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[ceph.git] / ceph / src / boost / boost / detail / reference_content.hpp

diff --git a/ceph/src/boost/boost/detail/reference_content.hpp b/ceph/src/boost/boost/detail/reference_content.hpp
index 36b80d244ecbe82fa165c01ab75583cf830bdaf8..c93ea6fdd01cea3bea1059a12105204b0fd7e5f4 100644 (file)
--- a/ceph/src/boost/boost/detail/reference_content.hpp
+++ b/ceph/src/boost/boost/detail/reference_content.hpp
@@ -15,15 +15,15 @@
 
 #include "boost/config.hpp"
 
-#   include "boost/mpl/bool.hpp"
+#   include "boost/type_traits/integral_constant.hpp"
 #   include "boost/type_traits/has_nothrow_copy.hpp"
 
-#include "boost/mpl/void.hpp"
-
 namespace boost {
 
 namespace detail {
 
+struct void_type {};
+
 ///////////////////////////////////////////////////////////////////////////////
 // (detail) class template reference_content
 //
@@ -71,7 +71,7 @@ public: // queries
 // Wraps with reference_content if specified type is reference.
 //
 
-template <typename T = mpl::void_> struct make_reference_content;
+template <typename T = void_type> struct make_reference_content;
 
 
 template <typename T>
@@ -88,7 +88,7 @@ struct make_reference_content< T& >
 
 
 template <>
-struct make_reference_content< mpl::void_ >
+struct make_reference_content< void_type >
 {
     template <typename T>
     struct apply
@@ -96,7 +96,7 @@ struct make_reference_content< mpl::void_ >
     {
     };
 
-    typedef mpl::void_ type;
+    typedef void_type type;
 };
 
 } // namespace detail
@@ -110,7 +110,7 @@ template <typename T>
 struct has_nothrow_copy<
       ::boost::detail::reference_content< T& >
     >
-    : mpl::true_
+    : boost::true_type
 {
 };