Updated boost to v1.55.0

[rsem.git] / boost / fusion / support / detail / mpl_iterator_category.hpp

diff --git a/boost/fusion/support/detail/mpl_iterator_category.hpp b/boost/fusion/support/detail/mpl_iterator_category.hpp
new file mode 100644 (file)
index 0000000..fcb00a0
--- /dev/null
+++ b/boost/fusion/support/detail/mpl_iterator_category.hpp
@@ -0,0 +1,66 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying 
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#if !defined(FUSION_MPL_ITERATOR_CATEGORY_07212005_0923)
+#define FUSION_MPL_ITERATOR_CATEGORY_07212005_0923
+
+namespace boost { namespace mpl 
+{
+    struct forward_iterator_tag;
+    struct bidirectional_iterator_tag;
+    struct random_access_iterator_tag;
+}}
+
+namespace boost { namespace fusion
+{
+    struct forward_traversal_tag;
+    struct bidirectional_traversal_tag;
+    struct random_access_traversal_tag;
+}}
+
+namespace boost { namespace fusion { namespace detail
+{
+    template <typename Category>
+    struct mpl_iterator_category;
+    
+    template <>
+    struct mpl_iterator_category<mpl::forward_iterator_tag>
+    {
+        typedef forward_traversal_tag type;
+    };
+
+    template <>
+    struct mpl_iterator_category<mpl::bidirectional_iterator_tag>
+    {
+        typedef bidirectional_traversal_tag type;
+    };
+
+    template <>
+    struct mpl_iterator_category<mpl::random_access_iterator_tag>
+    {
+        typedef random_access_traversal_tag type;
+    };
+
+    template <>
+    struct mpl_iterator_category<forward_traversal_tag>
+    {
+        typedef forward_traversal_tag type;
+    };
+
+    template <>
+    struct mpl_iterator_category<bidirectional_traversal_tag>
+    {
+        typedef bidirectional_traversal_tag type;
+    };
+
+    template <>
+    struct mpl_iterator_category<random_access_traversal_tag>
+    {
+        typedef random_access_traversal_tag type;
+    };
+}}}
+
+#endif