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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
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// tuple.hpp - Boost Tuple Library --------------------------------------
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// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// For more information, see http://www.boost.org
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// -----------------------------------------------------------------
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#ifndef BOOST_TUPLE_HPP
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#define BOOST_TUPLE_HPP
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#if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730
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// Work around a compiler bug.
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// boost::python::tuple has to be seen by the compiler before the
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// boost::tuple class template.
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namespace boost { namespace python { class tuple; }}
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#endif
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#include "boost/config.hpp"
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#include "boost/static_assert.hpp"
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// other compilers
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#include "boost/ref.hpp"
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#include "boost/tuple/detail/tuple_basic.hpp"
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namespace boost {
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using tuples::tuple;
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using tuples::make_tuple;
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using tuples::tie;
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#if !defined(BOOST_NO_USING_TEMPLATE)
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using tuples::get;
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#else
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//
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// The "using tuples::get" statement causes the
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// Borland compiler to ICE, use forwarding
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// functions instead:
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//
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template<int N, class HT, class TT>
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inline typename tuples::access_traits<
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typename tuples::element<N, tuples::cons<HT, TT> >::type
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>::non_const_type
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get(tuples::cons<HT, TT>& c) {
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return tuples::get<N,HT,TT>(c);
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}
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// get function for const cons-lists, returns a const reference to
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// the element. If the element is a reference, returns the reference
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// as such (that is, can return a non-const reference)
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template<int N, class HT, class TT>
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inline typename tuples::access_traits<
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typename tuples::element<N, tuples::cons<HT, TT> >::type
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>::const_type
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get(const tuples::cons<HT, TT>& c) {
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return tuples::get<N,HT,TT>(c);
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}
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#endif // BOOST_NO_USING_TEMPLATE
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} // end namespace boost
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#endif // BOOST_TUPLE_HPP
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