Index: boost/spirit/home/qi/auxiliary/attr_cast.hpp
===================================================================
--- boost/spirit/home/qi/auxiliary/attr_cast.hpp	(revision 84235)
+++ boost/spirit/home/qi/auxiliary/attr_cast.hpp	(working copy)
@@ -142,4 +142,14 @@
 
 }}}
 
+namespace boost { namespace spirit { namespace traits
+{
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Exposed, typename Transformed, typename Subject, typename Attribute
+        , typename Context, typename Iterator>
+    struct handles_container<qi::attr_cast_parser<Exposed, Transformed, Subject>, Attribute
+        , Context, Iterator>
+      : traits::is_container<Exposed> {};
+}}}
+
 #endif
Index: boost/spirit/home/qi/directive/as.hpp
===================================================================
--- boost/spirit/home/qi/directive/as.hpp	(revision 84235)
+++ boost/spirit/home/qi/directive/as.hpp	(working copy)
@@ -172,7 +172,7 @@
         , typename Context, typename Iterator>
     struct handles_container<qi::as_directive<Subject, T>, Attribute
         , Context, Iterator>
-      : mpl::false_ {};
+      : traits::is_container<T> {};
 }}}
 
 #endif