Index: tuple.hpp
===================================================================
RCS file: /cvsroot/boost/boost/boost/tuple/tuple.hpp,v
retrieving revision 1.7
diff -c -r1.7 tuple.hpp
*** tuple.hpp	27 Jul 2004 03:43:32 -0000	1.7
--- tuple.hpp	30 Mar 2006 20:19:01 -0000
***************
*** 87,90 ****
--- 87,144 ----
  } // end namespace boost
  
  
+ // Swap
+ namespace boost { namespace tuples { namespace detail {
+ 
+ #if defined(__GNUC__)
+ 
+ template<typename Type>
+ inline void swap_tuples(Type const& left, Type const& right)
+ {
+     using std::swap;
+     swap(const_cast<Type&>(left).get_head(),
+         const_cast<Type&>(right).get_head());
+     swap_tuples(left.get_tail(), right.get_tail());
+ }
+ 
+ template<>
+ inline void swap_tuples<null_type>(null_type const&, null_type const&)
+ {
+ }
+ 
+ #else // defined(__GNUC__)
+ 
+ template<typename Type>
+ inline void swap_tuples(Type& left, Type& right)
+ {
+     using std::swap;
+     swap(left.get_head(), right.get_head());
+     swap_tuples(left.get_tail(), right.get_tail());
+ }
+ 
+ template<>
+ inline void swap_tuples<null_type>(null_type&, null_type&)
+ {
+ }
+ 
+ #endif
+ 
+ } } } // namespace boost::tuples::detail
+ 
+ #if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
+ 
+ namespace boost { namespace tuples {
+ 
+ template<typename T0, typename T1, typename T2, typename T3, typename T4,
+     typename T5, typename T6, typename T7, typename T8, typename T9>
+ inline void swap(tuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>& left,
+     tuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>& right)
+ {
+     detail::swap_tuples(left, right);
+ }
+ 
+ } } // namespace boost::tuples
+ 
+ #endif // !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
+ 
  #endif // BOOST_TUPLE_HPP