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[lyx.git] / boost / boost / tuple / tuple.hpp

diff --git a/boost/boost/tuple/tuple.hpp b/boost/boost/tuple/tuple.hpp
index bd39730dc130ecde138b9fa611bff0b49056d05a..7703597e10ce1a53abb0ed35bec3d24482941fb9 100644 (file)
--- a/boost/boost/tuple/tuple.hpp
+++ b/boost/boost/tuple/tuple.hpp
@@ -1,15 +1,10 @@
 //  tuple.hpp - Boost Tuple Library --------------------------------------
 
-// Copyright (C) 1999, 2000 Jaakko Järvi (jaakko.jarvi@cs.utu.fi)
+// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
 //
-// Permission to copy, use, sell and distribute this software is granted
-// provided this copyright notice appears in all copies. 
-// Permission to modify the code and to distribute modified code is granted
-// provided this copyright notice appears in all copies, and a notice 
-// that the code was modified is included with the copyright notice.
-//
-// This software is provided "as is" without express or implied warranty, 
-// and with no claim as to its suitability for any purpose.
+// 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
 
@@ -18,6 +13,13 @@
 #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"
 
@@ -27,10 +29,62 @@
 
 #else
 // other compilers
-#include "boost/tuple/reference_wrappers.hpp"
+#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
+#endif // BOOST_TUPLE_HPP