--- map.hpp	Tue Jun 29 13:17:37 2010
+++ patch_map.hpp	Tue Jun 29 13:26:56 2010
@@ -25,7 +25,7 @@
         template< class Map >
         struct select_first
         {
-            typedef BOOST_DEDUCED_TYPENAME Map::value_type pair_t;
+            typedef BOOST_DEDUCED_TYPENAME range_value<Map>::type pair_t;
             typedef const BOOST_DEDUCED_TYPENAME pair_t::first_type& 
                 result_type;  
 
@@ -38,7 +38,7 @@
         template< class Map >
         struct select_second_mutable
         {
-            typedef BOOST_DEDUCED_TYPENAME Map::value_type pair_t;
+            typedef BOOST_DEDUCED_TYPENAME range_value<Map>::type pair_t;
             typedef BOOST_DEDUCED_TYPENAME pair_t::second_type& result_type;  
 
             result_type operator()( pair_t& r ) const
@@ -50,7 +50,7 @@
         template< class Map >
         struct select_second_const
         {
-            typedef BOOST_DEDUCED_TYPENAME Map::value_type pair_t;
+            typedef BOOST_DEDUCED_TYPENAME range_value<Map>::type pair_t;
             typedef const BOOST_DEDUCED_TYPENAME pair_t::second_type& 
                 result_type;