head	1.2;
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	pkgsrc-2013Q2:1.2.0.4
	pkgsrc-2013Q2-base:1.2
	pkgsrc-2012Q4:1.2.0.2
	pkgsrc-2012Q4-base:1.2
	pkgsrc-2012Q3:1.1.0.2
	pkgsrc-2012Q3-base:1.1;
locks; strict;
comment	@// @;


1.2
date	2012.11.20.14.57.52;	author adam;	state dead;
branches;
next	1.1;

1.1
date	2012.08.31.12.20.56;	author adam;	state Exp;
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next	;


desc
@@


1.2
log
@This patch is not needed any more
@
text
@$NetBSD: patch-boost_functional_hash_hash.hpp,v 1.1 2012/08/31 12:20:56 adam Exp $

Allow hashing enums.

--- boost/functional/hash/hash.hpp.orig	2012-07-15 23:28:30.000000000 +0000
+++ boost/functional/hash/hash.hpp
@@@@ -15,6 +15,8 @@@@
 #include <boost/functional/hash/detail/hash_float.hpp>
 #include <string>
 #include <boost/limits.hpp>
+#include <boost/type_traits/is_enum.hpp>
+#include <boost/utility/enable_if.hpp>
 
 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
 #include <boost/type_traits/is_pointer.hpp>
@@@@ -90,6 +92,10 @@@@ namespace boost
     template <typename T>
     typename boost::hash_detail::ulong_numbers<T>::type hash_value(T);
 
+    template <typename T>
+    typename boost::enable_if<boost::is_enum<T>, std::size_t>::type
+    	hash_value(T);
+
 #if !BOOST_WORKAROUND(__DMC__, <= 0x848)
     template <class T> std::size_t hash_value(T* const&);
 #else
@@@@ -179,6 +185,13 @@@@ namespace boost
         return hash_detail::hash_value_unsigned(v);
     }
 
+    template <typename T>
+    typename boost::enable_if<boost::is_enum<T>, std::size_t>::type
+    	hash_value(T v)
+    {
+    	return static_cast<std::size_t>(v);
+    }
+
     // Implementation by Alberto Barbati and Dave Harris.
 #if !BOOST_WORKAROUND(__DMC__, <= 0x848)
     template <class T> std::size_t hash_value(T* const& v)
@


1.1
log
@Fix hash_value() issue in boost-1.51.0
@
text
@d1 1
a1 1
$NetBSD$
@