sl@0: //  tuple.hpp - Boost Tuple Library --------------------------------------
sl@0: 
sl@0: // Copyright (C) 1999, 2000 Jaakko Järvi (jaakko.jarvi@cs.utu.fi)
sl@0: //
sl@0: // Distributed under the Boost Software License, Version 1.0. (See
sl@0: // accompanying file LICENSE_1_0.txt or copy at
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: 
sl@0: // For more information, see http://www.boost.org
sl@0: 
sl@0: // ----------------------------------------------------------------- 
sl@0: 
sl@0: #ifndef BOOST_TUPLE_HPP
sl@0: #define BOOST_TUPLE_HPP
sl@0: 
sl@0: #if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730
sl@0: // Work around a compiler bug.
sl@0: // boost::python::tuple has to be seen by the compiler before the
sl@0: // boost::tuple class template.
sl@0: namespace boost { namespace python { class tuple; }}
sl@0: #endif
sl@0: 
sl@0: #include "boost/config.hpp"
sl@0: #include "boost/static_assert.hpp"
sl@0: 
sl@0: #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
sl@0: // The MSVC version
sl@0: #include "boost/tuple/detail/tuple_basic_no_partial_spec.hpp"
sl@0: 
sl@0: #else
sl@0: // other compilers
sl@0: #include "boost/ref.hpp"
sl@0: #include "boost/tuple/detail/tuple_basic.hpp"
sl@0: 
sl@0: #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
sl@0: 
sl@0: namespace boost {    
sl@0: 
sl@0: using tuples::tuple;
sl@0: using tuples::make_tuple;
sl@0: using tuples::tie;
sl@0: #if !defined(BOOST_NO_USING_TEMPLATE)
sl@0: using tuples::get;
sl@0: #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
sl@0: //
sl@0: // The "using tuples::get" statement causes the
sl@0: // Borland compiler to ICE, use forwarding
sl@0: // functions instead:
sl@0: //
sl@0: template<int N, class HT, class TT>
sl@0: inline typename tuples::access_traits<
sl@0:                   typename tuples::element<N, tuples::cons<HT, TT> >::type
sl@0:                 >::non_const_type
sl@0: get(tuples::cons<HT, TT>& c) {
sl@0:   return tuples::get<N,HT,TT>(c);
sl@0: } 
sl@0: // get function for const cons-lists, returns a const reference to
sl@0: // the element. If the element is a reference, returns the reference
sl@0: // as such (that is, can return a non-const reference)
sl@0: template<int N, class HT, class TT>
sl@0: inline typename tuples::access_traits<
sl@0:                   typename tuples::element<N, tuples::cons<HT, TT> >::type
sl@0:                 >::const_type
sl@0: get(const tuples::cons<HT, TT>& c) {
sl@0:   return tuples::get<N,HT,TT>(c);
sl@0: }
sl@0: #else  // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
sl@0: //
sl@0: // MSVC, using declarations don't mix with templates well,
sl@0: // so use forwarding functions instead:
sl@0: //
sl@0: template<int N, typename Head, typename Tail>
sl@0: typename tuples::detail::element_ref<N, tuples::cons<Head, Tail> >::RET
sl@0: get(tuples::cons<Head, Tail>& t, tuples::detail::workaround_holder<N>* = 0)
sl@0: {
sl@0:    return tuples::detail::get_class<N>::get(t);
sl@0: }
sl@0: 
sl@0: template<int N, typename Head, typename Tail>
sl@0: typename tuples::detail::element_const_ref<N, tuples::cons<Head, Tail> >::RET
sl@0: get(const tuples::cons<Head, Tail>& t, tuples::detail::workaround_holder<N>* = 0)
sl@0: {
sl@0:    return tuples::detail::get_class<N>::get(t);
sl@0: }
sl@0: #endif // BOOST_NO_USING_TEMPLATE
sl@0:    
sl@0: } // end namespace boost
sl@0: 
sl@0: 
sl@0: #endif // BOOST_TUPLE_HPP