From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/type_traits/msvc/typeof.hpp | 50 ++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 cutl/details/boost/type_traits/msvc/typeof.hpp

(limited to 'cutl/details/boost/type_traits/msvc/typeof.hpp')

diff --git a/cutl/details/boost/type_traits/msvc/typeof.hpp b/cutl/details/boost/type_traits/msvc/typeof.hpp
new file mode 100644
index 0000000..6e7e270
--- /dev/null
+++ b/cutl/details/boost/type_traits/msvc/typeof.hpp
@@ -0,0 +1,50 @@
+// Copyright (C) 2004 Peder Holt
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_TYPETRAITS_MSVC_TYPEOF_HPP
+#define BOOST_TYPETRAITS_MSVC_TYPEOF_HPP
+
+#include <cutl/details/boost/config.hpp>
+#include <cutl/details/boost/detail/workaround.hpp>
+
+namespace cutl_details_boost { namespace detail {
+# if BOOST_WORKAROUND(BOOST_MSVC,==1300)
+        template<typename ID>
+        struct msvc_extract_type
+        {
+            template<bool>
+            struct id2type_impl;
+
+            typedef id2type_impl<true> id2type;
+        };
+
+        template<typename T, typename ID>
+        struct msvc_register_type : msvc_extract_type<ID>
+        {
+            template<>
+            struct id2type_impl<true>  //VC7.0 specific bugfeature
+            {
+                typedef T type;
+            };
+        };
+# else 
+        template<typename ID>
+        struct msvc_extract_type
+        {
+            struct id2type;
+        };
+
+        template<typename T, typename ID>
+        struct msvc_register_type : msvc_extract_type<ID>
+        {
+            typedef msvc_extract_type<ID> base_type;
+            struct base_type::id2type // This uses nice VC6.5 and VC7.1 bugfeature
+            {
+                typedef T type;
+            };
+        };
+# endif
+}}
+
+#endif //BOOST_TYPETRAITS_MSVC_TYPEOF_IMPL_HPP
-- 
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