Ticket #4756: hash.diff

boost/functional/hash/hash.hpp

@@ -24 +24 @@
 #include <boost/type_traits/is_pointer.hpp>
 #endif
 
+#if !defined(BOOST_NO_0X_HDR_TYPEINDEX)
+#include <typeindex>
+#endif
+
 #if BOOST_WORKAROUND(__GNUC__, < 3) \
     && !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
 #define BOOST_HASH_CHAR_TRAITS string_char_traits
@@ -87 +91 @@
     std::size_t hash_value(
         std::basic_string<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch>, A> const&);
 
+#if !defined(BOOST_NO_0X_HDR_TYPEINDEX)
+    std::size_t hash_value(std::type_index const&);
+#endif
+
     // Implementation
 
     namespace hash_detail
@@ -331 +339 @@
         return boost::hash_detail::float_hash_value(v);
     }
 
+#if !defined(BOOST_NO_0X_HDR_TYPEINDEX)
+    inline std::size_t hash_value(std::type_index const& v)
+    {
+        return v.hash_code();
+    }
+#endif
+
+
     //
     // boost::hash
     //
@@ -435 +451 @@
     BOOST_HASH_SPECIALIZE(boost::ulong_long_type)
 #endif
 
+#if !defined(BOOST_NO_0X_HDR_TYPEINDEX)
+    BOOST_HASH_SPECIALIZE_REF(std::type_index)
+#endif
+
 #undef BOOST_HASH_SPECIALIZE
 #undef BOOST_HASH_SPECIALIZE_REF