |
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| 43 | // |
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| 44 | template<int N, class HT, class TT> |
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| 45 | inline typename tuples::access_traits< |
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| 46 | typename tuples::element<N, tuples::cons<HT, TT> >::type |
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| 47 | >::non_const_type |
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| 48 | get(tuples::cons<HT, TT>& c) { |
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| 49 | return tuples::get<N,HT,TT>(c); |
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| 50 | } |
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| 51 | // get function for const cons-lists, returns a const reference to |
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| 52 | // the element. If the element is a reference, returns the reference |
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| 53 | // as such (that is, can return a non-const reference) |
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| 54 | template<int N, class HT, class TT> |
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| 55 | inline typename tuples::access_traits< |
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| 56 | typename tuples::element<N, tuples::cons<HT, TT> >::type |
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| 57 | >::const_type |
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| 58 | get(const tuples::cons<HT, TT>& c) { |
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| 59 | return tuples::get<N,HT,TT>(c); |
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| 60 | } |
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| 61 | |
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| 62 | #endif // BOOST_NO_USING_TEMPLATE |
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| 63 | |
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| 64 | } // end namespace boost |
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| 65 | |
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| 66 | |
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| 67 | #endif // BOOST_TUPLE_HPP |
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| 68 | |
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