Chris@16: //  tuple.hpp - Boost Tuple Library --------------------------------------
Chris@16: 
Chris@16: // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: // For more information, see http://www.boost.org
Chris@16: 
Chris@16: // ----------------------------------------------------------------- 
Chris@16: 
Chris@16: #ifndef BOOST_TUPLE_HPP
Chris@16: #define BOOST_TUPLE_HPP
Chris@16: 
Chris@16: #if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730
Chris@16: // Work around a compiler bug.
Chris@16: // boost::python::tuple has to be seen by the compiler before the
Chris@16: // boost::tuple class template.
Chris@16: namespace boost { namespace python { class tuple; }}
Chris@16: #endif
Chris@16: 
Chris@16: #include "boost/config.hpp"
Chris@16: #include "boost/static_assert.hpp"
Chris@16: 
Chris@16: // other compilers
Chris@16: #include "boost/ref.hpp"
Chris@16: #include "boost/tuple/detail/tuple_basic.hpp"
Chris@16: 
Chris@16: 
Chris@16: namespace boost {    
Chris@16: 
Chris@16: using tuples::tuple;
Chris@16: using tuples::make_tuple;
Chris@16: using tuples::tie;
Chris@16: #if !defined(BOOST_NO_USING_TEMPLATE)
Chris@16: using tuples::get;
Chris@101: #else
Chris@16: //
Chris@16: // The "using tuples::get" statement causes the
Chris@16: // Borland compiler to ICE, use forwarding
Chris@16: // functions instead:
Chris@16: //
Chris@16: template<int N, class HT, class TT>
Chris@16: inline typename tuples::access_traits<
Chris@16:                   typename tuples::element<N, tuples::cons<HT, TT> >::type
Chris@16:                 >::non_const_type
Chris@16: get(tuples::cons<HT, TT>& c) {
Chris@16:   return tuples::get<N,HT,TT>(c);
Chris@16: } 
Chris@16: // get function for const cons-lists, returns a const reference to
Chris@16: // the element. If the element is a reference, returns the reference
Chris@16: // as such (that is, can return a non-const reference)
Chris@16: template<int N, class HT, class TT>
Chris@16: inline typename tuples::access_traits<
Chris@16:                   typename tuples::element<N, tuples::cons<HT, TT> >::type
Chris@16:                 >::const_type
Chris@16: get(const tuples::cons<HT, TT>& c) {
Chris@16:   return tuples::get<N,HT,TT>(c);
Chris@16: }
Chris@16: 
Chris@16: #endif // BOOST_NO_USING_TEMPLATE
Chris@16:    
Chris@16: } // end namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_TUPLE_HPP