2013-05-26 04:36:44 +00:00
|
|
|
// tuple.hpp - Boost Tuple Library --------------------------------------
|
|
|
|
|
|
|
|
// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
|
|
|
|
//
|
|
|
|
// Distributed under the Boost Software License, Version 1.0. (See
|
|
|
|
// accompanying file LICENSE_1_0.txt or copy at
|
|
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
|
|
|
|
// For more information, see http://www.boost.org
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------
|
|
|
|
|
|
|
|
#ifndef BOOST_TUPLE_HPP
|
|
|
|
#define BOOST_TUPLE_HPP
|
|
|
|
|
|
|
|
#if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730
|
|
|
|
// Work around a compiler bug.
|
|
|
|
// boost::python::tuple has to be seen by the compiler before the
|
|
|
|
// boost::tuple class template.
|
|
|
|
namespace boost { namespace python { class tuple; }}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include "boost/config.hpp"
|
|
|
|
#include "boost/static_assert.hpp"
|
|
|
|
|
|
|
|
#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
|
|
|
|
// The MSVC version
|
|
|
|
#include "boost/tuple/detail/tuple_basic_no_partial_spec.hpp"
|
|
|
|
|
|
|
|
#else
|
|
|
|
// other compilers
|
|
|
|
#include "boost/ref.hpp"
|
|
|
|
#include "boost/tuple/detail/tuple_basic.hpp"
|
|
|
|
|
|
|
|
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
|
|
|
|
|
|
|
namespace boost {
|
|
|
|
|
|
|
|
using tuples::tuple;
|
|
|
|
using tuples::make_tuple;
|
|
|
|
using tuples::tie;
|
|
|
|
#if !defined(BOOST_NO_USING_TEMPLATE)
|
|
|
|
using tuples::get;
|
|
|
|
#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
|
|
|
|
//
|
|
|
|
// The "using tuples::get" statement causes the
|
|
|
|
// Borland compiler to ICE, use forwarding
|
|
|
|
// functions instead:
|
|
|
|
//
|
|
|
|
template<int N, class HT, class TT>
|
|
|
|
inline typename tuples::access_traits<
|
|
|
|
typename tuples::element<N, tuples::cons<HT, TT> >::type
|
|
|
|
>::non_const_type
|
|
|
|
get(tuples::cons<HT, TT>& c) {
|
|
|
|
return tuples::get<N,HT,TT>(c);
|
|
|
|
}
|
|
|
|
// get function for const cons-lists, returns a const reference to
|
|
|
|
// the element. If the element is a reference, returns the reference
|
|
|
|
// as such (that is, can return a non-const reference)
|
|
|
|
template<int N, class HT, class TT>
|
|
|
|
inline typename tuples::access_traits<
|
|
|
|
typename tuples::element<N, tuples::cons<HT, TT> >::type
|
|
|
|
>::const_type
|
|
|
|
get(const tuples::cons<HT, TT>& c) {
|
|
|
|
return tuples::get<N,HT,TT>(c);
|
|
|
|
}
|
|
|
|
#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
|
|
|
//
|
|
|
|
// MSVC, using declarations don't mix with templates well,
|
|
|
|
// so use forwarding functions instead:
|
|
|
|
//
|
|
|
|
template<int N, typename Head, typename Tail>
|
|
|
|
typename tuples::detail::element_ref<N, tuples::cons<Head, Tail> >::RET
|
|
|
|
get(tuples::cons<Head, Tail>& t, tuples::detail::workaround_holder<N>* = 0)
|
|
|
|
{
|
|
|
|
return tuples::detail::get_class<N>::get(t);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<int N, typename Head, typename Tail>
|
|
|
|
typename tuples::detail::element_const_ref<N, tuples::cons<Head, Tail> >::RET
|
|
|
|
get(const tuples::cons<Head, Tail>& t, tuples::detail::workaround_holder<N>* = 0)
|
|
|
|
{
|
|
|
|
return tuples::detail::get_class<N>::get(t);
|
|
|
|
}
|
|
|
|
#endif // BOOST_NO_USING_TEMPLATE
|
|
|
|
|
|
|
|
} // end namespace boost
|
|
|
|
|
|
|
|
|
|
|
|
#endif // BOOST_TUPLE_HPP
|